CN105872698B - Playing method, playing system and virtual reality terminal - Google Patents
Playing method, playing system and virtual reality terminal Download PDFInfo
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- CN105872698B CN105872698B CN201610200117.3A CN201610200117A CN105872698B CN 105872698 B CN105872698 B CN 105872698B CN 201610200117 A CN201610200117 A CN 201610200117A CN 105872698 B CN105872698 B CN 105872698B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0346—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/167—Synchronising or controlling image signals
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- User Interface Of Digital Computer (AREA)
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Abstract
The present invention provides a kind of playback method, play system and virtual reality terminals, wherein playback method includes: when user wears virtual reality terminal, and whether detection virtual reality terminal is kept in motion；When detecting that virtual reality terminal is kept in motion, the acceleration information of virtual reality terminal is acquired according to default frequency acquisition；The frame frequency of video information to be played is adjusted, according to acceleration information to be supplied to user's synchronization video information；Synchronization video information is shown in the vision coverage area of virtual reality terminal.According to the technical solution of the present invention, the consistency for realizing the rhythm and user action rhythm that play video, facilitates imitation of the user to acting in video, improves the learning efficiency of user, improve the usage experience of user.
Description
Technical field
The present invention relates to field of terminal technology, in particular to a kind of playback method, a kind of play system and a kind of void
Quasi- non-real end.
Background technique
With the development of virtual reality technology, virtual reality terminal is also received by more and more users, due to wearing
After virtual reality terminal, user can be immersed in a virtual synthetic environment, be protected from the external world and bothered, therefore virtual existing
Real terminal has also gradually been applied in video teaching, especially the teaching of movement class, such as in Dancing Teaching.
In the related art, for usual instructional video after the completion of recording, it is determining for playing frame frequency, although user passes through void
Focus can be improved in quasi- non-real end viewing instructional video, but due to the level of learning of user difference, some users because
Movement in video is too fast and can not keep up with teaching process, and also some users then feel teaching because the movement in video is relatively slow
Video utilization rate is not high, so that the utilization rate of instructional video is influenced, in addition, the teaching visual angle in instructional video is usually constant
, user can only watch instructional video from single angle, also be unfavorable for study of the user for standard operation.
Therefore, a kind of new virtual reality terminal and corresponding broadcasting scheme how to be designed to be supplied to user's synchronization video
Information becomes technical problem urgently to be resolved.
Summary of the invention
The present invention is based at least one above-mentioned technical problem, propose a kind of playback method, a kind of play system and
A kind of virtual reality terminal acquires acceleration information by using the accelerometer for being set to virtual reality terminal, and according to adding
Velocity information adjusts the frame frequency of video information to be played, to be supplied to user's synchronization video information, realizes and plays video
The consistency of rhythm and user action rhythm facilitates imitation of the user to acting in video, improves the learning efficiency of user,
Improve the usage experience of user.
In view of this, first aspect of the present invention it is proposed a kind of playback method, comprising: wear virtual reality in user
When terminal, whether detection virtual reality terminal is kept in motion；When detecting that virtual reality terminal is kept in motion, root
According to the acceleration information of default frequency acquisition acquisition virtual reality terminal；Video information to be played is adjusted according to acceleration information
Frame frequency, to be supplied to user's synchronization video information；Synchronization video information is shown in the vision coverage area of virtual reality terminal.
In the technical scheme, by be set to virtual reality terminal accelerometer acquire acceleration information, and according to
Acceleration information adjusts the frame frequency of video information to be played, to be supplied to user's synchronization video information, realizes broadcasting video
Rhythm and user action rhythm consistency, facilitate imitation of the user to acting in video, improve user study effect
Rate improves the usage experience of user.
Virtual reality terminal is based on virtual reality technology and plays video information, and virtual reality technology creates one using computer
A Virtual Space is able to use family using virtual reality terminal and is immersed in a virtual synthetic environment completely, utilized simultaneously
Binocular Vision Principle makes user can see three-dimensional video information.
Specifically, accelerometer is used to acquire the acceleration information of virtual reality terminal, the acceleration generated including movement
The acceleration information that information and rotary motion generate, generates after collected acceleration information is handled by processor and uses
In the frame frequency for playing video information to be played, after video information to be played is decoded, played out using the frame frequency,
The movement of the video image that user can be made to see and user itself is consistent, and facilitates user to the mould acted in video
It is imitative, improve the quality of instruction and efficiency of teaching of video teaching.
In addition, frame frequency refers to the frame or amount of images of projection each second or display, for display, frame frequency is higher, depending on
Frequency information play it is more smooth, but for virtual reality terminal, due to the influence of processor and display, at present there is also
The problem of retardation rate, so-called retardation rate refer to virtual reality terminal and user's head movement matching degree, including inter-frame delay and
Postpone in frame, processing and display time in the picture that inter-frame delay finger portion rotates through between each frame, inter-frame delay is not
It can exceed that 20 milliseconds, when otherwise having apparent smear sense, and postponing to refer to user's head rotation in frame, constitute image frame
Pixel can jump back to origin in each frame end, at this point, user's visual persistence phenomenon can retain the figure of previous frame He this frame
Picture, on the one hand generating motion blur phenomenon to reduce retardation rate can be improved picture refreshing rate, be more than by the setting of picture refreshing rate
50FPS (Frame Per Second, transmission frame number per second), when picture more continuously switches, user's vision system can continue
Information is received, if refresh rate is sufficiently high, reality can be thoroughly can not be identified with virtually in user, on the other hand can reduce sunset glow
(Persistence), but reduction sunset glow is related to the material of display screen, such as LCD screen because backlight principle is used, by additional
Light source projects generate image, are related to the response time, so can not accomplish low sunset glow, and Organic Light Emitting Diode (ORGANIC
LIGHT EMITTING DIODE) display screen belongs to active light emitting display, and each pixel shines, corresponding steps are saved,
Low sunset glow may be implemented, i.e., replace liquid crystal display (LCD, LIQUID CRYSTAL DISPLAY) using OLED display screen,
Retardation rate can be reduced.
In the above-mentioned technical solutions, it is preferable that adjust the frame frequency of video information to be played, according to acceleration information to mention
User's synchronization video information is supplied, specifically includes the following steps: true according to the corresponding relationship of preset frame frequency and acceleration information
Determine the frame frequency of synchronization video information.
In the technical scheme, the corresponding relationship for needing default frame frequency and acceleration information, when video information to be played
When the rhythm of broadcasting needs to be consistent with the rhythm of virtual reality terminal movement, determine that synchronization video is believed by the corresponding relationship
The frame frequency of breath, to be supplied to user's synchronization video information, it is therefore prevented that since video information plays too fast or too slow influence user's
Learning efficiency and learning effect.
Specifically, predetermined acceleration 0.1m/s2When corresponding frame frequency be 80FPS, when virtual reality terminal is collected
Acceleration information is less than 0.1m/s2When, frame frequency can be reduced, for example collected acceleration information is 0.08m/s2When, frame frequency tune
Whole is 64FPS, and when the collected acceleration information of virtual reality terminal is greater than 0.1m/s2When, then frame frequency can be improved, such as
Collected acceleration information is 0.15m/s2When, frame frequency is adjusted to 120FPS, thus ensure that video information play with it is virtual
The synchronization of non-real end movement.
In any of the above-described technical solution, it is preferable that further include: the spatial position change letter of acquisition virtual reality terminal
Breath；The broadcasting visual angle of video information to be played is adjusted according to spatial position change information.
In the technical scheme, the position that virtual reality terminal is acquired by being set to the gyroscope of virtual reality terminal becomes
Change information, and determine the broadcasting visual angle of video information to be played according to change in location information, realizing user can be to video
Information carries out the observation of multi-angle, allows the rotation angle at the broadcasting visual angle and virtual reality terminal of video information to be played
It is consistent, improves the usage experience of user.
Specifically, gyroscope can acquire the angular velocity information moved along an axis or several axis, according to collected angle
Velocity information determines the motion state of virtual reality terminal, so that it is determined that the change in location information of virtual reality terminal, passes through place
Reason device generate the corresponding broadcasting visual angle adjustment information of the change in location information so that the broadcasting visual angle of video information to be played with
The rotation of virtual reality terminal and change, so as to realize user in video movement carry out 360 ° observation.
In any of the above-described technical solution, it is preferable that default frequency acquisition is greater than or equal to 20 milliseconds.
In the technical scheme, general to require since acquiring acceleration information to processor in order to guarantee to show quality
Determine that frame frequency is no more than 20 milliseconds according to acceleration information, in order to enable synchronization video information to be normally displayed in virtual reality end
The vision coverage area at end needs for frequency acquisition to be preset as the value more than or equal to 20 milliseconds.
According to the second aspect of the invention, it is also proposed that a kind of play system, comprising: detection unit, for wearing in user
When wearing virtual reality terminal, whether detection virtual reality terminal is kept in motion；Acquisition unit, for detecting virtually now
When real terminal is kept in motion, the acceleration information of virtual reality terminal is acquired according to default frequency acquisition；The first adjustment list
Member, for adjusting the frame frequency of video information to be played according to acceleration information, to be supplied to user's synchronization video information；Display
Unit, for synchronization video information to be shown in the vision coverage area of virtual reality terminal.
In the technical scheme, acceleration information is acquired by using the accelerometer for being set to virtual reality terminal, and
The frame frequency of video information to be played is adjusted according to acceleration information, to be supplied to user's synchronization video information, realizes broadcasting
The rhythm of video and the consistency of user action rhythm, facilitate imitation of the user to acting in video, improve user
Efficiency is practised, the usage experience of user is improved.
Virtual reality terminal is based on virtual reality technology and plays video information, and virtual reality technology creates one using computer
A Virtual Space is able to use family using virtual reality terminal and is immersed in a virtual synthetic environment completely, utilized simultaneously
Binocular Vision Principle makes user can see three-dimensional video information.
Specifically, the acceleration information of accelerometer acquisition virtual reality terminal, the acceleration information generated including movement
The acceleration information generated with rotary motion generates after being handled collected acceleration information by processor and is used to broadcast
The frame frequency for putting video information to be played after being decoded video information to be played, is played out using the frame frequency, so that it may
So that the movement for the video image and user itself that user sees is consistent, imitation of the user to acting in video is facilitated,
Improve the quality of instruction and efficiency of teaching of video teaching.
In addition, frame frequency refers to the frame or amount of images of projection each second or display, for display, frame frequency is higher, depending on
Frequency information play it is more smooth, but for virtual reality terminal, due to the influence of processor and display, at present there is also
The problem of retardation rate, so-called retardation rate refer to virtual reality terminal and user's head movement matching degree, including inter-frame delay and
Postpone in frame, processing and display time in the picture that inter-frame delay finger portion rotates through between each frame, inter-frame delay is not
It can exceed that 20 milliseconds, when otherwise having apparent smear sense, and postponing to refer to user's head rotation in frame, constitute image frame
Pixel can jump back to origin in each frame end, at this point, user's visual persistence phenomenon can retain the figure of previous frame He this frame
Picture, on the one hand generating motion blur phenomenon to reduce retardation rate can be improved picture refreshing rate, be more than by the setting of picture refreshing rate
50FPS (Frame Per Second, transmission frame number per second), when picture more continuously switches, user's vision system can continue
Information is received, if refresh rate is sufficiently high, reality can be thoroughly can not be identified with virtually in user, on the other hand can reduce sunset glow
(Persistence), but reduction sunset glow is related to the material of display screen, such as LCD screen because backlight principle is used, by additional
Light source projects generate image, are related to the response time, so can not accomplish low sunset glow, and Organic Light Emitting Diode (ORGANIC
LIGHT EMITTING DIODE) display screen belongs to active light emitting display, and each pixel shines, corresponding steps are saved,
Low sunset glow may be implemented, i.e., replace liquid crystal display (LCD, LIQUID CRYSTAL DISPLAY) using OLED display screen,
Retardation rate can be reduced.
In the above-mentioned technical solutions, it is preferable that the first adjustment unit further include: determination unit, for according to preset frame
Frequency determines the frame frequency of synchronization video information with the corresponding relationship of acceleration information.
In the technical scheme, the corresponding relationship for needing default frame frequency and acceleration information, when video information to be played
When the rhythm that the rhythm of broadcasting needs virtual reality terminal to move is consistent, synchronization video information is determined by the corresponding relationship
Frame frequency, to be supplied to user's synchronization video information, it is therefore prevented that due to video information play it is too fast or too slow influence user
Practise efficiency and learning effect.
Specifically, predetermined acceleration 0.1m/s2When corresponding frame frequency be 80FPS, when virtual reality terminal is collected
Acceleration information is less than 0.1m/s2When, frame frequency can be reduced, for example collected acceleration information is 0.08m/s2When, frame frequency tune
Whole is 64FPS, and when the collected acceleration information of virtual reality terminal is greater than 0.1m/s2When, then frame frequency can be improved, such as
Collected acceleration information is 0.15m/s2When, frame frequency is adjusted to 120FPS, thus ensure that video information play with it is virtual
The synchronization of non-real end movement.
In any of the above-described technical solution, it is preferable that acquisition unit is also used to: the space bit of acquisition virtual reality terminal
Set change information；Play system further include: second adjustment unit, for adjusting view to be played according to spatial position change information
The broadcasting visual angle of frequency information.
In the technical scheme, the position that virtual reality terminal is acquired by being set to the gyroscope of virtual reality terminal becomes
Change information, and determine the broadcasting visual angle of video information to be played according to change in location information, realizing user can be to video
Information carries out the observation of multi-angle, allows the rotation angle at the broadcasting visual angle and virtual reality terminal of video information to be played
It is consistent, improves the usage experience of user.
Specifically, gyroscope can acquire the angular velocity information moved along an axis or several axis, according to collected angle
Velocity information determines the motion state of virtual reality terminal, so that it is determined that the change in location information of virtual reality terminal, passes through place
Reason device generate the corresponding broadcasting visual angle adjustment information of the change in location information so that the broadcasting visual angle of video information to be played with
The rotation of virtual reality terminal and change, so as to realize user in video movement carry out 360 ° observation.
In any of the above-described technical solution, it is preferable that default frequency acquisition is greater than or equal to 20 milliseconds.
In the technical scheme, general to require since acquiring acceleration information to processor in order to guarantee to show quality
Determine that frame frequency is no more than 20 milliseconds according to acceleration information, in order to enable synchronization video information to be normally displayed in virtual reality end
The vision coverage area at end needs for frequency acquisition to be preset as the value more than or equal to 20 milliseconds.
The invention also provides a kind of virtual reality terminals, comprising:
Accelerometer, for acquiring the acceleration information of virtual reality terminal；
Processor is connect with accelerometer, for adjusting the frame frequency of video information to be played according to acceleration information, with
It is supplied to user's synchronization video information；
Display is connect with processor, for synchronization video information to be shown in the vision coverage area of virtual reality terminal.
In the technical scheme, acceleration information is acquired by using the accelerometer for being set to virtual reality terminal, and
The frame frequency of video information to be played is adjusted according to acceleration information, to be supplied to user's synchronization video information, realizes broadcasting
The rhythm of video and the consistency of user action rhythm, facilitate imitation of the user to acting in video, improve user
Efficiency is practised, the usage experience of user is improved.
Virtual reality terminal is based on virtual reality technology and plays video information, and virtual reality technology creates one using computer
A Virtual Space is able to use family using virtual reality terminal and is immersed in a virtual synthetic environment completely, utilized simultaneously
Binocular Vision Principle makes user can see three-dimensional video information.Wherein, accelerometer further includes acceleration transducer, is such as pressed
Electric-type acceleration transducer and/or piezoresistance type acceleration sensor.
Specifically, accelerometer is used to acquire the acceleration information of virtual reality terminal, the acceleration generated including movement
The acceleration information that information and rotary motion generate, generates after collected acceleration information is handled by processor and uses
In the frame frequency for playing video information to be played, after video information to be played is decoded, played out using the frame frequency,
The movement of the video image that user can be made to see and user itself is consistent, and facilitates user to the mould acted in video
It is imitative, improve the quality of instruction and efficiency of teaching of video teaching.
In addition, frame frequency refers to the frame or amount of images of projection each second or display, for display, frame frequency is higher, depending on
Frequency information play it is more smooth, but for virtual reality terminal, due to the influence of processor and display, at present there is also
The problem of retardation rate, so-called retardation rate refer to virtual reality terminal and user's head movement matching degree, including inter-frame delay and
Postpone in frame, processing and display time in the picture that inter-frame delay finger portion rotates through between each frame, inter-frame delay is not
It can exceed that 20 milliseconds, when otherwise having apparent smear sense, and postponing to refer to user's head rotation in frame, constitute image frame
Pixel can jump back to origin in each frame end, at this point, user's visual persistence phenomenon can retain the figure of previous frame He this frame
Picture generates motion blur phenomenon.In order to reduce retardation rate, experience of the user to virtual reality terminal device is promoted, on the one hand can be mentioned
Picture refreshing rate is arranged more than 50FPS (Frame Per Second, transmission frame number per second), works as picture by high picture refreshing rate
When more continuously switching, user's vision system can continue to receive information, if refresh rate is sufficiently high, user can thoroughly be can not be identified
On the other hand reality can also use the method for reducing the sunset glow (Persistence) of display screen with virtually, but reduce sunset glow and relate to
And the material to display screen, for example LCD screen is because use backlight principle, is projected by additional light source and generate image, be related to ringing
Between seasonable, so can not accomplish low sunset glow, and Organic Light Emitting Diode (ORGANIC LIGHT EMITTING DIODE) is shown
Screen belongs to active light emitting display, and each pixel shines, saves corresponding steps, low sunset glow may be implemented, that is, uses OLED
Display screen replaces liquid crystal display (LCD, LIQUID CRYSTAL DISPLAY), can also reduce retardation rate, that is, uses OLED
Display screen replaces liquid crystal display (LCD, LIQUID CRYSTAL DISPLAY), can also reduce retardation rate.
In the above-mentioned technical solutions, it is preferable that accelerometer further include: gyroscope, for acquiring virtual reality terminal
Spatial position change information；Processor is also used to: the broadcasting of video information to be played is adjusted according to spatial position change information
Visual angle.
In the technical scheme, the position that virtual reality terminal is acquired by being set to the gyroscope of virtual reality terminal becomes
Change information, and determine the broadcasting visual angle of video information to be played according to change in location information, allows user to video information
The observation for carrying out multi-angle realizes the rotation angle holding for playing visual angle and virtual reality terminal of video information to be played
Unanimously, the usage experience of user is improved.
Specifically, gyroscope can acquire the angular velocity information moved along an axis or several axis, according to collected angle
Velocity information determines the motion state of virtual reality terminal, so that it is determined that the change in location information of virtual reality terminal, passes through place
Reason device generate the corresponding broadcasting visual angle adjustment information of the change in location information so that the broadcasting visual angle of video information to be played with
The rotation of virtual reality terminal and change, so as to realize user in video movement carry out 360 ° observation.
By above technical scheme, the accelerometer by being set to virtual reality terminal acquires acceleration information, and root
The frame frequency of video information to be played is adjusted according to acceleration information, to be supplied to user's synchronization video information, realizes broadcasting view
The rhythm of frequency and the consistency of user action rhythm, facilitate imitation of the user to acting in video, improve the study of user
Efficiency improves the usage experience of user.
Detailed description of the invention
Fig. 1 shows the schematic flow diagram of playback method according to an embodiment of the invention；
Fig. 2 shows the schematic block diagrams of the play system of embodiment according to the present invention；
Fig. 3 shows the schematic block diagram of the virtual reality terminal of embodiment according to the present invention；
Fig. 4 shows the schematic flow diagram of playback method according to another embodiment of the invention.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Fig. 1 shows the schematic flow diagram of playback method according to an embodiment of the invention
As shown in Figure 1, playback method according to an embodiment of the invention, comprising: step 102, worn in user empty
When quasi- non-real end, whether detection virtual reality terminal is kept in motion；Step 104, it is detecting at virtual reality terminal
When motion state, the acceleration information of virtual reality terminal is acquired according to default frequency acquisition；Step 106, according to acceleration
Information adjusts the frame frequency of video information to be played, to be supplied to user's synchronization video information；Step 108, synchronization video is believed
Breath is shown in the vision coverage area of virtual reality terminal.
In the technical scheme, by be set to virtual reality terminal accelerometer acquire acceleration information, and according to
Acceleration information adjusts the frame frequency of video information to be played, to be supplied to user's synchronization video information, realizes broadcasting video
Rhythm and user action rhythm consistency, facilitate imitation of the user to acting in video, improve user study effect
Rate improves the usage experience of user.
Virtual reality terminal is based on virtual reality technology and plays video information, and virtual reality technology creates one using computer
A Virtual Space is able to use family using virtual reality terminal and is immersed in a virtual synthetic environment completely, utilized simultaneously
Binocular Vision Principle makes user can see three-dimensional video information.
Specifically, accelerometer is used to acquire the acceleration information of virtual reality terminal, the acceleration generated including movement
The acceleration information that information and rotary motion generate, generates after collected acceleration information is handled by processor and uses
In the frame frequency for playing video information to be played, after video information to be played is decoded, played out using the frame frequency,
The movement of the video image that user can be made to see and user itself is consistent, and facilitates user to the mould acted in video
It is imitative, improve the quality of instruction and efficiency of teaching of video teaching.
In addition, frame frequency refers to the frame or amount of images of projection each second or display, for display, frame frequency is higher, depending on
Frequency information play it is more smooth, but for virtual reality terminal, due to the influence of processor and display, at present there is also
The problem of retardation rate, so-called retardation rate refer to virtual reality terminal and user's head movement matching degree, including inter-frame delay and
Postpone in frame, processing and display time in the picture that inter-frame delay finger portion rotates through between each frame, inter-frame delay is not
It can exceed that 20 milliseconds, when otherwise having apparent smear sense, and postponing to refer to user's head rotation in frame, constitute image frame
Pixel can jump back to origin in each frame end, at this point, user's visual persistence phenomenon can retain the figure of previous frame He this frame
Picture, on the one hand generating motion blur phenomenon to reduce retardation rate can be improved picture refreshing rate, be more than by the setting of picture refreshing rate
50FPS (Frame Per Second, transmission frame number per second), when picture more continuously switches, user's vision system can continue
Information is received, if refresh rate is sufficiently high, reality can be thoroughly can not be identified with virtually in user, on the other hand can reduce sunset glow
(Persistence), but reduction sunset glow is related to the material of display screen, such as LCD screen because backlight principle is used, by additional
Light source projects generate image, are related to the response time, so can not accomplish low sunset glow, and Organic Light Emitting Diode (ORGANIC
LIGHT EMITTING DIODE) display screen belongs to active light emitting display, and each pixel shines, corresponding steps are saved,
Low sunset glow may be implemented, i.e., replace liquid crystal display (LCD, LIQUID CRYSTAL DISPLAY) using OLED display screen,
Retardation rate can be reduced.
In the above-mentioned technical solutions, it is preferable that adjust the frame frequency of video information to be played, according to acceleration information to mention
User's synchronization video information is supplied, specifically includes the following steps: true according to the corresponding relationship of preset frame frequency and acceleration information
Determine the frame frequency of synchronization video information.
In the technical scheme, the corresponding relationship for needing default frame frequency and acceleration information, when video information to be played
When the rhythm that the rhythm of broadcasting needs virtual reality terminal to move is consistent, synchronization video information is determined by the corresponding relationship
Frame frequency, to be supplied to user's synchronization video information, it is therefore prevented that due to video information play it is too fast or too slow influence user
Practise efficiency and learning effect.
Specifically, predetermined acceleration 0.1m/s2When corresponding frame frequency be 80FPS, when virtual reality terminal is collected
Acceleration information is less than 0.1m/s2When, frame frequency can be reduced, for example collected acceleration information is 0.08m/s2When, frame frequency tune
Whole is 64FPS, and when the collected acceleration information of virtual reality terminal is greater than 0.1m/s2When, then frame frequency can be improved, such as
Collected acceleration information is 0.15m/s2When, frame frequency is adjusted to 120FPS, thus ensure that video information play with it is virtual
The synchronization of non-real end movement.
In any of the above-described technical solution, it is preferable that further include: the spatial position change letter of acquisition virtual reality terminal
Breath；The broadcasting visual angle of video information to be played is adjusted according to spatial position change information.
In the technical scheme, the position that virtual reality terminal is acquired by being set to the gyroscope of virtual reality terminal becomes
Change information, and determine the broadcasting visual angle of video information to be played according to change in location information, realizing user can be to video
Information carries out the observation of multi-angle, allows the rotation angle at the broadcasting visual angle and virtual reality terminal of video information to be played
It is consistent, improves the usage experience of user.
Specifically, gyroscope can acquire the angular velocity information moved along an axis or several axis, according to collected angle
Velocity information determines the motion state of virtual reality terminal, so that it is determined that the change in location information of virtual reality terminal, passes through place
Reason device generate the corresponding broadcasting visual angle adjustment information of the change in location information so that the broadcasting visual angle of video information to be played with
The rotation of virtual reality terminal and change, so as to realize user in video movement carry out 360 ° observation.
In any of the above-described technical solution, it is preferable that default frequency acquisition is greater than or equal to 20 milliseconds.
In the technical scheme, general to require since acquiring acceleration information to processor in order to guarantee to show quality
Determine that frame frequency is no more than 20 milliseconds according to acceleration information, in order to enable synchronization video information to be normally displayed in virtual reality end
The vision coverage area at end needs for frequency acquisition to be preset as the value more than or equal to 20 milliseconds.
Fig. 2 shows the schematic block diagrams of the play system of embodiment according to the present invention.
According to the third aspect of the invention we, it is also proposed that a kind of play system 200, comprising: detection unit 202 is used for
When user wears virtual reality terminal, whether detection virtual reality terminal is kept in motion；Acquisition unit 204, for examining
When measuring virtual reality terminal and being kept in motion, the acceleration information of virtual reality terminal is acquired according to default frequency acquisition；
The first adjustment unit 306, it is synchronous to be supplied to user for adjusting the frame frequency of video information to be played according to acceleration information
Video information；Display unit 208, for synchronization video information to be shown in the vision coverage area of virtual reality terminal.
In the technical scheme, by be set to virtual reality terminal accelerometer acquire acceleration information, and according to
Acceleration information adjusts the frame frequency of video information to be played, to be supplied to user's synchronization video information, realizes broadcasting video
Rhythm and user action rhythm consistency, facilitate imitation of the user to acting in video, improve user study effect
Rate improves the usage experience of user.
Virtual reality terminal is based on virtual reality technology and plays video information, and virtual reality technology creates one using computer
A Virtual Space is able to use family using virtual reality terminal and is immersed in a virtual synthetic environment completely, utilized simultaneously
Binocular Vision Principle makes user can see three-dimensional video information.
Specifically, accelerometer is used to acquire the acceleration information of virtual reality terminal, the acceleration generated including movement
The acceleration information that information and rotary motion generate, generates after collected acceleration information is handled by processor and uses
In the frame frequency for playing video information to be played, after video information to be played is decoded, played out using the frame frequency,
The movement of the video image that user can be made to see and user itself is consistent, and facilitates user to the mould acted in video
It is imitative, improve the quality of instruction and efficiency of teaching of video teaching.
In addition, frame frequency refers to the frame or amount of images of projection each second or display, for display, frame frequency is higher, depending on
Frequency information play it is more smooth, but for virtual reality terminal, due to the influence of processor and display, at present there is also
The problem of retardation rate.
So-called retardation rate refers to the matching degree of virtual reality terminal and user's head movement, including prolongs in inter-frame delay and frame
Late, processing and display time in the picture that inter-frame delay finger portion rotates through between each frame, inter-frame delay is no more than
20 milliseconds, when otherwise having apparent smear sense, and postponing to refer to user's head rotation in frame, constitute the pixel of image frame
Origin can be jumped back in each frame end, at this point, user's visual persistence phenomenon can retain the image of previous frame He this frame, generated
On the one hand picture refreshing rate can be improved in order to reduce retardation rate in motion blur phenomenon, picture refreshing rate is arranged more than 50FPS
(Frame Per Second, transmission frame number per second), when picture more continuously switches, user's vision system can continue to receive letter
Breath, if refresh rate is sufficiently high, reality can be thoroughly can not be identified with virtually in user, on the other hand can reduce sunset glow
(Persistence), but reduction sunset glow is related to the material of display screen, such as LCD screen because backlight principle is used, by additional
Light source projects generate image, are related to the response time, so can not accomplish low sunset glow, and Organic Light Emitting Diode (ORGANIC
LIGHT EMITTING DIODE) display screen belongs to active light emitting display, and each pixel shines, corresponding steps are saved,
Low sunset glow may be implemented, i.e., replace liquid crystal display (LCD, LIQUID CRYSTAL DISPLAY) using OLED display screen,
Retardation rate can be reduced.
In the above-mentioned technical solutions, it is preferable that the first adjustment unit 206 further include: display unit 2062, for according to pre-
If frame frequency and the corresponding relationship of acceleration information determine the frame frequency of synchronization video information.
In the technical scheme, the corresponding relationship for needing default frame frequency and acceleration information, when video information to be played
When the rhythm that the rhythm of broadcasting needs virtual reality terminal to move is consistent, synchronization video information is determined by the corresponding relationship
Frame frequency, to be supplied to user's synchronization video information, it is therefore prevented that due to video information play it is too fast or too slow influence user
Practise efficiency and learning effect.
Specifically, predetermined acceleration 0.1m/s2When corresponding frame frequency be 80FPS, when virtual reality terminal is collected
Acceleration information is less than 0.1m/s2When, frame frequency can be reduced, for example collected acceleration information is 0.08m/s2When, frame frequency tune
Whole is 64FPS, and when the collected acceleration information of virtual reality terminal is greater than 0.1m/s2When, then frame frequency can be improved, such as
Collected acceleration information is 0.15m/s2When, frame frequency is adjusted to 120FPS, thus ensure that video information play with it is virtual
The synchronization of non-real end movement.
In any of the above-described technical solution, it is preferable that acquisition unit 204 is also used to: the sky of acquisition virtual reality terminal
Between position change information；Play system further include: second adjustment unit 210, for according to spatial position change information adjustment to
The broadcasting visual angle of the video information of broadcasting.
In the technical scheme, the position that virtual reality terminal is acquired by being set to the gyroscope of virtual reality terminal becomes
Change information, and determine the broadcasting visual angle of video information to be played according to change in location information, realizing user can be to video
Information carries out the observation of multi-angle, allows the rotation angle at the broadcasting visual angle and virtual reality terminal of video information to be played
It is consistent, improves the usage experience of user.
Specifically, gyroscope can acquire the angular velocity information moved along an axis or several axis, according to collected angle
Velocity information determines the motion state of virtual reality terminal, so that it is determined that the change in location information of virtual reality terminal, passes through place
Reason device generate the corresponding broadcasting visual angle adjustment information of the change in location information so that the broadcasting visual angle of video information to be played with
The rotation of virtual reality terminal and change, so as to realize user in video movement carry out 360 ° observation.
In any of the above-described technical solution, it is preferable that default frequency acquisition is greater than or equal to 20 milliseconds.
In the technical scheme, general to require since acquiring acceleration information to processor in order to guarantee to show quality
Determine that frame frequency is no more than 20 milliseconds according to acceleration information, in order to enable synchronization video information to be normally displayed in virtual reality end
The vision coverage area at end needs for frequency acquisition to be preset as the value more than or equal to 20 milliseconds.
Fig. 3 shows the schematic block diagram of the virtual reality terminal of embodiment according to the present invention.
As shown in figure 3, the virtual reality terminal 300 of embodiment according to the present invention, comprising: accelerometer 302, for adopting
Collect the acceleration information of virtual reality terminal；Processor 304, connect with accelerometer, for according to acceleration information adjustment to
The frame frequency of the video information of broadcasting, to be supplied to user's synchronization video information；Display 306, connect with processor, and being used for will be same
Step video information is shown in the vision coverage area of virtual reality terminal.
Acceleration information is acquired by accelerometer, and adjusts the frame of video information to be played according to acceleration information
Frequently, to be supplied to user's synchronization video information, the consistency of the rhythm and user action rhythm that play video is realized, is facilitated
Imitation of the user to acting in video, improves the learning efficiency of user, improves the usage experience of user.
Virtual reality terminal 300 is based on virtual reality technology and plays video information, and virtual reality technology is created using computer
A Virtual Space is made, family is able to use using virtual reality terminal 300 and is immersed in a virtual synthetic environment completely, together
Shi Liyong Binocular Vision Principle, makes user can see three-dimensional video information.Wherein, accelerometer further includes acceleration sensing
Device, such as piezoelectric acceleration transducer and/or piezoresistance type acceleration sensor.
Specifically, accelerometer 302 is used to acquire the acceleration information of virtual reality terminal, the acceleration generated including movement
The acceleration information for spending information and rotary motion generation, after collected acceleration information is handled by processor 304
Generate the frame frequency for playing video information to be played, after video information to be played is decoded, using the frame frequency into
Row plays, so that it may which the movement of the video image for seeing user and user itself is consistent, and facilitates user in video
The imitation of movement improves the quality of instruction and efficiency of teaching of video teaching.
In addition, frame frequency refers to the frame or amount of images of projection each second or display, for display 306, frame frequency is higher,
Video information broadcasting is more smooth, but for virtual reality terminal 300, due to the shadow of processor 304 and display 306
The problem of sound, there is also retardation rates at present, so-called retardation rate refer to the matching journey of virtual reality terminal 300 and user's head movement
Degree, including postpones in inter-frame delay and frame, the processing in the picture that inter-frame delay finger portion rotates through between each frame and aobvious
Show the time, otherwise inter-frame delay has apparent smear sense no more than 20 milliseconds, and delay refers to that user's head turns in frame
When dynamic, the pixel for constituting image frame can jump back to origin in each frame end, at this point, user's visual persistence phenomenon can retain
The image of one frame and this frame, on the one hand generating motion blur phenomenon to reduce retardation rate can be improved picture refreshing rate, by picture
Face refresh rate is arranged more than 50FPS (Frame Per Second, transmission frame number per second), when picture more continuously switches, uses
Family vision system can continue to receive information, if refresh rate is sufficiently high, reality and virtual, another party can be thoroughly can not be identified in user
Face can reduce sunset glow (Persistence), but reduce sunset glow and be related to the material of display screen, such as LCD screen because using back
Light principle is projected by additional light source and generates image, is related to the response time, so can not accomplish low sunset glow, and organic light emission
Diode (ORGANIC LIGHT EMITTING DIODE) display screen belongs to active light emitting display, and each pixel shines,
Corresponding steps are saved, low sunset glow may be implemented, i.e., replace liquid crystal display (LCD, LIQUID using OLED display screen
CRYSTAL DISPLAY), retardation rate can also be reduced.
In the above-mentioned technical solutions, it is preferable that accelerometer 302 further include: gyroscope 3022, for acquiring virtual reality
The spatial position change information of terminal 300；Processor 304 is also used to: view to be played is adjusted according to spatial position change information
The broadcasting visual angle of frequency information.
In the technical scheme, by the change in location information of the acquisition virtual reality terminal 300 of gyroscope 3022, and according to
Change in location information determines the broadcasting visual angle of video information to be played, and user is allow to carry out the sight of multi-angle to video information
It examines, the rotation angle at the broadcasting visual angle and virtual reality terminal 300 that realize video information to be played is consistent, and is improved
The usage experience of user.
Specifically, gyroscope 3022 can acquire the angular velocity information moved along an axis or several axis, according to collecting
Angular velocity information determine the motion state of virtual reality terminal 300, so that it is determined that the change in location information of virtual reality terminal,
The corresponding broadcasting visual angle adjustment information of the change in location information is generated by processor 304, so that video information to be played
It plays visual angle to change with the rotation of virtual reality terminal 300, so as to realize that user carries out the movement in video
360 ° of observations.
Fig. 4 shows the schematic flow diagram of playback method according to an embodiment of the invention.
As shown in figure 4, playback method according to an embodiment of the invention, comprising: step 402, user puts on virtually
Real world devices, and carry out body rotations；Step 404, the sensors such as gyroscope are controlled and carries out data acquisition；Step 406, people is calculated
The angular speed and acceleration of body rotation, and it is transmitted to processor；Step 408, synchronization video information is shown in virtual reality terminal
Vision coverage area；Step 410, processor is handled 3D video according to the angular speed and acceleration that receive；Step 412,
By treated, 3D video is sent to video player.
The acceleration information and change in location information of virtual reality terminal are acquired by accelerometer, and pass through processor root
The frame frequency of video information to be played is adjusted according to acceleration information, and the broadcasting of video information is adjusted according to change in location information
Angle realizes the consistency of the rhythm and user action rhythm that play video, facilitates imitation of the user to acting in video,
The learning efficiency for improving user improves the usage experience of user.
Embodiment according to the present invention further includes but is not limited to following implementation:
In addition to exclusive use virtual reality technology, virtual reality technology and augmented reality can also be combined,
In the environment of true man's teaching, when user faces teacher, user can directly imitate the movement of teacher, and after user turns round
When can not continue to see the movement of teacher, virtual reality can be triggered while gyroscope acquires spatial position change information
The processor of processor and augmented reality, it is raw by being combined by the video information prestored and to the capture of the movement of teacher before
At the projection information after combination and the vision coverage area of user is projected to, is on the one hand set by the highly integrated virtual reality that can simplify
It is standby, directly image is projected on the retina of user by low level laser or light emitting diode, has and does not block view
On the other hand wild feature is combined using true man's teaching and video teaching, can also be improved quality of instruction and learning efficiency.
The technical scheme of the present invention has been explained in detail above with reference to the attached drawings, it is contemplated that how what is proposed in the related technology provides
The technical issues of to user's synchronization video information, the invention proposes a kind of new playback method, play system and virtual realities
Terminal, the accelerometer by being set to virtual reality terminal acquires acceleration information, and is adjusted according to acceleration information wait broadcast
The frame frequency for the video information put realizes the rhythm and user action section for playing video to be supplied to user's synchronization video information
The consistency played facilitates imitation of the user to acting in video, improves the learning efficiency of user, improves the use of user
Experience.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
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| CN106791765A (en) * | 2016-11-29 | 2017-05-31 | 宇龙计算机通信科技(深圳)有限公司 | The changing method of view interface, device and virtual reality device |
| CN106658170A (en) * | 2016-12-20 | 2017-05-10 | 福州瑞芯微电子股份有限公司 | Method and device for reducing virtual reality latency |
| CN106909221B (en) * | 2017-02-21 | 2020-06-02 | 北京小米移动软件有限公司 | Image processing method and device based on VR system |
| CN109698949B (en) * | 2017-10-20 | 2020-08-21 | 腾讯科技（深圳）有限公司 | Video processing method, device and system based on virtual reality scene |
| CN107885331A (en) * | 2017-11-09 | 2018-04-06 | 北京易讯理想科技有限公司 | A kind of exchange method that Audio conversion is realized based on augmented reality |
| CN110709803A (en) * | 2017-11-14 | 2020-01-17 | 深圳市柔宇科技有限公司 | Data processing method and device |
| CN108566519B (en) * | 2018-04-28 | 2022-04-12 | 腾讯科技（深圳）有限公司 | Video production method, device, terminal and storage medium |
| CN108762498A (en) * | 2018-05-22 | 2018-11-06 | 重庆子元科技有限公司 | The virtual reality system of human body walking gesture stability |
| CN109473082A (en) * | 2019-01-08 | 2019-03-15 | 京东方科技集团股份有限公司 | A method, device and virtual reality device for adjusting the refresh rate of a display screen |
| CN109817031B (en) * | 2019-01-15 | 2021-02-05 | 张赛 | A body movement teaching method based on VR technology |
| CN110505501B (en) * | 2019-08-28 | 2021-12-07 | 咪咕视讯科技有限公司 | Information processing method, electronic device, and computer-readable storage medium |
| CN111179694B (en) * | 2019-12-02 | 2022-09-23 | 广东小天才科技有限公司 | Dance teaching interaction method, intelligent sound box and storage medium |
| CN110971963A (en) * | 2019-12-31 | 2020-04-07 | 维沃移动通信有限公司 | Video playback control method, electronic device and storage medium |
| CN113485544B (en) * | 2021-07-20 | 2024-11-05 | 歌尔科技有限公司 | Frame rate adjustment method, system, device and storage medium for augmented reality device |
| CN115146679B (en) * | 2022-07-08 | 2025-04-25 | 江苏奥斯汀光电科技股份有限公司 | An adaptive black insertion display method based on human eye activity for virtual reality |
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| JP2002373420A (en) * | 2001-04-12 | 2002-12-26 | Ricoh Co Ltd | Optical recording method |
| CN102036093B (en) * | 2010-12-27 | 2013-04-17 | Tcl集团股份有限公司 | 3D video play method and system |
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| CN103543831A (en) * | 2013-10-25 | 2014-01-29 | 梁权富 | Head-mounted panoramic player |
| CN104759095A (en) * | 2015-04-24 | 2015-07-08 | 吴展雄 | Virtual reality head wearing display system |
| CN105357585B (en) * | 2015-08-29 | 2019-05-03 | 华为技术有限公司 | Method and device for playing video content at any position and time |
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