CN100481876C - Device for synchronizing video and audio of Kara-OK system - Google Patents
Device for synchronizing video and audio of Kara-OK system Download PDFInfo
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- CN100481876C CN100481876C CNB2004100509380A CN200410050938A CN100481876C CN 100481876 C CN100481876 C CN 100481876C CN B2004100509380 A CNB2004100509380 A CN B2004100509380A CN 200410050938 A CN200410050938 A CN 200410050938A CN 100481876 C CN100481876 C CN 100481876C
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Abstract
The device is composed of following parts: memory of accompaniment data for storing accompaniment data; memory of song data for recording song data; video memory in use for converting song data to image signal of fonts in bit map mode; memory of background image for storing background image; part for generating background image is in use for generating background image; based on accompaniment data of each instrument, a generation part of accompaniment signal in use for generating accompaniment signal; audio synthesis part for synthesizing sound signal from the accompaniment signal and user's sound from microphone and outputting synthesized sound through speaker; command input part in use for inputting number of song or commands for pointing other controlled operation; control part for controlling operation of song data after reading out accompaniment data and synchronized signal, and controlling speed of background image based on rhythm of song.
Description
[technical field]
The application particularly can show background frame, accompaniment and the lyrics of every first song simultaneously about karaoke OK system, is with the video of a first song and the apparatus and method of audio syncization.
[background technology]
Karaoke OK system is just popularized in recent years, and in fact singing-hall is that the center is that its availability of object is also constantly open with other men and women, old and young with youth.So where also can find singing-hall easily and enjoy happy that he brings.
General karaoke OK system as shown in Figure 1.
With reference to Fig. 1, it is to store the accompaniment data memory 20 of a plurality of musical accompaniment data according to digital acoustics (abbreviating MIDI as) specification; The lyrics data memory 22 of the record lyrics; Above-mentioned lyrics data conversion is saved as the video memory 26 that adopts bit-mapped font (bit map font); The captions read-only memory 25 of storage and above-mentioned corresponding bit-mapped font; Memory of background image for storing background image 27; Produce the background video generating unit 28 of background video; Produce the synthetic portion 29 of image that outputs to display 31 after the 2nd signal of video signal combines from the 1st signal of video signal of above-mentioned video memory 26 generation lyrics signals with from above-mentioned background image generating unit 28; Produce the accompaniment signal generator 32 of accompaniment signal according to the accompaniment data of various musical instruments; Will accompaniment signal that above-mentioned accompaniment signal generator 32 produces and by microphone 35 inputs with singer's voice signal synthetic after, by the speech synthesiser 33 of loud speaker 34 outputs; For the order input part 24 of importing the song number or specifying other controls to operate; Playback record is provided to the display action that control lyrics data memory 22 and video memory 26 in the accompaniment signal generator 32 are controlled lyrics data behind the accompaniment data of accompaniment data memory 20, the control part 23 of passing on correct song to begin time point according to opportunity, style and the song characteristics of various songs constitutes.
Illustrate that with reference to Fig. 1 karaoke OK system was as follows in the past.
At first, control part 23 is to seek the song number of importing from order input part 24 to read the musical accompaniment data that are stored in accompaniment data memory 20, by 32 outputs of accompaniment signal generator, accompaniment signal generator 32 produces accompaniment signal and output according to the accompaniment data of various musical instruments.
In addition, control part 23 comes control data memory 22 and video memory 26 by above-mentioned accompaniment data, and then controls data demonstration operation separately.
Simultaneously, the lyrics data from 22 outputs of lyrics data memory is converted into the signal of video signal that has bit-mapped font by video memory 26.
At this moment, the synthetic portion 29 of signal of video signal synthesizes from the 1st signal of video signal of video memory 26 generation lyrics signals and the 2nd signal of video signal that is produced by background video generating unit 28, outputs to display 31.Here, storage was entered after background video can be compressed in the background video storage part 27.
Simultaneously, when producing the accompaniment signal according to the accompaniment data of various musical instruments on the accompaniment signal generator 32, the accompaniment signal of generation and synthetic and output to loud speaker 34 by the voice signal of user's microphone 35 inputs.
And then, control part 23 is controlled the lyrics data that demonstrates according to accompaniment data, and passes on correct beginning time point according to opportunity, style and the characteristics of song.
But, existed on the former karaoke OK system and ignore the song atmosphere or the accompaniment of storing in the background video generating unit, directly show the problem of the image frame of inner background frame or outside.
[summary of the invention]
The application proposes in order to address the above problem, and its purpose is to provide the picture of synchronous each song of demonstration, and the video of the karaoke OK system of song and captions and audio sync makeup are put.
Other purposes of the application are that to read on the accompanying song data literal that inserts in advance synchronous, the beat synchronizing information, and the control literal is synchronous, along with the video and the audio sync makeup of the karaoke OK system of the renewal speed of beat control background video picture are put.
Putting for the video of the karaoke OK system that meets the application that achieves the above object and audio sync makeup is to comprise,
The accompaniment data memory of storage accompaniment data; Memory of song data for recording song data; Above-mentioned lyrics data is converted into the video memory of storing behind the signal of video signal that adopts bit-mapped font (bit map font); The background video memory of storage background video; Produce the background video generating unit of above-mentioned background image; Produce the accompaniment signal generator of accompaniment signal according to the accompaniment data of various musical instruments; Will be from the accompaniment signal of above-mentioned accompaniment signal generator generation with by the speech synthesiser of the synthetic back of the user voice signal of microphone input with loud speaker output; Most death/preservation the portion that exports is handled in most death of background video or preservation form; For the numbering of importing song or the order input part of other actions of specified control; Control part, comprise a decoder, this control part utilizes this decoder to read to be stored in temporal information, the synchronizing information on lyrics starting position in the accompaniment data in the above-mentioned accompaniment data memory, meets the beat synchronizing signal of beat, afterwards, control the demonstration running of above-mentioned lyrics data, and control above-mentioned background image speed according to the rhythm of song.
Above-mentioned control part is the song temporal information of inserting on the accompaniment data to read, song begins synchronizing information, after meeting the beat synchronizing information of beat, begin synchronously according to the control of time of song, and be updated to its feature synchronously according to the beat of beat synchronizing information and background video.
As mentioned above, the application is when along with the speed of accompaniment data lyrics data being shown synchronously, is slow or fast according to the speed of above-mentioned background music with the speed regulation of background frame, make it to meet the melody display frame and the lyrics of music, it is convenient to bring when the abundant use pattern of display mode is provided.
[description of drawings]
Fig. 1 is the lyrics data synchronising apparatus figure of the karaoke OK system of prior art.
Fig. 2 is according to the video of the application's karaoke OK system and audio sync installation drawing.
Fig. 3 is the precedence diagram according to the video of the application's karaoke OK system and audio frequency control method.
[embodiment]
As follows with description of drawings.
Fig. 2 is that the video and the audio sync that meet the application's karaoke OK system are disguised the structure chart of putting.
With reference to Fig. 2, it is to store the accompaniment data memory 120 of accompaniment data; Memory of song data for recording song data 122; Store captions read-only memory 125 with the corresponding bit-mapped font of above-mentioned lyrics data; Above-mentioned lyrics data is converted to the video memory 126 of storing behind the signal of video signal that adopts bit-mapped font; Store the background video storage part 127 of background video; Produce the background video generating unit 128 of above-mentioned background image; The background video most dead (decimation) or (interpoliation) form of preservation are handled the most death/preservation portion 129 that exports; From outputing to the synthetic portion 130 of image of display 131 after the signal of video signal of video memory 126 output and background video mix; Produce the accompaniment signal generator 132 of accompaniment signal according to the accompaniment data of various musical instruments; The accompaniment signal that above-mentioned accompaniment signal generator 132 is produced and output to the speech synthesiser 133 of loud speaker 134 by the user voice signal of microphone 135 inputs after synthetic; For the numbering of importing song or the order input part 124 of other actions of specified control; After accompaniment data memory 120 reads accompaniment data and synchronizing signal, control the demonstration running of above-mentioned lyrics data, and, comprise its characteristics of above formation according to the control part of the rhythm control background video speed of song.
Video and audio sync makeup according to the application's karaoke OK system are put, and are described as follows with reference to Fig. 2.
At first, when the song of making karaoke OK system and image medium, make in the middle of synchronizing symbol is input to background video data, accompaniment data, lyrics data, detect same synchronizing signal during projection, combine projection according to accompaniment and lyrics data background video, when adjusting rhythm in addition according to rhythm tempo, the speed of also convertible background video signal.
For this reason, give each literal input of lyrics data (sync) information synchronously.Also having in accompaniment data with the regular hour is that unit imports temporal information, imports synchronizing signal in the starting position of literal, inserts the synchronizing signal that meets beat simultaneously.In addition, return the background video time and insert temporal information and beat information.
Utilize the song image and the voice data of these synchronizing signal inputs, the running of instruction card karaoke system, as shown in Figure 2, storing the accompaniment data that is equivalent to a plurality of musical instruments that meets the MIDI specification on the accompaniment data memory 120 in advance, control part 123 utilize decoder 123a to read temporal information, the synchronizing information on lyrics starting position that is stored in the above-mentioned accompaniment data, the beat synchronizing signal that meets beat.
In addition, above-mentioned control part 123 is by the synchronizing information on the starting position of above-mentioned lyrics data, in lyrics data memory 122 and video memory 126 output synchronizing informations, control store is in the output of the lyrics data of above-mentioned lyrics data memory 122, and then the beginning of control lyrics data.The lyrics data of above-mentioned output is stored after being converted to the have bit-mapped font signal of video signal of (bit map font) by video memory 126.
Above-mentioned control part 123 is in most death/preservation portion 129 and accompaniment signal generator 132 output beat synchronizing signals (sync).Can store background video on the background video storage part 127, data message and beat synchronizing information are being arranged in the background video,, and read and exporting above-mentioned data message and beat information so background video generating unit 128 produces background video.
At this moment, most death/preservation portion 129 is exported synchronously by beat synchronizing signal and background video, outputs to display 131 behind the background video of the above-mentioned output of image mixing portion 130 mixing and the lyrics signal of above-mentioned video memory 126 outputs.
Above-mentioned control part 123 reads the speed of respective songs etc. from the accompaniment data of reading, formulate computing time when outputing to accompaniment signal generator 132 behind the rhythm.
Above-mentioned accompaniment signal generator produces the accompaniment signal according to the accompaniment data of various musical instruments, and speech synthesiser mixes above-mentioned accompaniment signal and behind the user voice signal of microphone 135 inputs, exports by loud speaker.
Like this, be input to the synchronization that synchronous lyrics signal in the accompaniment data impels lyrics data,, show synchronously simultaneously by the synchronizing information of beat synchronizing signal according to background video.
In addition, during from the rhythm change of order input part 124 input, after control part 123 is confirmed beats, this is outputed to accompaniment signal generator 132 and most death/preservation portion 129 and show synchronously with synchronizing signal.
Above-mentioned control part 123 is along with above-mentioned rhythm (speed) synchronization accompaniment and lyrics data.Simultaneously, above-mentioned most death/preservation portion 129 is according to the accompaniment synchronizing signal, along with the beat synchronizing signal adjustment demonstration of background video.That is, when accompaniment speed is slow, carry out most dead functions, make the demonstration of its background video slack-off; When accompaniment speed is fast, carries out hold function and make its background video show quickening.
So the accompaniment speed of every first song and when being changed because of user's accompaniment speed is controlled the synchronous output lyrics and display background image according to accompaniment speed.
Fig. 3 is the chart according to the audio frequency of the application's karaoke OK system and video synchronization method.
At first, after control part is read accompaniment data in the accompaniment data memory, detect the lyrics and beat synchronizing information S101.S103.
The above-mentioned accompaniment data of reading is shown output, the synchronous lyrics signal of from above-mentioned accompaniment data, reading, and the lyrics signal Synchronization output with the lyrics data memory according to the beat synchronizing information, shows S105.S107 with the background video synchronization.
S109 after the rhythm change situation of confirming song is during the rhythm change, at the suitable control picture display speed of rhythm of change.When promptly Bian Geng rhythm is slow picture speed is changeed slow, the picture speed S111.S113. that the accelerates when rhythm of change is fast
This is the beat synchronization that is inserted into the beat synchronizing informationization of accompaniment data and is inserted into background video, makes it according to rhythm change background video speed.
As an example, according to accompaniment data, the display speed synchronization of the display speed of background frame and lyrics data output can show its standard according to certain beat control, can also bring song different picture display speeds, can adjust display speed according to user's rhythm change again.Also can display speed change pattern be set to a shortcut in addition, when the user needs,, show the display speed of accelerating according to accompaniment speed.
By above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.Therefore, the technical scope of this invention can not be confined to the detailed description on the detailed book; Must determine its technical scope according to the scope of patent application.
Claims (1)
1, the makeup of the video of karaoke OK system and audio sync is put, and comprising:
The accompaniment data memory of storage accompaniment data;
The lyrics data memory of recording musical lyrics data;
Above-mentioned lyrics data is converted to the video memory of storing behind the signal of video signal that adopts bit-mapped font;
Memory of background image for storing background image;
Produce the background video generating unit of above-mentioned background image;
Produce the generating unit of accompaniment signal according to the accompaniment data of various musical instruments;
Accompaniment signal that produces from above-mentioned accompaniment signal generator and the user's by the microphone input the synthetic back of voice signal is by the speech synthesiser of loud speaker output;
Most death/preservation the portion that exports is handled in most death of background video or preservation form;
Import the numbering of each song or for other the order input part of action of specified control;
Control part, comprise a decoder, this control part utilizes this decoder to read to be stored in temporal information, the synchronizing information on lyrics starting position in the accompaniment data in the above-mentioned accompaniment data memory, meets the beat synchronizing signal of beat, afterwards, control the demonstration running of above-mentioned lyrics data, and control above-mentioned background image speed according to the rhythm of song.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100509380A CN100481876C (en) | 2004-07-28 | 2004-07-28 | Device for synchronizing video and audio of Kara-OK system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100509380A CN100481876C (en) | 2004-07-28 | 2004-07-28 | Device for synchronizing video and audio of Kara-OK system |
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| CN1728770A CN1728770A (en) | 2006-02-01 |
| CN100481876C true CN100481876C (en) | 2009-04-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993637A (en) * | 2017-11-03 | 2018-05-04 | 厦门快商通信息技术有限公司 | A kind of karaoke lyrics segmenting method and system |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101212679B (en) * | 2006-12-30 | 2010-04-14 | 凌阳科技股份有限公司 | AV synchronization method and device for switching multi-channel audio stream during playing of AVI file |
| CN102117638A (en) * | 2009-12-30 | 2011-07-06 | 北京华旗随身数码股份有限公司 | Method for outputting video under control of music rhythm and playing device |
| CN102340482A (en) * | 2010-07-21 | 2012-02-01 | 崔信奎 | Karaoke room service system based on network and user terminal using same |
| CN102820027B (en) * | 2012-06-21 | 2014-04-16 | 福建星网视易信息系统有限公司 | Accompaniment subtitle display system and method |
| CN107871012A (en) * | 2017-11-22 | 2018-04-03 | 广州酷狗计算机科技有限公司 | Audio-frequency processing method, device, storage medium and terminal |
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| CN2211635Y (en) * | 1994-04-30 | 1995-11-01 | 池成根 | Karaoke player |
| CN1204813A (en) * | 1997-04-01 | 1999-01-13 | 株式会社第一兴商 | Karaoke system and contents storage medium therefor |
| CN1288235A (en) * | 1999-09-13 | 2001-03-21 | 株式会社第一兴商 | Karaoke system with consumed calorie announcing function |
| CN1326181A (en) * | 2000-05-27 | 2001-12-12 | 株式会社音特技术 | Portable karaoke device |
| WO2002103484A2 (en) * | 2001-06-18 | 2002-12-27 | First International Digital, Inc | Enhanced encoder for synchronizing multimedia files into an audio bit stream |
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2004
- 2004-07-28 CN CNB2004100509380A patent/CN100481876C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2211635Y (en) * | 1994-04-30 | 1995-11-01 | 池成根 | Karaoke player |
| CN1204813A (en) * | 1997-04-01 | 1999-01-13 | 株式会社第一兴商 | Karaoke system and contents storage medium therefor |
| CN1288235A (en) * | 1999-09-13 | 2001-03-21 | 株式会社第一兴商 | Karaoke system with consumed calorie announcing function |
| CN1326181A (en) * | 2000-05-27 | 2001-12-12 | 株式会社音特技术 | Portable karaoke device |
| WO2002103484A2 (en) * | 2001-06-18 | 2002-12-27 | First International Digital, Inc | Enhanced encoder for synchronizing multimedia files into an audio bit stream |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107993637A (en) * | 2017-11-03 | 2018-05-04 | 厦门快商通信息技术有限公司 | A kind of karaoke lyrics segmenting method and system |
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| CN1728770A (en) | 2006-02-01 |
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