JP2006211000A - Video telephone - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a video telephone transmitting proper line holding data in response to an opposite party in carrying out speech holding and decreasing the storage capacity. <P>SOLUTION: The video telephone sets a cross-reference among terminal numbers of opposite parties, holding video data and holding tone data in advance, acquires a terminal number of an opposite party in the case of call connection at speech start, and when an operator carries out speech holding, the video telephone automatically transmits the holding video data and the holding tone data corresponding to the terminal number of the opposite party. The video telephone shares the holding video data with video data of a response message used by an automatic answering function. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a videophone device, and more particularly to a videophone device having a call hold function.

  In a conventional videophone device, one hold data is selected in advance as the hold data to be sent, and when the operator enters a hold state by the operation of the operator, the selected hold data is transferred to the other videophone device regardless of the destination. It was sending out.

  Hereinafter, a conventional videophone apparatus will be described with reference to the drawings. FIG. 4 is a block diagram showing the configuration of a conventional videophone apparatus.

  In this figure, 401 is a CPU for controlling the entire videophone device, 402 is a ROM storing an operation program for the videophone device, 403 is a RAM used as a work area, and 404 is an operation for the operator to operate the videophone device. Part. Reference numeral 405 denotes a display unit including an LCD, 406 denotes a camera for taking a video of the user, 407 denotes a graphic control unit that performs display control of the display unit 405 and image processing of the taken video, and 408 outputs sound. A speaker, 409 is a microphone for inputting user's voice, and 410 is an audio control unit for controlling voice input / output.

  411 is a hold data memory for storing a plurality of hold data, 413 is a hold data selection unit for selecting hold data to be sent at the time of hold, 414 is an audio codec for encoding and decoding audio data, and 415 is a code for video data 416 is a video codec that performs encoding and decoding, and 416 is a multiplexing / demultiplexing unit that multiplexes video data and audio data and separates multiplexed data received from the line into video data and audio data. 417 is a line that interfaces with the line The interface unit 418 is a communication line.

  Each block is connected to the control bus 419 and controlled by the CPU 401.

  The video input from the camera 406 is A / D converted by the graphic control unit 407, further subjected to predetermined image processing, and then encoded by the video codec 415. The audio input from the microphone 409 is A / D converted by the audio control unit 410 and encoded by the audio codec 414.

  When sending data to a videophone device of the other party in a videophone call, the video data encoded by the video codec 415 and the audio data encoded by the audio codec 414 are multiplexed by the multiplexing / demultiplexing unit 416, and the line interface The data is transmitted to the other party's videophone device via the unit 417 and the communication line 418. On the other hand, in the case where the on-hold data at the time of holding is created by itself, the video data encoded by the video codec 415 and the audio data encoded by the audio codec 414 are stored in the held data memory 411, respectively.

  In a videophone call, multiplexed data received from the partner device via the communication line 418 is input to the multiplexing / demultiplexing unit 416 via the line interface unit 417 and separated into video data and audio data. . Video data is decoded by a video codec 415, and audio data is decoded by an audio codec 414. The video data decoded by the video codec 415 is input to the graphic control unit 407 and subjected to predetermined image processing, and then displayed on the display unit 405. The audio data decoded by the audio codec 414 is D / A converted by the audio control unit 410 and output as audio from the speaker 408.

  Next, the operation at the time of call holding in the conventional videophone apparatus will be described. FIG. 5 is a flowchart showing the operation when holding a call.

  First, a plurality of hold data to be sent during the hold operation are stored in the hold data memory 411 as encoded data. Each hold data is composed of video data and audio data. In addition, as an initial setting of the apparatus, data to be transmitted during a hold operation is set in the hold data selection unit 413 from among a plurality of hold data (step S501).

  If the operator performs a hold operation on the operation unit 404 during a videophone call (step S502), the videophone call is interrupted and transmission of the hold data is started. The hold data selection unit 413 reads the hold data set in the initial setting from the hold data memory 411 (step S503), and outputs it to the multiplexing / demultiplexing unit 416. The multiplexing / separating unit 416 multiplexes the video data portion and the audio data portion of the reserved data (step S504), and sends the multiplexed data to the other party's videophone device via the line interface unit 417 and the communication line 418 (step S504). S505).

  Thereafter, steps S503 to S505 are repeated until the hold is released by the operator, and the hold video and the hold sound are repeatedly transmitted. When the operator cancels the hold in the operation unit 404 (step S506), the normal videophone call is resumed (step S507). The above is the operation at the time of call holding in the conventional videophone device.

In the above-described conventional videophone device, the hold data set in the hold data selection unit in the initial setting is sent out, so the hold data sent during a call cannot be changed. On the other hand, as a method of switching and sending a plurality of pieces of hold data even in the hold state, text information that prompts switching of the hold data is superimposed on the hold video sent to the other party, and the other party's videophone device is sent. A method has been proposed in which the hold data to be sent to the other party's videophone device is switched when a switching instruction is given in the operation unit (see, for example, Patent Document 1).
JP 2001-238188 A

  However, in the above-described conventional videophone device, one hold data is selected as the hold data in advance, and when the operator enters the hold state by the operation of the operator, the above hold data is transferred to the other videophone device regardless of the other party. Since the data is transmitted, the pending data is always constant unless the setting is changed. On the other hand, in the case of the method of switching the hold data by operating the other party's videophone device, the hold data can be switched, but the preferred hold data can be sent to the specific call partner on the transmission side. There wasn't.

  Further, since the hold video and the hold sound to be sent cannot be individually set, the types of hold data to be sent are limited.

  Furthermore, in order to prepare a large number of data as reserved data, it is necessary to increase the memory capacity of the apparatus.

  The present invention has been made to solve the problems of the conventional videophone apparatus as described above, and sends the hold data to be sent to the other terminal in the hold state according to the other party. An object of the present invention is to provide a videophone device capable of reducing the storage capacity.

The present invention aims to solve the above problems,
According to a first aspect of the present invention (Claim 1), in a videophone device that transmits and receives video and audio via a communication line, means for acquiring a terminal number of a destination by call connection at the start of a call, Means for storing the hold data, hold data setting means for presetting hold data to be sent to a specific call partner, the plurality of terminals according to the terminal number of the callee and the setting of the hold data setting means when the call is held Means for selecting specific hold data from the hold data and sending it to the destination terminal.

  In the second invention according to the present invention (Claim 2), the hold data is composed of a plurality of hold video data and a plurality of hold audio data, and when the call is put on hold, the hold video is determined according to the terminal number of the other party. Means is provided for sending either the data, the on-hold voice data, or both to the counterpart terminal according to the setting of the on-hold data setting means.

  In the third invention according to the present invention (Claim 3), the hold data setting means is provided with means for independently setting the hold video data to be sent to the specific terminal number and the hold audio data. Is.

  In the fourth invention according to the present invention (Claim 4), the on-hold video data is the same video data as the video data of the response message used in the answering machine function of the videophone device.

  According to the first aspect of the present invention, the terminal number of the other party is acquired by the call connection at the start of the call, and a specific calling party is selected from a plurality of hold data according to the terminal number. By automatically selecting predetermined hold data and sending it to the partner terminal, it is possible to send an appropriate hold message according to the communication partner without performing a switching operation by the operator during the hold. .

  According to the second aspect of the present invention, when a call is on hold, depending on the terminal number of the other party, the hold video data, the hold audio data, or both of the plurality of hold video data and the plurality of hold audio data By sending one of these to the other party's terminal, it is possible to avoid sending unnecessary information to the other party who does not need video data or audio data at the time of hold, and a party without a videophone function. It is also possible to deal with terminals.

  According to the third aspect of the present invention, since the hold video data and the hold audio data transmitted to the specific terminal number can be set independently when the call is on hold, no new hold data is prepared. In addition, it is possible to increase the types of pending data.

  Further, according to the fourth aspect of the present invention, since the hold video data can be shared with the video data of the response message used in the answering machine function, the memory capacity used in the videophone device can be reduced.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is a block diagram showing a configuration of a videophone apparatus according to the present invention.

  In this figure, 101 is a CPU that monitors the state of each part of the videophone device and controls the entire device. Reference numeral 102 denotes a ROM that stores an operation program of the videophone device, and the CPU 101 operates according to the program read from the ROM 102. Reference numeral 103 denotes a RAM used as a work area in data processing such as image processing, audio processing, and encoding / decoding processing. An operation unit 104 includes operation keys, LEDs, and the like and is used by an operator to operate the videophone device.

  Reference numeral 105 denotes a display unit configured by an LCD or the like, which displays an operation screen, a video image of a call partner, and the like. Reference numeral 106 denotes a camera composed of a CCD or the like, which shoots a video phone user's video or the like. A graphic control unit 107 performs image processing of video captured by the camera 106 and controls the display unit 105. The graphic control unit 107 also performs switching processing of images such as captured images, received images, and operation screens to be displayed on the display unit 105, and image composition processing for dividing and displaying these images.

  Reference numeral 108 denotes a speaker that outputs sound, and reference numeral 109 denotes a microphone that inputs a videophone user's voice. An audio control unit 110 controls audio input / output such as A / D conversion, D / A conversion, volume control, gain adjustment, echo cancellation processing, and ringtone generation processing of audio data.

  Reference numeral 111 denotes an audio memory composed of a non-volatile memory such as a FLASH memory. The voice data is sent to the partner terminal during the hold or the answering mode, the voice data of the answering message sent from the partner terminal, and the voice recording. Are stored as encoded data. As the voice data for holding, encoded data such as a melody, an announcement indicating that the voice is on hold, or voice inputted from the microphone 109 is stored.

  Reference numeral 112 denotes a video memory composed of a non-volatile memory such as a FLASH memory. Like the audio memory 111, the video data sent to the partner terminal at the time of the hold or the voice recording mode, and the message recording message sent from the partner terminal Video data, video data during call recording, and the like are stored as encoded data. As the video data for holding, a landscape video, a video taken by the camera 106, or encoded data in which character information indicating that the video is on hold are superimposed on the video.

  114 is an audio codec that performs encoding and decoding of audio data. 711 / G. 722 / G. The audio data is encoded and decoded in accordance with a recommendation such as 728. Reference numeral 115 denotes a video codec that performs encoding and decoding of video data. Video data is encoded and decoded in accordance with recommendations such as H.261.

  116 is a multiplexing / separating unit that multiplexes video encoded data and audio encoded data and demultiplexes multiplexed data received from the line into video encoded data and audio encoded data. 221 / H. In accordance with a recommendation such as 225.0, video signals and audio signals are multiplexed and multiplexed data are separated in units of frames.

  117 is a line interface unit for interfacing with a communication line, and 118 is a communication line.

  Reference numeral 120 denotes a transmission hold data setting unit that sets correspondence between the terminal number of the videophone device to be a communication partner and the video data and audio data to be transmitted at the time of the hold. Reference numeral 121 denotes a partner terminal detection unit that detects a terminal number of a videophone device that is a connection partner in a call connection at the start of communication.

  Reference numeral 113 denotes a hold data selection unit that selects video data and audio data to be sent at the time of hold. The video memory 112 and the audio memory 111 are set according to the terminal number detected by the counterpart terminal detection unit 121 and the setting of the send hold data setting unit 120. Predetermined hold data is read out from the data and output to the multiplexing / demultiplexing unit.

  Each block is connected to the control bus 119 and is controlled by the CPU 101.

  Note that the communication control with the communication line and the call control with the connection destination terminal are performed by H.264 of ITU-T. 323 / H. It is assumed that videophone communication is performed in accordance with a recommendation such as 320. In FIG. 1, the audio memory 111 and the video memory 112 are separate memories. However, these memories may be mapped on the same nonvolatile memory. Further, the set value of the transmission hold data setting unit may be stored in the same nonvolatile memory.

  Next, the operation at the time of call holding in the videophone device of the present invention will be described. FIG. 2 is a flowchart showing an operation when holding a call in the videophone apparatus of the present invention.

  First, a plurality of on-hold video data and on-hold audio data to be transmitted during a hold operation are stored as encoded data in the video memory 112 and the audio memory 111, respectively. Further, in the initial setting of the apparatus, the hold video data and the hold audio data to be sent during the hold operation are set in the send hold data setting unit 120 from among a plurality of hold data (step S101).

  When a call operation is performed by the operator in the operation unit 104 or when an incoming call is received from another terminal (step S102), the line I / F unit 117 performs call connection with a connection destination terminal (step S102). S103). Further, the terminal number of the connection destination is detected by the partner terminal detection unit 121 in the call connection (step S104).

  After the call connection is completed, a normal videophone call is started, and video / audio is transmitted / received to / from the connected videophone device (step S105). The operation when a telephone call is made is the same as the operation described in the prior art.

  If the operator performs a hold operation on the operation unit 104 during a videophone call (step S106), the videophone call is interrupted and transmission of the hold data is started. The hold data selection unit 113 determines the hold data to be sent according to the terminal number detected by the counterpart terminal detection unit 121 and the setting of the send hold data setting unit 120 (step S107). The hold data selection unit 113 reads predetermined hold video data and hold audio data from the video memory 112 and the audio memory 111 (step S108), and outputs them to the multiplexing / demultiplexing unit 116. The multiplexing / demultiplexing unit 116 multiplexes the video data and the audio data (step S109), and sends the multiplexed data to the partner videophone apparatus via the line interface unit 117 and the communication line 118 (step S110).

  Thereafter, by repeating steps S108 to S110 until the hold is released by the operator, the hold video and the hold sound are repeatedly transmitted. When the operator cancels the hold in the operation unit 104 (step S111), the normal videophone call is resumed (step S112).

  FIG. 3 is a specific example showing the correspondence between the terminal number of the other party set in the transmission hold data setting unit 120 and the hold data sent at the time of hold.

  In FIG. 3, for example, the destination “A” has a terminal number “050-xxxx-xxxx”, indicating that “video A” is selected as video data and “melody A” is selected as audio data at the time of holding. If the user wants to send out self-produced data as reserved data, “recorded video A” is set as video data and “recorded audio A” is set as audio data, like the destination “C”.

  In addition, when the other party is a terminal without a videophone function (communication terminal only for voice), only “announce B” is set as hold data like the other party “E”. Furthermore, for the other party who does not need audio during the hold, only “video C” may be set as the hold data, like the other party “F”.

  The above is the operation at the time of call holding in the videophone device of the present invention.

1 is a block diagram showing the configuration of a videophone device according to the present invention The flowchart which shows the operation | movement at the time of performing call holding in the video telephone apparatus of this invention In the videophone device of the present invention, a table showing a specific example of the correspondence between the terminal number of the other party and the hold data sent at the time of hold Block diagram showing the configuration of a conventional videophone device The flowchart which shows the operation | movement at the time of performing call holding in the conventional videophone apparatus

Explanation of symbols

101 CPU
102 ROM
103 RAM
104 operation unit 105 display unit 106 camera 107 graphic control unit 108 speaker 109 microphone 110 audio control unit 111 audio memory 112 video memory 113 reserved data selection unit 114 audio codec 115 video codec 116 multiplexing / separation unit 117 line interface unit 118 communication line 119 Control bus 120 transmission hold data setting unit 121 partner terminal detection unit

Claims (4)

  In a videophone device that transmits and receives video and audio via a communication line, means for acquiring the terminal number of the other party by call connection at the start of the call, means for storing a plurality of held data, and a specific destination Hold data setting means for presetting hold data to be sent to the other party, and when the call is on hold, a specific hold data is selected from the plurality of hold data according to the terminal number of the other party and the setting of the hold data setting means. A videophone device comprising means for sending to a destination terminal.   The hold data is composed of a plurality of hold video data and a plurality of hold audio data, and when holding a call, either the hold video data or the hold audio data or both depending on the terminal number of the other party 2. The videophone apparatus according to claim 1, further comprising means for sending a message to a counterpart terminal in accordance with the setting of the hold data setting means.   2. The videophone apparatus according to claim 1, wherein the hold data setting means includes means for independently setting the hold video data and the hold audio data to be transmitted to a specific terminal number.   2. The videophone apparatus according to claim 1, wherein the on-hold video data is the same video data as that of a response message used in an answering machine function of the videophone apparatus.

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