JP2015041986A - Communication terminal, quality index retention server, quality index output system, quality index output method, quality index retention method and computer program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a user using IP telephony in a mobile terminal with a decision material in regard to the use of the IP telephony.SOLUTION: A communication terminal includes: an evaluation value acquisition unit for acquiring an evaluation value representing communication quality in a communication path including a radio section; a voice quality acquisition unit for acquiring a voice quality index of the IP telephony on the basis of the acquired evaluation value; and an output unit for outputting the voice quality index in a mode according to the acquired voice quality index.

Description

  The present invention relates to IP telephone technology.

  In recent years, with the spread of highly functional portable terminals such as smartphones, IP (Internet Protocol) telephones are also used in portable terminals (see, for example, Patent Document 1). In the IP phone, by using the IP network, the use efficiency of the line is high and the call charge can be reduced as compared with the conventional line exchange type telephone.

JP 2010-124204 A

However, an IP phone used in a mobile terminal may have poor voice quality in an actual call even if it indicates that the radio wave condition is good at the location where the user is located. When such quality deterioration occurs, there is a problem in that the user who uses the IP phone is uncomfortable.
In view of the above circumstances, an object of the present invention is to provide a technique capable of providing a determination material related to the use of an IP phone to a user who uses the IP phone with a mobile terminal.

  One aspect of the present invention is an evaluation value acquisition unit that acquires an evaluation value that represents communication quality in a communication path including a wireless section, and voice quality that acquires a voice quality index of an IP phone based on the acquired evaluation value A communication terminal comprising: an acquisition unit; and an output unit that outputs the voice quality index in a manner corresponding to the acquired voice quality index.

  One aspect of the present invention is the communication terminal described above, wherein the evaluation value acquisition unit receives a signal transmitted from a base station to thereby improve communication quality in a wireless section between the base station and the base station. The base station communication quality information to be expressed is acquired as the evaluation value.

  One aspect of the present invention is the communication terminal described above, wherein the evaluation value acquisition unit expresses communication quality in a section between the own device and the communication device by transmitting and receiving packets to and from the communication device. Communication quality information between communication devices is acquired as the evaluation value.

  One aspect of the present invention is the communication terminal described above, wherein the evaluation value acquisition unit represents a voice quality index of another communication terminal, and communication quality in a radio section between the other communication terminal and the base station. Communication quality information between communication devices representing communication quality information between base stations or communication quality in a section between another communication terminal and a communication device is acquired from the server as the evaluation value.

  One aspect of the present invention is the communication terminal described above, wherein the evaluation value acquisition unit further represents the communication quality in the wireless section between the own apparatus and the base station from a communication path including the wireless section. The communication quality information or the communication quality information between the communication devices indicating the communication quality in the wireless section between the own device and the communication device is acquired as the evaluation value.

  One aspect of the present invention is the communication terminal described above, wherein the voice quality acquisition unit represents the evaluation value acquired from the server and the communication quality in a radio section between the own apparatus and the base station. A voice quality index is acquired based on the communication quality information between base stations or the communication quality information between communication devices.

  One aspect of the present invention is a receiving unit that receives, for each communication terminal, a voice quality index of an IP telephone or an evaluation value representing communication quality in a communication path including a wireless section, and the received voice quality index or evaluation value And a transmission unit that transmits the voice quality index or evaluation value stored in the storage unit in response to a request from the communication terminal to the communication terminal that is a request source. It is a quality index holding server.

  One aspect of the present invention is a quality index output comprising a communication terminal and a quality index holding server for storing an evaluation value representing the voice quality of an IP telephone for each communication terminal or a communication quality in a communication path including a wireless section. The communication terminal is an evaluation value acquisition unit that acquires the evaluation value, a voice quality acquisition unit that acquires a voice quality index of an IP phone based on the acquired evaluation value, An output unit that outputs the voice quality index in a mode corresponding to the voice quality index, and the quality index holding server receives the voice quality index or the evaluation value for each communication terminal; A storage unit that stores the received voice quality index or evaluation value, and the voice quality index or evaluation value stored in the storage unit in response to a request from the communication terminal is a request source Said A transmission unit for transmitting the signal terminal, a quality index output system comprising a.

  One aspect of the present invention is an evaluation value acquisition step of acquiring an evaluation value representing communication quality in a communication path including a radio section, and voice quality of acquiring an index of voice quality of an IP phone based on the acquired evaluation value A quality index output method comprising: an acquisition step; and an output step of outputting the speech quality index in a manner corresponding to the acquired speech quality index.

  According to one aspect of the present invention, there is provided a reception step of receiving for each communication terminal an evaluation value representing a voice quality index of an IP telephone or a communication quality in a communication path including a wireless section, and the received voice quality index or evaluation value A recording step of storing in the storage unit, and a transmission step of transmitting the voice quality index or evaluation value stored in the storage unit in response to a request from the communication terminal to the communication terminal that is a request source. Is a quality index holding method.

  One aspect of the present invention is a quality index output comprising a communication terminal and a quality index holding server for storing an evaluation value representing the voice quality of an IP telephone for each communication terminal or a communication quality in a communication path including a wireless section. A quality index output method in a system, wherein the communication terminal acquires an evaluation value to acquire the evaluation value, and a voice quality acquisition step to acquire a voice quality index of an IP phone based on the acquired evaluation value And an output step of outputting the voice quality index in a manner corresponding to the acquired voice quality index, wherein the quality index holding server determines the voice quality index or evaluation value for each communication terminal. Receiving step, a recording step for storing the received voice quality index or evaluation value in the storage unit, and the storage unit in response to a request from the communication terminal An index or the evaluation value of the audio quality is 憶, a transmission step of transmitting to the communication terminal which is the request source, a quality index output method with.

  One aspect of the present invention is an evaluation value acquisition step of acquiring an evaluation value representing communication quality in a communication path including a radio section, and voice quality of acquiring an index of voice quality of an IP phone based on the acquired evaluation value A computer program for causing a computer to execute an acquisition step and an output step of outputting the voice quality indicator in a manner corresponding to the acquired voice quality indicator.

  According to one aspect of the present invention, there is provided a reception step of receiving for each communication terminal an evaluation value representing a voice quality index of an IP telephone or a communication quality in a communication path including a wireless section, and the received voice quality index or evaluation value A recording step of storing in the storage unit, and a transmission step of transmitting the voice quality index or evaluation value stored in the storage unit in response to a request from the communication terminal to the communication terminal that is a request source. Is a computer program for causing a computer to execute.

  One aspect of the present invention is a quality index output comprising a communication terminal and a quality index holding server for storing an evaluation value representing the voice quality of an IP telephone for each communication terminal or a communication quality in a communication path including a wireless section. A computer program for operating a first computer corresponding to the communication terminal and a second computer corresponding to the quality index holding server as a system, and obtaining the evaluation value for the first computer An evaluation value acquisition step, a voice quality acquisition step of acquiring a voice quality index of the IP phone based on the acquired evaluation value, and the voice quality index in a mode according to the acquired voice quality index And outputting the voice quality index or evaluation value for each communication terminal to the second computer. A receiving step for receiving, a recording step for storing the received speech quality index or evaluation value in a storage unit, and the speech quality index stored in the storage unit in response to a request from the communication terminal, or And a transmission step of transmitting an evaluation value to the communication terminal which is a request source.

  According to the present invention, it becomes possible to provide a user who uses an IP phone with a mobile terminal to provide a judgment material regarding the use of the IP phone.

It is a schematic block diagram which shows the system configuration | structure of the quality parameter | index output system 100 in 1st Embodiment of this invention. It is a figure which shows the specific example of a quality information table. It is a flowchart which shows the flow of a process of the communication terminal 10 in 1st Embodiment of this invention. It is a schematic block diagram which shows the system configuration | structure of the quality parameter | index output system 100a in 2nd Embodiment of this invention. It is a flowchart which shows the flow of a process of the communication terminal 10a in 2nd Embodiment of this invention. It is a schematic block diagram which shows the system configuration | structure of the quality parameter | index output system 100b in 3rd Embodiment of this invention. It is a sequence diagram which shows the operation | movement of the process of the quality parameter | index output system 100b in 3rd Embodiment of this invention.

Hereinafter, specific configuration examples (first embodiment, second embodiment, and third embodiment) of the present invention will be described with reference to the drawings.
[First Embodiment]
FIG. 1 is a schematic block diagram showing a system configuration of a quality indicator output system 100 according to the first embodiment of the present invention. The quality indicator output system 100 in the first embodiment includes a communication terminal 10 and a base station device 20.
The communication terminal 10 is configured using an information processing device such as a mobile phone, a smartphone, a tablet device, a personal computer, a notebook computer, or a game device. The communication terminal 10 performs wireless communication with the base station device 20. For example, communication (for example, LTE (Long Term Evolution) or 3G (3rd Generation)) according to the standard of the mobile communication system may be used for the wireless communication.
The base station device 20 is a base station device of a mobile communication network. The base station device 20 performs wireless communication with the communication terminal 10.

  Next, a specific functional configuration of the communication terminal 10 will be described. The communication terminal 10 includes a CPU (Central Processing Unit), a memory, an auxiliary storage device, and the like connected by a bus, and executes an audio quality display program. By executing the audio quality display program, the communication terminal 10 functions as an apparatus including the communication unit 101, the evaluation value acquisition unit 102, the quality information storage unit 103, the audio quality acquisition unit 104, the display control unit 105, and the display unit 106. All or some of the functions of the communication terminal 10 may be realized using hardware such as an application specific integrated circuit (ASIC), a programmable logic device (PLD), and a field programmable gate array (FPGA). The audio quality display program may be recorded on a computer-readable recording medium. The computer-readable recording medium is, for example, a portable medium such as a flexible disk, a magneto-optical disk, a ROM, a CD-ROM, or a storage device such as a hard disk built in the computer system. The voice quality display program may be transmitted / received via a telecommunication line.

The communication unit 101 performs wireless communication with the base station device 20. For example, the communication unit 101 receives a signal transmitted from the base station device 20.
The evaluation value acquisition unit 102 acquires an evaluation value representing communication quality in a section between the own device (communication terminal 10) and another device. Specifically, the evaluation value acquisition unit 102 evaluates the inter-base station communication quality information indicating the communication quality in the radio section between the own device and the base station device 20 based on the signal received by the communication unit 101 as the evaluation value. Get as. The evaluation values include, for example, RSRP (Reference Signal Received Power), RSRQ (Reference Signal Received Quality), RSSI (Received Signal Strength Indicator), SINR (Signal to Interference plus Noise Power Ratio), CQI (Channel Quality Indicator), UL ( Up Link Interference), link speed, S / N ratio (Signal to Noise ratio), etc. are used.

  The quality information storage unit 103 is configured using a storage device such as a magnetic hard disk device or a semiconductor storage device. The quality information storage unit 103 stores a quality information table in advance. The quality information table is a table in which combinations of voice quality indicators and evaluation values are registered. FIG. 2 is a diagram illustrating a specific example of the quality information table stored in the quality information storage unit 103. A plurality of records 30 are registered in the quality information table shown in FIG. The record 30 has each value of the voice quality index and RSRP (evaluation value). The voice quality index represents a measure of the quality of voice transmitted during a call. In the example shown in FIG. 2, the voice quality index is represented in six stages of “0 to 5”. The larger the value of the voice quality index, the better the quality of the voice transmitted during a call. RSRP represents the reference signal received power.

  In the example shown in FIG. 2, there are a plurality of voice quality indicators in the quality information table. In FIG. 2, the record 30 registered at the top of the quality information table has a voice quality index value “5” and an RSRP value “−50 ≦ RSRP”. That is, it is expressed that when the acquired RSRP value is “−50 dBm or more”, the quality of voice during a call is estimated to be very good.

Returning to FIG. 1, the description of the communication terminal 10 will be continued.
The voice quality acquisition unit 104 acquires a voice quality index based on the evaluation value acquired by the evaluation value acquisition unit 102 and the quality information table stored in the quality information storage unit 103.
The display control unit 105 controls display on the display unit 106. For example, the display control unit 105 controls the display method of the voice quality index to be displayed on the display unit 106 according to the acquired voice quality index. The display control unit 105 displays, for example, an icon indicating the value of an audio quality index to be displayed on the display unit 106 (for example, “5” vertical lines if the number of audio quality indexes is “5”). The display unit 106 displays the color gradation different for each index value. Note that the display control unit 105 may display the voice quality indicator on the display unit 106 at any timing before the user of the communication terminal 10 makes a call using the IP phone. For example, the display control unit 105 may display the voice quality index on the display unit 106 when the user of the communication terminal 10 activates the application of the IP phone or after the application is activated.
The display unit 106 is an image display device such as a liquid crystal display or an organic EL (Electro Luminescence) display. The display unit 106 displays a voice quality index in accordance with the control of the display control unit 105.

FIG. 3 is a flowchart showing a process flow of the communication terminal 10 according to the first embodiment of the present invention.
The communication unit 101 receives a signal transmitted from the base station device 20 (step S101). The evaluation value acquisition unit 102 acquires, as an evaluation value, inter-base station communication quality information indicating communication quality in a radio section between the communication terminal 10 and the base station device 20 based on the received signal (step S102). The voice quality acquisition unit 104 acquires a voice quality index based on the acquired evaluation value (step S103). Specifically, first, the voice quality acquisition unit 104 reads a quality information table stored in the quality information storage unit 103. Next, the voice quality acquisition unit 104 selects the record 30 corresponding to the acquired evaluation value from the records 30 registered in the read quality information table. Then, the audio quality acquisition unit 104 acquires the value recorded in the audio quality index item of the selected record 30. The display control unit 105 causes the display unit 106 to perform display in a display mode corresponding to the acquired voice quality index. The display unit 106 displays a voice quality index according to the control of the display control unit 105 (step S104).

  According to the quality indicator output system 100 configured as described above, it is possible to notify the user of an estimate of the voice quality during a call before the user makes a call using an IP phone. Specifically, the communication terminal 10 acquires and displays a voice quality index based on an evaluation value obtained by receiving a signal from the base station apparatus 20. For this reason, it is possible to provide a user who uses an IP phone with a communication terminal to provide a judgment material regarding the use of the IP phone before a call. Thereby, the user can grasp | ascertain whether a voice quality is good or bad only by seeing a screen display, when calling using the IP telephone in the place where self is located. Therefore, when it is displayed that the voice quality is poor at the place where the user is located, the user can also select whether to move the place or make a call using a communication method other than the IP phone. As a result, it is possible to reduce the possibility that the voice quality is bad during a call and the user is uncomfortable.

<Modification>
A wireless LAN (Local Area Network: for example, Wi-Fi (registered trademark)) may be used for wireless communication between the communication terminal 10 and the base station apparatus 20.
In the quality information table, a configuration is shown in which six levels (“0” to “5”) are set as indexes of audio quality. However, even if an index of seven levels or more is set as an index of audio quality, Alternatively, an index of 5 levels or less may be set.
RSRP is only an example of an evaluation value. That is, other evaluation values described above may be recorded in the quality information table instead of RSRP. In this case, the value of the voice quality index in the quality information table is set as appropriate according to the other recorded evaluation values. A plurality of evaluation values may be recorded in the quality information table. In this case, a voice quality index value is appropriately set for each combination of a plurality of evaluation values.

The method for displaying the voice quality indicator need not be limited to the method described above. For example, the display control unit 105 displays a plurality of scales (for example, “0” to “5”) on a straight line provided on one axis, and displays the scale corresponding to the acquired voice quality index value. A symbol may be displayed. Further, the display control unit 105 may change the color of an LED (Light Emitting Diode) for each value of the sound quality index to represent the sound quality index. Further, the display control unit 105 may combine a plurality of evaluation values to represent a voice quality index. For example, the display control unit 105 represents a voice quality index acquired based on RSSI by the number of vertical lines provided on one axis, and represents a voice quality index acquired based on the S / N ratio as a vertical line. The color is shaded. By being configured in this way, the user of the communication terminal 10 can grasp the quality of the sound at the location where he / she is currently located only by looking at the index displayed on the screen. For example, when the number of vertical lines is large and the color of the vertical lines is dark, the user of the communication terminal 10 knows that the sound quality is not good because the radio wave is strong but there is a lot of noise. When the number of vertical lines is large and the color of the vertical lines is light, the user of the communication terminal 10 knows that the sound quality is good because the radio waves are strong and the noise is low. In addition, the display control unit 105 may display a voice quality index on the icon of the IP phone application. For example, the display control unit 105 displays the voice quality index on the icon by displaying the value of the voice quality index on the icon of the IP phone application. With this configuration, the user of the communication terminal 10 can grasp the quality of the voice and the quality of the voice before starting the application of the IP phone.
In addition, the display control unit 105 displays a confirmation screen for confirming whether or not a call is actually made after the call button is pressed by the user when the value of the acquired voice quality index is lower than a predetermined value. You may display on the part 106. FIG. Further, when the value of the voice quality index is lower than the predetermined value, the display control unit 105 may gray out the call button so that the user cannot press it.

Further, the display control unit 105 may cause the display unit 106 to display a questionnaire regarding whether the voice quality is good or bad after the call ends. The communication terminal 10 may be configured to collect the evaluation of accuracy of the voice quality index provided to the user by a questionnaire and update the value of the voice quality index in the quality information table according to the collection result. Good.
In addition, the communication terminal 10 may be configured to include a switching unit (not shown) that switches the communication path used by the own device when the acquired voice quality index value is lower than a predetermined value. In this case, for example, the switching unit switches the communication path (for example, LTE line) currently used by the own apparatus (communication terminal 10) to another communication path (for example, 3G line).

[Second Embodiment]
FIG. 4 is a schematic block diagram showing a system configuration of the quality indicator output system 100a according to the second embodiment of the present invention. The quality indicator output system 100a in the second embodiment includes a communication terminal 10a, a base station device 20a, a communication device 30a, and a network 40a. In the quality index output system 100a, the communication terminal 10a uses the evaluation value acquired as the communication quality information between communication devices indicating the communication quality in the section between the own device (communication terminal 10a) and the communication device 30a. Get the indicator. Examples of evaluation values acquired in the section between the communication terminal 10a and the communication device 30a include a packet error rate, jitter (fluctuation), delay, and throughput. Hereinafter, the communication terminal 10a, the base station device 20a, the communication device 30a, and the network 40a will be described in detail.

  The communication terminal 10a includes a CPU, a memory, an auxiliary storage device, and the like connected by a bus, and executes a voice quality display program. By executing the audio quality display program, the communication terminal 10a functions as an apparatus including the communication unit 101, the evaluation value acquisition unit 102a, the quality information storage unit 103a, the audio quality acquisition unit 104a, the display control unit 105, and the display unit 106. All or some of the functions of the communication terminal 10a may be realized using hardware such as ASIC, PLD, or FPGA. The audio quality display program may be recorded on a computer-readable recording medium. The computer-readable recording medium is, for example, a portable medium such as a flexible disk, a magneto-optical disk, a ROM, a CD-ROM, or a storage device such as a hard disk built in the computer system. The voice quality display program may be transmitted / received via a telecommunication line.

The communication unit 101 communicates with the communication device 30a.
The evaluation value acquisition unit 102a acquires, as an evaluation value, inter-base station communication quality information indicating communication quality in a section between the own device (communication terminal 10a) and the communication device 30a. For example, the evaluation value acquisition unit 102a transmits and receives IP packets to and from the communication device 30a using ICMP (Internet Control Message Protocol), thereby obtaining an evaluation value in a section between the own device and the communication device 30a. get.
The quality information storage unit 103a is configured using a storage device such as a magnetic hard disk device or a semiconductor storage device. The quality information storage unit 103a stores a quality information table in advance. The quality information table is a table in which combinations of voice quality indicators and evaluation values are registered.

The voice quality acquisition unit 104a acquires a voice quality index based on the evaluation value acquired by the evaluation value acquisition unit 102a and the quality information table stored in the quality information storage unit 103a.
The display control unit 105 controls display on the display unit 106.
The display unit 106 is an image display device such as a liquid crystal display or an organic EL display. The display unit 106 displays a voice quality index in accordance with the control of the display control unit 105.

The base station device 20a is a base station device of a mobile communication network. The base station device 20a relays the IP packet transmitted from the communication terminal 10a to the communication device 30a. The base station device 20a relays the IP packet transmitted from the communication device 30a to the communication terminal 10a.
The communication device 30a is configured using an information processing device. The communication device 30a communicates with the communication terminal 10 via the base station device 20a and the network 40.
The network 40 may be a network configured in any way. The network 40 may be configured using, for example, a mobile communication network.

FIG. 5 is a flowchart showing the flow of processing of the communication terminal 10a in the second embodiment of the present invention.
The evaluation value acquisition unit 102a of the communication terminal 10a transmits an IP packet to the communication device 30a via the communication unit 101 at a predetermined timing (step S201). The predetermined timing may be, for example, a timing at which an IP phone application is activated, a timing at which a list of call partners is displayed after the IP phone application is activated, or other timing. May be.

  The communication unit 101 receives an IP packet from the communication device 30a (step S202). The evaluation value acquisition unit 102a acquires an evaluation value based on the received IP packet (step S203). The voice quality acquisition unit 104a acquires a voice quality index based on the acquired evaluation value (step S204). The display control unit 105 causes the display unit 106 to perform display in a display mode corresponding to the acquired voice quality index. The display unit 106 displays a voice quality index according to the control of the display control unit 105 (step S205).

  According to the quality index output system 100a configured as described above, it is possible to acquire a voice quality index based on an evaluation value of a section different from the first embodiment. Specifically, the communication terminal 10a acquires evaluation values such as jitter, delay, and packet error rate that affect the voice quality with respect to the section between the communication device 10a connected to the network 40a. And the communication terminal 10a acquires the parameter | index of audio | voice quality based on the acquired evaluation value. Therefore, it is possible to provide the user with highly accurate information on the voice quality index. For this reason, it is possible to provide a user who uses an IP phone with a communication terminal to provide a judgment material regarding the use of the IP phone before a call.

<Modification>
The second embodiment may be modified in the same manner as the first embodiment.
In the present embodiment, the configuration in which the voice quality index is acquired based only on the evaluation value in the section between the communication terminal 10a and the communication device 30a is shown, but it is not necessary to be limited to this. For example, the communication terminal 10a acquires an index of voice quality based on an evaluation value in a section between the own device and the communication device 30a and an evaluation value in a wireless section between the own device and the base station device 20a. May be. In this case, for example, the following processing is performed. First, the communication terminal 10a acquires a voice quality index based on an evaluation value in a section between the own apparatus and the communication apparatus 30a, and based on an evaluation value in a wireless section between the own apparatus and the base station apparatus 20a. To get a voice quality indicator. And the communication terminal 10a displays the average value of each acquired voice quality index as a voice quality index provided to the user. In addition, the communication terminal 10a may acquire a voice quality index based on a voice quality index record corresponding to each evaluation value.

[Third Embodiment]
FIG. 6 is a schematic block diagram showing the system configuration of the quality indicator output system 100b in the third embodiment of the present invention. A quality indicator output system 100b according to the third embodiment includes a communication terminal 10b, a base station device 20b, a network 40b, a communication terminal 50b, a base station device 60b, and a quality indicator holding server 70b. In the quality index output system 100b, the communication terminal 10b and the communication terminal 50b acquire each other's voice quality index via the quality index holding server 70b. The communication terminal 50b is a communication terminal used by a user who can be a call partner of the communication terminal 10b. Hereinafter, the communication terminal 10b, the base station apparatus 20b, the network 40b, the communication terminal 50b, the base station apparatus 60b, and the quality index holding server 70b will be described in detail.

  The communication terminal 10b includes a CPU, a memory, an auxiliary storage device, and the like connected by a bus, and executes a voice quality display program. By executing the audio quality display program, the communication terminal 10b functions as an apparatus including the communication unit 101, the evaluation value acquisition unit 102b, the quality information storage unit 103b, the audio quality acquisition unit 104b, the display control unit 105, and the display unit 106. Note that all or part of the functions of the communication terminal 10b may be realized using hardware such as an ASIC, PLD, or FPGA. The audio quality display program may be recorded on a computer-readable recording medium. The computer-readable recording medium is, for example, a portable medium such as a flexible disk, a magneto-optical disk, a ROM, a CD-ROM, or a storage device such as a hard disk built in the computer system. The voice quality display program may be transmitted / received via a telecommunication line.

The communication unit 101 communicates with the quality index holding server 70b.
The evaluation value acquisition unit 102b acquires an evaluation value in a wireless section between the own apparatus (communication terminal 10b) and the base station apparatus 20b or an evaluation value in a section between the own apparatus and a server on the network. Further, the evaluation value acquisition unit 102b acquires the voice quality index of the communication terminal 50b (hereinafter referred to as “other voice quality index”) from the quality index holding server 70b as an evaluation value.
The quality information storage unit 103b is configured using a storage device such as a magnetic hard disk device or a semiconductor storage device. The quality information storage unit 103b stores a quality information table in advance. The quality information table is a table in which combinations of voice quality indicators and evaluation values are registered.

The voice quality acquisition unit 104b determines the voice quality index (hereinafter referred to as “own voice”) based on the evaluation value acquired by the evaluation value acquisition unit 102b and the quality information table stored in the quality information storage unit 103b. "Quality index"). Also, the voice quality acquisition unit 104b acquires a comprehensive voice quality index based on the acquired own voice quality index and the other voice quality index. The comprehensive voice quality index is a comprehensive value of the voice quality index of a plurality of communication terminals (for example, the communication terminal 10b and the communication terminal 50b), and is an average value of the own voice quality index and the other voice quality index, for example. There may be a voice quality index having a high index value among the own voice quality index and the other voice quality index.
The display control unit 105 controls display on the display unit 106. For example, the display control unit 105 controls the display method of the voice quality index to be displayed on the display unit 106 according to the acquired total voice quality index.
The display unit 106 is an image display device such as a liquid crystal display or an organic EL display. The display unit 106 displays a voice quality index in accordance with the control of the display control unit 105.

The base station device 20b is a base station device of a mobile communication network. The base station device 20b relays, for example, a voice quality index transmitted from the communication terminal 10b to the quality index holding server 70b.
The network 40b may be a network configured in any way. The network 40b may be configured using, for example, a mobile communication network.

  The communication terminal 50b is configured using an information processing device such as a mobile phone, a smartphone, a tablet device, a personal computer, a notebook computer, or a game device. The communication terminal 50b communicates with the quality index holding server 70b. The communication terminal 50b has the same configuration as that of the communication terminal 10b. That is, the communication terminal 50b includes a communication unit, an evaluation value acquisition unit, a quality information storage unit, a voice quality acquisition unit, a display control unit, and a display unit.

The base station device 60b is a base station device of a mobile communication network. The base station device 60b relays, for example, a voice quality index transmitted from the communication terminal 50b to the quality index holding server 70b.
The quality index holding server 70b receives the voice quality index transmitted from the communication terminal 10b and the communication terminal 50b and stores it in the buffer. Further, the quality index holding server 70b transmits the requested speech quality index to the requesting communication terminal 10b and the communication terminal 50b in response to requests from the communication terminal 10b and the communication terminal 50b.

FIG. 7 is a sequence diagram showing an operation of processing of the quality indicator output system 100b in the third embodiment of the present invention.
The evaluation value acquisition unit 102b of the communication terminal 10b acquires an evaluation value in a section between the own device (communication terminal 10b) and another device (step S301). The evaluation value acquisition unit 102b may acquire, for example, an evaluation value in a wireless section between the own device and the base station device 20b, or send and receive IP packets with a server on the network. You may acquire the evaluation value in the area between. The voice quality acquisition unit 104b acquires the own voice quality index based on the acquired evaluation value (step S302).

The communication unit 101 transmits the acquired own voice quality index and identification information (for example, the MAC address of the communication terminal 10b) to the quality index holding server 70b at a predetermined timing (step S303). The predetermined timing may be, for example, a timing at which a predetermined time (for example, 1 minute, 10 minutes, 1 hour, etc.) has elapsed, a timing at which a handover is performed, or a quality index holding server. It may be the timing at which the transmission request for the own voice quality index is received from 70b, or may be at another timing.
The quality index holding server 70b receives the own voice quality index and the identification information transmitted from the communication terminal 10b, and stores them in the buffer (step S304).

The evaluation value acquisition unit of the communication terminal 50b acquires an evaluation value in a section between the own device (communication terminal 50b) and another device (step S305). The evaluation value acquisition unit may acquire, for example, an evaluation value in a wireless section between the own device (communication terminal 50b) and the base station device 60b, or transmits / receives an IP packet to / from a server on the network. An evaluation value between the server and the server may be acquired. The voice quality acquisition unit acquires a voice quality index based on the acquired evaluation value (step S306). The communication unit transmits the acquired voice quality index and identification information (for example, the MAC address of the communication terminal 50b) to the quality index holding server 70b at a predetermined timing (step S307).
The quality index holding server 70b receives the voice quality index and the identification information transmitted from the communication terminal 50b, and stores them in the buffer (step S308).

  Thereafter, the communication terminal 10b requests the quality index holding server 70b to transmit another voice quality index (step S309). The timing at which the communication terminal 10b requests the quality index holding server 70b to transmit another voice quality index may be the timing at which the user selects the other party, or at the timing at which the user displays a list of other parties. There may be. The evaluation value acquisition unit 102b generates a request signal including the identification information of the communication terminal 50b, and transmits the generated request signal to the quality index holding server 70b via the communication unit 101 (step S310). The request signal is a signal used when requesting transmission of a voice quality indicator.

The quality index holding server 70b receives a request signal from the communication terminal 10b (step S311). The quality index holding server 70b transmits the other voice quality index identified by the identification information included in the received request signal as a response to the communication terminal 10b (step S312).
The evaluation value acquisition unit 102b of the communication terminal 10b acquires the other voice quality index transmitted from the quality index holding server 70b as an evaluation value (step S313). The voice quality acquisition unit 104b acquires a comprehensive voice quality index based on the acquired other voice quality index and the own voice quality index (step S314). The voice quality acquisition unit 104 b outputs the acquired total voice quality index to the display control unit 105. The display control unit 105 causes the display unit 106 to display the total audio quality index in a manner corresponding to the total audio quality index (step S315). At this time, the display control unit 105 may cause the display unit 106 to display the other voice quality index together with the total voice quality index, or may display the own voice quality index, the other voice quality index, and the total voice quality index. You may make the display part 106 perform a display.

  According to the quality index output system 100b configured as described above, it is possible to acquire a voice quality index in the section of the communication terminal 50b. As a result, the communication terminal 10b determines the total voice quality based on the voice quality index in the section between the own device and the other apparatus and the voice quality index in the section between the communication terminal 50b and the other apparatus. The index is acquired and displayed to the user. Therefore, the communication terminal 10b provides information that considers not only the voice quality index in the section between the own device and the other apparatus but also the voice quality index in the section between the communication terminal 50b and the other apparatus. be able to. For this reason, it is possible to provide a user who uses an IP phone with a communication terminal to provide a judgment material regarding the use of the IP phone before a call. As a result, the user of the communication terminal 10b can determine whether to use the IP phone according to the provided information.

The third embodiment may be modified in the same manner as the first embodiment.
Moreover, although the communication terminal 10b and the communication terminal 50b showed the structure which transmits the parameter | index of audio | voice quality to the quality parameter | index holding | maintenance server 70b in this embodiment, it does not need to be limited to this. For example, each of the communication terminal 10b and the communication terminal 50b may be configured to transmit the evaluation value in the section acquired by itself to the quality index holding server 70b. In this case, the quality index holding server 70b stores the evaluation values transmitted from the communication terminal 10b and the communication terminal 50b in a buffer. Then, in response to a request from the communication terminal 10b or the communication terminal 50b, the requested evaluation value is transmitted to the requesting communication terminal 10b or the communication terminal 50b. The communication terminal 10b or the communication terminal 50b receives the evaluation value of the other communication terminal from the quality index holding server 70b. Then, the voice quality acquisition unit 104b or the voice quality acquisition unit refers to the quality information table and determines the own voice quality based on the record 30 of the voice quality index corresponding to each of the received evaluation value and the evaluation value of the own device. Get an index and other voice quality index. Thereafter, the voice quality acquisition unit 104b or the voice quality acquisition unit acquires a comprehensive voice quality index based on the acquired own voice quality index and the other voice quality index, and outputs them to the display control unit 105 or the display control unit. The display control unit 105 or the display control unit causes the display unit 106 or the display unit to perform display in a display mode according to the output value of the total audio quality index.

  The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration is not limited to this embodiment, and includes designs and the like that do not depart from the gist of the present invention.

DESCRIPTION OF SYMBOLS 10, 10a, 10b ... Communication terminal 20, 20a, 20b ... Base station apparatus, 30a ... Communication apparatus, 40a, 40b ... Network, 50b ... Communication terminal, 60b ... Base station apparatus, 70b ... Quality index holding server, 101 ... Communication unit, 102, 102a, 102b ... Evaluation value acquisition unit, 103, 103a, 103b ... Quality information storage unit, 104, 104a, 104b ... Audio quality acquisition unit, 105 ... Display control unit (output unit), 106 ... Display unit

Claims (14)

An evaluation value acquisition unit for acquiring an evaluation value representing communication quality in a communication path including a wireless section;
A voice quality acquisition unit that acquires a voice quality index of the IP phone based on the acquired evaluation value;
An output unit that outputs the voice quality index in a manner according to the acquired voice quality index;
A communication terminal comprising:   The evaluation value acquisition unit acquires, as the evaluation value, inter-base station communication quality information representing communication quality in a wireless section between the base station and the base station by receiving a signal transmitted from a base station. The communication terminal according to claim 1.   The evaluation value acquisition unit acquires communication quality information between communication devices representing communication quality in a section between the communication device and the communication device as the evaluation value by transmitting and receiving packets to and from the communication device. Item 2. The communication terminal according to Item 1.   The evaluation value acquisition unit is an index of voice quality of other communication terminals, communication quality information between base stations representing communication quality in a wireless section between the other communication terminals and the base station, or other communication terminals and communication devices. The communication terminal according to claim 1, wherein communication quality information between communication devices representing communication quality in a section between is acquired from the server as the evaluation value.   The evaluation value acquisition unit further includes the communication quality information between the base stations representing the communication quality in the wireless section between the own apparatus and the base station from the communication path including the wireless section, or the wireless section between the own apparatus and the communication apparatus. The communication terminal according to claim 4, wherein the communication quality information between the communication devices representing the communication quality is acquired as the evaluation value.   The voice quality acquisition unit includes the evaluation value acquired from the server, and the communication quality information between base stations or the communication quality information between communication devices indicating communication quality in a radio section between the device and the base station. The communication terminal according to claim 5, wherein an index of voice quality is acquired based on the information. A receiving unit that receives, for each communication terminal, an evaluation value representing communication quality in a communication path including a voice quality index or a wireless section of an IP phone;
A storage unit for storing the received voice quality index or evaluation value;
A transmission unit that transmits the voice quality index or evaluation value stored in the storage unit in response to a request from the communication terminal to the communication terminal that is a request source;
A quality index holding server comprising: A quality index output system comprising: a communication terminal; and a quality index holding server for storing an evaluation value representing communication quality in a communication path including a wireless path or an index of voice quality of an IP phone for each communication terminal,
The communication terminal is
An evaluation value acquisition unit for acquiring the evaluation value;
A voice quality acquisition unit that acquires a voice quality index of the IP phone based on the acquired evaluation value;
An output unit that outputs the voice quality index in a manner according to the acquired voice quality index;
With
The quality index holding server is
A receiving unit that receives the voice quality index or evaluation value for each communication terminal;
A storage unit for storing the received voice quality index or evaluation value;
A transmission unit that transmits the voice quality index or evaluation value stored in the storage unit in response to a request from the communication terminal to the communication terminal that is a request source;
Quality index output system with. An evaluation value acquisition step for acquiring an evaluation value representing communication quality in a communication path including a wireless section;
A voice quality acquisition step of acquiring a voice quality index of the IP phone based on the acquired evaluation value;
An output step of outputting the speech quality index in a manner according to the acquired speech quality index;
A quality indicator output method. A reception step of receiving, for each communication terminal, an evaluation value representing communication quality in a communication path including a voice quality index or a wireless section of an IP phone;
A recording step of storing the received voice quality index or evaluation value in a storage unit;
A transmission step of transmitting the voice quality index or evaluation value stored in the storage unit in response to a request from the communication terminal to the communication terminal that is a request source;
A quality index holding method. A quality index output method in a quality index output system comprising: a communication terminal; and a quality index holding server that stores an evaluation value representing a communication quality in a communication path including a wireless path or an IP telephone voice quality index for each communication terminal. There,
The communication terminal is
An evaluation value acquisition step of acquiring the evaluation value;
A voice quality acquisition step of acquiring a voice quality index of the IP phone based on the acquired evaluation value;
An output step of outputting the speech quality index in a manner according to the acquired speech quality index;
Have
The quality index holding server is
A reception step of receiving the voice quality index or evaluation value for each communication terminal;
A recording step of storing the received voice quality index or evaluation value in a storage unit;
A transmission step of transmitting the voice quality index or evaluation value stored in the storage unit in response to a request from the communication terminal to the communication terminal that is a request source;
A quality indicator output method. An evaluation value acquisition step for acquiring an evaluation value representing communication quality in a communication path including a wireless section;
A voice quality acquisition step of acquiring a voice quality index of the IP phone based on the acquired evaluation value;
An output step of outputting the speech quality index in a manner according to the acquired speech quality index;
A computer program for causing a computer to execute. A reception step of receiving, for each communication terminal, an evaluation value representing communication quality in a communication path including a voice quality index or a wireless section of an IP phone;
A recording step of storing the received voice quality index or evaluation value in a storage unit;
A transmission step of transmitting the voice quality index or evaluation value stored in the storage unit in response to a request from the communication terminal to the communication terminal that is a request source;
A computer program for causing a computer to execute. As a quality index output system comprising a communication terminal and a quality index holding server for storing an evaluation value representing a communication quality in a communication path including a wireless path or an IP telephone voice quality index for each communication terminal, the communication terminal A computer program for operating a corresponding first computer and a second computer corresponding to the quality index holding server,
For the first computer,
An evaluation value acquisition step of acquiring the evaluation value;
A voice quality acquisition step of acquiring a voice quality index of the IP phone based on the acquired evaluation value;
An output step of outputting the speech quality index in a manner according to the acquired speech quality index;
And execute
For the second computer,
A reception step of receiving the voice quality index or evaluation value for each communication terminal;
A recording step of storing the received voice quality index or evaluation value in a storage unit;
A transmission step of transmitting the voice quality index or evaluation value stored in the storage unit in response to a request from the communication terminal to the communication terminal that is a request source;
A computer program for running.

Images