JP2008124972A - Communication system, communication method, and mobile terminal device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a communication system capable of outputting, to a receiving side, audio corresponding to a key operation at a transmitting side. <P>SOLUTION: A transmitting-side communication terminal 1 includes a transmitting-side control unit 32 which generates key information indicative of a depressed key in a key input speech state during which the key information indicative of the depressed key is transmitted to a receiving-side communication terminal 2; and a transmitting-side radio unit 33 which transmits the key information to the receiving-side communication terminal 2 via a communication network. The receiving-side communication terminal 2 includes: a receiving-side memory unit 36 which stores audio data made to correspond to predetermined key information; a receiving-side radio unit 34 which receives the key information from the transmitting-side communication terminal 1 via the communication network; and a receiving-side control unit 36 which reads audio data made to correspond to key information received by the receiving-side radio unit 34 from the receiving-side memory unit 36, converts the audio data into an audio signal and outputs it to a receiver 37. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a communication system, a communication method, and a mobile terminal device that realizes a voice call based on text, in which a receiver communication terminal outputs a voice based on an operation performed on a transmitter communication terminal.

  Mobile phones are used in a variety of calling methods. For example, a normal call using only a mobile phone, an earphone call in which a microphone and an earphone having a receiver function are connected to the mobile phone, and a call is made using the microphone and the earphone, Bluetooth (registered trademark) built in the mobile phone There are call methods such as a Bluetooth call for making a call by pairing a module and a Bluetooth kit, and a hands-free call for making a call without holding a mobile phone.

  Patent Document 1 describes a portable terminal device that outputs the contents of an electronic mail by voice.

  Patent Document 2 describes an information communication device that transmits text information input by operating a key or the like to a receiving side, and the receiving side converts the text information into a voice and outputs it.

JP 2001-156703 A (paragraphs 0021 to 0036, FIG. 1) Japanese Patent Laying-Open No. 2004-129174 (paragraphs 0012 to 0013, FIG. 5)

  When making a call using a conventional communication terminal, the user needs to make his / her mouth as close as possible to the microphone and speak into the microphone. Then, the voice collected by the microphone is converted into a voice signal, the voice signal is converted into a digital signal by the conversion unit, and the digital signal is transmitted to the communication terminal on the receiving side by the radio unit.

  Further, in the communication terminal on the receiving side, the radio unit receives the digital signal, the conversion unit converts the digital signal into an audio signal, and the receiver converts the audio signal into audio and outputs it.

  Therefore, in a call using a conventional communication terminal, the voice cannot be transmitted to the other party unless the microphone is used. When the communication terminal is a mobile phone, a microphone is used for users who are in trains, who cannot talk in a meeting, who cannot speak or who cannot speak because of a disaster. There is a problem that a telephone call cannot be made if it breaks down.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a communication system, a communication method, and a mobile terminal device that can output a sound corresponding to a key operation on the transmitting side to the receiving side.

  The invention described in Patent Document 1 is an invention related to electronic mail, and the portable terminal device according to the invention cannot realize a voice call based on text information during a call.

  Moreover, the information communication apparatus described in Patent Document 2 transmits text information to the receiver side. Here, in general, the amount of text information indicating the character of the voice to be output to the receiver side is large. For this reason, when text information is transmitted using the information communication device described in Patent Document 2, it takes time to transmit the text information, and thus there is a problem that a call cannot be made in real time. Also, it is not possible to switch to a state where text information is utilized during a call.

  A communication system according to the present invention is a communication system in which a second communication terminal outputs sound based on information transmitted from a first communication terminal via a communication network. In accordance with the operation performed, a transition is made from a voice call state in which voice information based on the input voice is transmitted to the second communication terminal to a key input call state in which key information indicating the pressed key is transmitted to the second communication terminal. And transmitting side control means for generating key information indicating the pressed key in the key input call state, and key information for transmitting the key information to the second communication terminal via the communication network in the key input call state. The second communication terminal includes a storage means for storing voice data associated with predetermined key information, and key information from the first communication terminal via the communication network. Receiving key information receiving means, and receiving side control means for reading out voice data associated with the key information received by the key information receiving means from the storage means, converting it into a voice signal, and outputting it to a speaker. Features.

  The storage means is voice data associated with the key information, and stores voice data of characters corresponding to the key information, and the receiver side control means is associated with the key information received by the key information receiving means. Audio data may be read from the storage means, converted into an audio signal, and output to a speaker.

  The transmitting side control means may generate key information indicating a combination of keys pressed within a predetermined time in a key input call state.

  The transmitting side control means generates key information indicating a combination of keys pressed within a predetermined time in a key input call state, and the storage means is voice data associated with the key information, The voice data of the character or sentence corresponding to the information is stored, and the receiving side control means reads the voice data associated with the key information received by the key information receiving means from the storage means, converts it into a voice signal and converts it into a speaker. May be output.

  The sending side control means generates key information indicating a key combination pressed within a predetermined time in a key input call state, and the storage means is associated with the key information of the key combination indicating an emergency call. The voice data of the sentence corresponding to the emergency call is stored, and the receiver control means reads the voice data associated with the key information received by the key information receiving means from the storage means, It may be converted into a signal and output to a speaker.

  A communication method according to the present invention is a communication method in which a second communication terminal outputs sound based on information transmitted from a first communication terminal via a communication network, and the first communication terminal is operated by a user. In accordance with the operation performed, a transition is made from a voice call state in which voice information based on the input voice is transmitted to the second communication terminal to a key input call state in which key information indicating the pressed key is transmitted to the second communication terminal. And a key information generating step for generating key information indicating the pressed key in the key input call state, and the first communication terminal transmits the key information to the second communication via the communication network in the key input call state. A key information transmitting step for transmitting to the terminal, a key information receiving step for the second communication terminal to receive key information from the first communication terminal via the communication network, and a second communication terminal. The voice data associated with the key information received in the key information receiving step is read from the storage means for storing the voice data associated with the predetermined key information, converted into a voice signal and output to the speaker. And a side control step.

  A mobile terminal device according to the present invention is a mobile terminal device that communicates with another terminal device via a wireless line, and includes an operation means for a user to input information and an audio signal corresponding to the audio input by the user. A voice input means for outputting, a voice output means for outputting voice according to the voice signal, and a means for performing modulation processing based on the input signal, in response to a switching request input to the operation means during a voice call, Instead of a voice signal input from the voice input means, a voice processing means using a signal corresponding to the voice instruction information input to the operation means as an input signal, and voice data corresponding to the signal corresponding to the voice instruction information are stored. Storage means, voice instruction information detection means for detecting a signal corresponding to the voice instruction information from the received signal, and voice data corresponding to the signal corresponding to the voice instruction information detected by the voice instruction information detection means Read from the storage unit, a sound signal based on the read audio data, characterized in that a control unit for outputting to the audio output means.

  According to the present invention, it is possible to cause the second communication terminal to output a sound corresponding to a key operation performed on the first communication terminal.

  When the sending side control means is configured to generate key information indicating a combination of keys pressed within a predetermined time in a key input call state, according to a combination of a plurality of pressed keys. The key information is generated, and the second communication terminal can output the voice of characters or sentences based on the voice data associated with the key information.

  When the storage means is configured to store voice data associated with key information of a key combination indicating an emergency call and to store voice data of a sentence corresponding to the emergency call, the first communication The user of the terminal can tell the user of the second communication terminal that he / she wants to contact the police or the fire department without speaking out.

  Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing a configuration example of a communication system according to the present invention.

  In the example shown in FIG. 1, the transmission side communication terminal (first communication terminal) 1 is a transmission side control unit (transmission side control means) that outputs input key information and an instruction to transmit the key information. ) 32 and a transmission side radio unit (key information transmission means) 33 that transmits key information via a communication network in response to an instruction from the transmission side control unit 32.

  In the example shown in FIG. 1, the receiver communication terminal (second communication terminal) 2 receives the key information transmitted from the transmitter communication terminal 1 via the communication network (key information reception). Means) 34, a reception side memory unit (storage unit) 36 for storing voice data associated with the key information, and voice data corresponding to the key information received by the reception side radio unit 34 from the reception side memory unit 36. A reception side control unit (reception side control means) 35 that calls (reads out), converts it into a voice signal, and outputs it to a receiver (speaker) 37 as a voice output means for outputting a sound corresponding to the voice signal. Further, the transmission side communication terminal 1 includes a microphone (not shown) as a voice input unit that outputs a voice signal corresponding to a voice inputted by the user.

  FIG. 2 is an external view showing an external appearance example of the transmission side communication terminal 1. In this example, it is assumed that the transmitting communication terminal 1 is a mobile phone. As shown in FIG. 2, the transmitting communication terminal 1 is provided with a wireless antenna unit 13 and a main LCD unit 14 in a first housing 11. As shown in FIG. 2, the transmission side communication terminal 1 includes a second casing 19, a key input call switching key 18, a numeric keypad unit 17, a microphone sound hole 12, an operation unit 16, An end call key 20 is provided. Further, as shown in FIG. 2, the first housing 11 and the second housing 19 are connected by a hinge portion 15. Key 18, numeric keypad 17, operation unit 16, and end key 20 are included in the operation means.

  When the key input call switching key 18 is pressed during a voice call (voice call state), the transmission side control unit 32 transmits key information corresponding to an operation performed on the numeric keypad unit 17 to the reception side communication terminal 2. To the key input call state.

  Further, when the key input call switching key 18 is pressed in the key input call state, the transmission side control unit 32 transmits audio information based on the audio input to the microphone sound hole 12 to the reception side communication terminal 2. Transition to a voice call state.

  Further, the transmission side control unit 32 ends the communication with the reception side communication terminal 2 when the call end key 20 is pressed in the voice call state or the key input call state.

  FIG. 3 is a flowchart for explaining the operation of the transmitting communication terminal 1 in the voice call system according to the present invention.

  The transmission side control unit 32 of the transmission side communication terminal 1 transmits to the reception side communication terminal 2 via the transmission side wireless unit 33 when a transmission operation is performed on the operation unit 16 or the numeric keypad unit 17. When the receiver communication terminal 2 responds, the transmitter controller 32 of the transmitter communication terminal 1 transitions to a voice call state (step S101), and the voice information based on the voice input to the microphone sound hole 12 Is transmitted to the receiver communication terminal 2 via the transmitter wireless unit 33.

  The transmitting side control unit 32 of the transmitting side communication terminal 1 is in a voice call state, when the key input call switching key 18 is not pressed (N in Step S102), and when the end key 20 is not pressed (Step S103). N) The voice call state is continued (step S101).

  When the switch request is input by pressing the key input call switch key 18 in the voice call state (Y in Step S102), the transmitter side control unit 32 of the transmitter side communication terminal 1 is in the key input call state. (Step S201). Then, the transmission side control unit 32 of the transmission side communication terminal 1 generates key information corresponding to the operation performed on the numeric keypad unit 17, and the generated key information and the key information are transmitted to the transmission side wireless unit 33. Output instructions for sending.

  Specifically, the transmission side control unit 32 is output from the transmission side control unit 32 in place of the voice signal input from the microphone (not shown in FIG. 1) to the transmission side radio unit 33. A switching instruction is issued so as to switch so as to input the received signal. Then, a DTMF (Dual Tone Multi Frequency) signal corresponding to the key information is output to the transmission side radio unit 33. When the transmission side radio unit 33 receives the switching instruction, the transmission side radio unit 33 switches the input signal from the voice signal from the microphone to the signal from the transmission side control unit 32. The transmitter wireless unit 33 transmits key information to the receiver communication terminal 2 via the communication network. The transmitter radio unit 33 includes a voice processing unit that performs modulation processing based on an input signal such as a voice signal.

  The receiver radio unit 34 of the receiver communication terminal 2 receives the key information transmitted by the transmitter communication terminal 1 via the communication network. When the reception side radio unit 34 detects that the DTMF signal has been received, the reception side radio unit 34 outputs key information corresponding to the received DTMF signal to the reception side control unit 35. The receiver side control unit 35 calls the voice data corresponding to the key information received by the receiver side radio unit 34 from the receiver side memory unit 36, converts it into a voice signal, and outputs it to the receiver 37. The receiver 37 converts the input sound signal into sound and outputs the sound.

  The transmitting side control unit 32 of the transmitting side communication terminal 1 is in the key input call state, and the key input call switching key 18 is not pressed (N in Step S202), and the call end key 20 is not pressed (Step S203). N), the key input call state is continued (step S201).

  When the key input call switching key 18 is pressed in the key input call state (Y in step S202), the transmission side control unit 32 of the transmission side communication terminal 1 transitions to the voice call state (step S101).

  The transmission side control unit 32 of the transmission side communication terminal 1 performs the process when the call end key 20 is pressed in the voice call state or the key input call state (Y in step S103 or Y in step S203). End (execute call termination processing).

  FIG. 4 is an explanatory diagram for explaining a key input call between the transmission side communication terminal 1 and the reception side communication terminal 2.

  Note that the receiver side memory unit 36 of the receiver communication terminal 2 stores the voice data “A” in association with the key information “11”, and “I” is associated with the key information “12”. ”Is stored, and voice data“ Please call an ambulance ”is stored in association with the key information“ 119 ”.

  When the “1” key in the numeric keypad 17 of the transmitter communication terminal 1 is pressed twice within a predetermined time in the key input call state, the transmitter controller 32 sends to the transmitter radio unit 33 It is instructed to transmit key information indicating “11”, which is a combination of “1” and “1”, to the receiving communication terminal 2. The transmitter radio unit 33 transmits key information indicating “11” to the receiver communication terminal 2. The key information indicating “11” is, for example, a digital signal encoded to indicate “11” in binary.

  When the receiver wireless unit 34 receives the key information indicating “11” transmitted from the transmitter communication terminal 1, the receiver controller 35 associates the key information indicating “11” with “ The voice data “a” is called from the reception side memory unit 36, converted into a voice signal, and output to the receiver 37. The receiver 37 outputs “A” voice.

  In the key input call state, when the “1” key in the numeric keypad portion 17 of the transmission side communication terminal 1 is pressed and then the “2” key is pressed within a predetermined time, the transmission side control unit 32 It instructs the talker side radio unit 33 to transmit key information indicating “12”, which is a combination of “1” and “2”, to the receiver side communication terminal 2. The transmitter radio unit 33 transmits key information indicating “12” to the receiver communication terminal 2.

  When the receiver radio unit 34 receives the key information indicating “12” transmitted from the transmitter communication terminal 1, the receiver controller 35 associates the key information indicating “12” with “12”. Is received from the receiver-side memory unit 36, converted into a voice signal, and output to the receiver 37. The receiver 37 outputs the voice “I”.

  In the key input call state, when the “1” key in the numeric keypad portion 17 of the transmission side communication terminal 1 is pressed twice and then the “9” key is pressed once within a predetermined time, the transmission side The control unit 32 instructs the transmitting wireless unit 33 to transmit key information indicating “119”, which is a combination of “1”, “1”, and “9”, to the receiving communication terminal 2. The transmitter radio unit 33 transmits key information indicating “119” to the receiver communication terminal 2.

  When the receiver radio unit 34 receives the key information indicating “119” transmitted from the transmitter communication terminal 1, the receiver controller 35 associates the key information indicating “119” with “ Call the ambulance "voice data from the receiver memory unit 36, convert it into a voice signal, and output it to the receiver 37. The receiver 37 outputs a voice “Please call an ambulance”.

  In the present embodiment, the transmitting communication terminal 1 transmits key information corresponding to the performed operation to the receiving communication terminal 2, and the receiving communication terminal 2 outputs sound corresponding to the received key information. Therefore, even in a situation where the user of the transmitting communication terminal 1 cannot make a sound, the receiving communication terminal 2 can output the sound.

  Further, in the present embodiment, the transmitting communication terminal 1 transmits key information corresponding to the performed operation to the receiving communication terminal 2, so that when transmitting voice information or characters corresponding to the performed operation Since the amount of data to be transmitted is small compared to the case of transmitting information indicating the data, the data transmission time is short. Therefore, the user of the transmitting communication terminal 1 can smoothly make a key input call with the user of the receiving communication terminal 2.

  The receiver memory unit 36 is associated with key information indicating an emergency call other than “119” (for example, “110”) and other voice data (for example, “Please call the police”). ) May be stored. In such a configuration, the user of the transmitting communication terminal 1 may request an emergency call to the user of the receiving communication terminal 2 even when the user cannot speak. it can.

  The receiver-side memory unit 36 may store voice data associated with predetermined key information and corresponding to the user of the transmitter communication terminal 1 and the user of the receiver communication terminal 2. In the case of such a configuration, it is possible to cause the receiving communication terminal 2 to output a sound corresponding to each user of the communication system according to the present invention.

  In the present embodiment, a mobile phone which is an example of a mobile terminal device is illustrated as the transmitting communication terminal 1, but the receiving communication terminal 2 may also be a mobile terminal device such as a mobile phone. In that case, the mobile terminal device may have both the function of the transmitting communication terminal 1 and the function of the receiving communication terminal 2.

  In the present embodiment, the transmission side communication terminal 1 is described as a mobile phone. However, the present invention is not limited to this, and any device having a data transmission function capable of key input operation can be used. That's fine. Specifically, for example, one or both of the transmission side communication terminal 1 and the reception side communication terminal 2 is a portable terminal device such as a PHS (Personal Handyphone System) terminal, a PDA (Personal Data Assistant, Personal Digital Assistant). Alternatively, it may be a telephone connected to a public telephone line, a personal computer, a facsimile machine or the like.

  The present invention can be applied to a communication system that outputs voice to the other communication terminal without inputting the voice to one communication terminal.

It is a block diagram which shows the example of 1 structure of the communication system by this invention. It is an external view which shows the external appearance example of a transmission side communication terminal. It is a flowchart explaining the operation | movement of a transmission side communication terminal. It is explanatory drawing explaining the key input call of a transmission side communication terminal and a receiving side communication terminal.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Transmission side communication terminal 2 Reception side communication terminal 11 1st housing | casing 12 Microphone sound hole 13 Wireless antenna part 14 Main LCD part 15 Hinge part 16 Operation part 17 Numeric keypad part 18 Key input call switch key 19 2nd housing | casing 20 End-of-call key 32 Sending side control unit 33 Sending side radio unit 34 Receiving side radio unit 35 Receiving side control unit 36 Receiving side memory unit 37 Receiver

Claims (7)

In the communication system in which the second communication terminal outputs sound based on the information transmitted by the first communication terminal via the communication network.
The first communication terminal is
Key input for transmitting key information indicating a pressed key to the second communication terminal from a voice call state in which voice information based on the input voice is transmitted to the second communication terminal according to an operation performed by the user A transmission side control means for generating key information indicating a pressed key in the key input call state by transitioning to a call state;
Key information transmission means for transmitting key information to the second communication terminal via the communication network in the key input call state;
The second communication terminal is
Storage means for storing voice data associated with predetermined key information;
Key information receiving means for receiving key information from the first communication terminal via the communication network;
And a receiving side control unit that reads out voice data associated with the key information received by the key information receiving unit from the storage unit, converts the voice data into a voice signal, and outputs the voice signal to a speaker. The storage means is voice data associated with the key information, and stores voice data of characters corresponding to the key information,
The communication system according to claim 1, wherein the receiving side control unit reads out the voice data associated with the key information received by the key information receiving unit from the storage unit, converts the voice data into a voice signal, and outputs the voice signal to the speaker. The communication system according to claim 2, wherein the transmitting side control means generates key information indicating a combination of keys pressed within a predetermined time in a key input call state. The transmission side control means generates key information indicating a combination of keys pressed within a predetermined time in a key input call state,
The storage means is voice data associated with the key information, and stores voice data of characters or sentences corresponding to the key information,
The communication system according to claim 1, wherein the receiving side control unit reads out the voice data associated with the key information received by the key information receiving unit from the storage unit, converts the voice data into a voice signal, and outputs the voice signal to the speaker. The transmitting side control means generates key information indicating a combination of keys pressed within a predetermined time in the key input call state,
The storage means is voice data associated with key information of a key combination indicating an emergency call, and stores voice data of a sentence corresponding to the emergency call,
The communication system according to claim 1, wherein the receiving side control means reads voice data associated with the key information received by the key information receiving means from the storage means, converts the voice data into a voice signal, and outputs the voice signal to the speaker. In the communication method in which the second communication terminal outputs sound based on the information transmitted by the first communication terminal via the communication network.
The second communication terminal receives key information indicating a pressed key from a voice call state in which the first communication terminal transmits voice information based on the input voice to the second communication terminal according to an operation performed by the user. A key information generation step of generating key information indicating a pressed key in the key input call state, transitioning to a key input call state to be transmitted to the communication terminal;
A key information transmission step in which the first communication terminal transmits key information to the second communication terminal via the communication network in the key input call state;
A key information receiving step in which the second communication terminal receives key information from the first communication terminal via the communication network;
The second communication terminal reads out the voice data associated with the key information received in the key information receiving step from the storage means for storing the voice data associated with the predetermined key information, and converts the voice data into the voice signal. A receiving side control step of converting and outputting to a speaker. In a mobile terminal device that communicates with other terminal devices via a wireless line,
Operation means for the user to input information;
Voice input means for outputting a voice signal corresponding to the voice input by the user;
Audio output means for outputting audio in accordance with the audio signal;
A means for performing a modulation process based on an input signal, which is input to the operation means in place of a voice signal input from the voice input means in response to a switching request input to the operation means during a voice call. A voice processing means having a signal corresponding to the voice instruction information as an input signal;
Storage means for storing voice data corresponding to a signal corresponding to the voice instruction information;
Voice instruction information detecting means for detecting a signal corresponding to the voice instruction information from the received signal;
A controller that reads out voice data corresponding to a signal corresponding to the voice instruction information detected by the voice instruction information detection unit from the storage unit and outputs a voice signal based on the read voice data to the voice output unit; Mobile terminal device.

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