JP2001345922A - Communication terminal equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a radio call by means of communication terminal equipment at a place where speaking or voice output is limited or inhibited. SOLUTION: When a speaking voice detected from a voice signal in a receiving part 10 is inputted in a voice managing part 80, plural voice candidate descriptions stored in a responding voice storage part 30 are extracted and these extracted voice candidate descriptions are sent to a display part 40 and displayed as a picture. When a responding voice is selected out of the voice candidate descriptions displayed on the screen of the display part 40 by input operation in an input part 60, the responding voice candidate corresponding to the selected voice candidate description is extracted from the responding voice storage part 30, in the voice managing part 80. This extracted responding voice candidate is sent to a transmitting part 70 and transmitted to a repeater station as a voice signal.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication terminal, and more particularly, to a communication terminal having a voice communication function for transmitting / receiving a radio signal and a character display function for displaying communication information.

[0002]

2. Description of the Related Art Communication terminals typified by portable telephone terminals, PHSs and the like are intended for wireless communication on the go. Convenience and operability are improved by enriching. With the improvement of convenience etc.,
2. Description of the Related Art In recent years, since the number of users has increased rapidly, calls using a communication terminal have been made everywhere regardless of time and place.

[0003]

However, since a conventional communication by a communication terminal is performed by a user's utterance, the output of voice is prohibited or restricted in consideration of the environment and the situation. Could not be done in a nice place. Examples of places where the audio output is prohibited or restricted include libraries, on trains, during movie theater screenings, quiet restaurants, and capsule hotel bedtime.

[0004] These places, etc., eliminate noise and unpleasant sounds,
Speech output is prohibited or restricted due to the importance of a quiet atmosphere, strict observance of silence, and the like. Therefore, when a wireless call is made using a conventional communication terminal, the incoming call sound or call sound emitted from the communication terminal may cause discomfort or inconvenience to the surrounding people. I was

[0005] In addition, if the received voice is difficult to hear due to ambient noise or noise during a call by the communication terminal, it is necessary to move to a place or wait until the noise or the like subsides. Furthermore, it is difficult or impossible for a person who does not easily speak to use a communication terminal that exchanges information through voice.

The present invention has been made in view of the above circumstances, and realizes information communication in a place or situation where utterance or voice output is difficult, and in this information communication, communication in which various voices can be used. The purpose is to provide terminals.

[0007]

In order to achieve this object, a communication terminal according to a first aspect of the present invention receives a voice signal from a relay station and detects a call voice from the voice signal. And a voice output unit for outputting a call voice detected by the receiving unit, a voice input unit for inputting a response voice to the call voice, and a response voice input by the voice input unit as a voice signal to a relay station. A communication terminal having a transmitting unit for transmitting, a voice storage unit for storing a plurality of response voice candidates to be used in place of the response voice from the voice input unit, and a plurality of voice candidate expressions for characterizing the response voice candidates, When the unit receives a voice signal from the relay station,
A voice management unit that retrieves a plurality of voice candidate notations stored in the voice storage unit, a display unit that inputs and displays a plurality of voice candidate notations retrieved by the voice management unit, and a screen that is displayed on the display unit. An input operation unit for selecting a response voice from the plurality of voice candidate notations that have been selected as the response voice, and the voice management unit reads a response voice candidate corresponding to the voice candidate notation selected in the input operation unit from the voice storage unit. The transmission unit transmits the response voice extracted by the voice management unit to the relay station as a voice signal instead of the response voice from the voice input unit.

[0008] In a wireless communication in a communication terminal, a selected one of pre-stored response voice candidates is selected.
With such a configuration in which the response voice is returned as a response voice to the received voice voice, the wireless communication can be continued without the user uttering the response voice. Therefore,
Even in a place where voice output is restricted or prohibited, it is possible to avoid discomfort or inconvenience given to the surrounding people by the call voice. In addition, even a person with a disability in the vocal cords can make a wireless communication with a communication terminal without uttering a voice.

According to a second aspect of the present invention, in the communication terminal, the voice candidate notation includes a specific number for specifying each of the response voice candidates, a voice notation in which the pronunciation of the response voice candidate is expressed in characters, and / or
Alternatively, it is configured to include a content notation indicating the meaning or content indicated by the response voice candidate.

If the speech candidate notation has such a structure,
The user of the communication terminal can easily understand what pronunciation, meaning or content each of the plurality of stored response voice candidates has. For this reason, it is possible to cause a more appropriate response voice to be selected from a plurality of response voice candidates.

According to a third aspect of the present invention, in the communication terminal, the voice input unit voice-inputs a new response voice candidate to be stored in the response voice storage unit, and the voice management unit voice-inputs in the voice input unit. A new response voice candidate is received, and the received new response voice candidate is output to the response voice storage unit, and the response voice storage unit stores the new response voice candidate output from the voice management unit. is there.

When the communication terminal has such a configuration, the response voice storage unit adds the response voice candidates already stored,
A response voice candidate input by voice by a user of the communication terminal can be stored. Therefore, since the user himself / herself can also newly register words and sentences frequently used in ordinary conversation, the words and sentences can be used in wireless communication.

According to a fourth aspect of the present invention, there is provided a communication terminal for receiving a character input portion for inputting a response sentence to be a response voice, receiving the response sentence input at the character input portion, and converting the received response sentence. A synthetic sound generation unit that generates a response voice by voice synthesis is provided, and the transmission unit inputs the response voice generated by the synthetic sound generation unit and transmits the response voice to the relay station.

With such a configuration of the communication terminal, not only the response voice candidate stored in the response voice storage unit but also a response sentence that has been character-inputted and voice-synthesized can be used as a response voice. For this reason, in generating the response sentence, the character is input by the character input unit and the voice is synthesized by the synthetic voice generation unit, so that no voice is emitted outside the communication terminal. Therefore, wireless communication in a place where the voice output is restricted or prohibited is possible.

Further, the communication terminal according to the fifth aspect is configured such that the voice output unit inputs the response voice generated by the synthetic voice generation unit and outputs the input response voice as a voice. With such a configuration of the communication terminal, the user who has input the response character sentence can check the synthesized sound generated by the synthesized sound generation unit by voice output.

In the communication terminal according to a sixth aspect of the present invention, the voice management unit selects a response voice selected from the plurality of response voice candidates stored in the response voice storage unit as a response voice, A mode switching unit is provided for switching between a synthetic sound generation mode in which a character sentence is input by a character input unit and a response sentence generated by the synthetic sound generation unit is used as a response voice.

When the communication terminal is configured as described above, either of a method of selecting response voice candidates from among response voice candidates and a method of inputting characters and using a voice-synthesized response sentence are used for selecting a response voice. You can choose. Therefore, for example, when a candidate that is considered to be suitable as a response voice cannot be found among a plurality of response voice candidates,
By switching the response sentence to the response sentence by switching the mode, the wireless communication can be continued.

Further, the communication terminal according to the present invention is configured such that the voice management unit sends the response voice candidate transmitted from the relay station to the voice storage unit and stores the voice response candidate. With the voice management unit of the communication terminal having such a configuration, the response voice candidate input or generated at the relay station is received, and the received response voice candidate is stored in the voice storage unit, and the response voice candidate is stored as the response voice. Can be used.

In the communication terminal according to the present invention, the voice management unit receives the response voice input by the voice input unit, extracts the response voice candidate stored in the voice storage unit, and receives the received response voice. And a response voice candidate that has been taken out and synthesized and sent to the transmission unit. With such a configuration of the voice management unit, a response voice candidate can be synthesized as a sound effect or BGM with the response voice input from the voice input unit and transmitted to the communication terminal of the call destination.

In the communication terminal according to the ninth aspect, the voice management unit may repeatedly send the response voice candidate extracted from the voice storage unit to the transmission unit. With such a configuration of the communication terminal, a call can be produced by repeatedly transmitting, for example, music and sound effects among the response voice candidates.

[0021]

Embodiments of the present invention will be described below with reference to the drawings. [First Embodiment] First, a first embodiment of the communication terminal of the present invention will be described with reference to FIG. FIG. 2 is a block diagram showing an internal configuration of the communication terminal of the present embodiment.

As shown in FIG. 1, the communication terminal includes a receiving unit 10, an audio output unit 20, a response audio storage unit 30, a display unit 40, an input operation unit 50, an audio input unit 60, A transmission unit 70 and a voice management unit 80 are provided. here,
The receiving unit 10 receives a voice signal transmitted from a relay station (not shown), and detects a call voice from the received voice signal.

The voice signal is a carrier wave on which the communication voice input at the communication terminal of the transmission source and the individual selection data for specifying the communication terminal of the transmission destination are superimposed. The relay station includes a mobile phone terminal, a base station in a PHS wireless communication network, and the like. The voice output unit 20 outputs the voice of the call.

The response voice storage unit (voice storage unit) 30 stores a response voice candidate and a voice candidate notation attached to the response voice candidate. The response voice candidate is voice data transmitted when responding to the call voice. Examples of response voice candidate, "Good morning", "Hello", "Goodbye", "Hello", "Yes", "No", "O
K "," Thank you "," I understand ",
"I don't know", "Please give me again", "I'll call you later" and so on.

The response voice candidate may include a sound effect. Sound effects include a buzzer sound, a bell sound, a correct answer sound ("Pan-Pan"), clap sounds, cheers, animal sounds,
There are screams, thunders, sandstorm sounds, and drops of water. In addition, as the response voice candidate, the type of voice can be selected. Voice types include male voice, female voice, child voice,
There are treble and bass. Further, the response voice candidates can include voices that can be input from the voice input unit 60, for example, music, crowded sounds of stations and downtowns, and the like.

The voice candidate notation is a specific number, a voice description, or a content stored with the response voice candidate in order to specify one of the response voice candidates stored in the response voice storage unit 30. Notation. When selecting one of the plurality of response voice candidates, the voice candidate notation is displayed on the screen as a character representation of the response voice candidate that is voice data.

The specific number is a serial number assigned to the response voice candidate in the order in which the response voice candidates are stored in the response voice storage unit 30, or arbitrarily. The phonetic notation is character data in which the pronunciation of a response voice candidate, which is voice data, is represented in characters. Therefore, by displaying the phonetic notation on the screen, the pronunciation of the response voice candidate can be confirmed.

The content notation is character data representing the meaning or content of the response voice candidate. For example, when the response voice candidates are “Thank you”, “I live in XX”, and “Ping-pong”, the content description can be “Thank you”, “Address”, and “Correct sound”, respectively. Further, the content notation may be an abbreviation of character data representing the pronunciation of the response voice candidate in characters. For example, when the response voice candidate is "I will call you again later," the content description can be "Retry."

As the display unit 40, an LCD, a CRT, or a plasma display can be used, but a small LCD is desirable because the communication terminal attaches importance to portability. The input operation unit 50 includes a keyboard, a touch panel, or sheet buttons. When a keyboard is used for the input operation unit 50, scroll keys (arrow keys), return keys, and the like are used. When a touch panel is used for the input operation unit 50, the touch panel may be provided on the screen of the display unit 40.

The voice input unit 60 is composed of a voice input element represented by a microphone or the like, and inputs a voice of a call. Also,
The sound input unit 60 can also input sound by connecting to audio equipment such as a CD player, an MD player, and a radio receiver. The transmitting unit 70 transmits the response voice as a voice signal to the relay station.

The voice management unit 80 takes out the voice candidate notation stored in the response voice storage unit 30 in response to the input of the voice. In addition, the voice management unit 80 extracts a response voice candidate corresponding to the voice candidate notation selected by the input operation unit 50 from the response voice storage unit 30. Further, the voice management unit 80 receives the response voice input at the voice input unit 60 and transmits the received response voice to the transmission unit 7.
Output to 0.

The voice management unit 80 manages a mode for selecting a response voice. The modes related to the selection of the response voice include a candidate selection mode in which a response voice is selected from a plurality of response voice candidates and a voice input mode in which a voice input from the voice input unit 60 is used as a response voice. is there.

Further, the voice management section 80 repeatedly sends the response voice candidates extracted from the response voice storage section 30 to the transmission section 7.
0 can be output. With this configuration of the voice management unit 80, it is possible to produce a call by repeatedly transmitting music and sound effects (correct sounds, buzzers, claps, etc.).

Next, the operation of the communication terminal of this embodiment will be described with reference to FIG. FIG. 5 is a flowchart illustrating an operation of the communication terminal according to the present embodiment. The audio signal transmitted from the relay station is received by the receiving unit 10 (Step 10). In this receiving unit 10,
The call voice is detected from the received voice signal (step 12), and the detected call voice is sent to the voice output unit 20 and the voice management unit 80.

The voice output unit 20 outputs the voice of the input call. On the other hand, in the voice management unit 80 to which the call voice has been input, it is determined whether the candidate selection mode or the voice input mode is set among the modes related to the selection of the response voice (step 14).

In setting the mode relating to the selection of the response voice, for example, when a wireless call using the communication terminal of the present embodiment is performed in a place where utterance or voice output is restricted or prohibited, the response voice is set to voice. Since it is not possible to input from the input unit 60, a candidate selection mode in which a response voice selected from the response voice candidates stored in the response voice storage unit 30 is set as the response voice is set. In addition,
The mode relating to the selection of the response voice can be set before the reception unit 10 receives the voice signal.

When the set mode is the candidate selection mode, the voice management unit 80
Are retrieved (step 16). The extracted voice candidate notation is sent to the display unit 40 and displayed on the screen.

From the voice candidate notation displayed on the screen of the display unit 40, a response voice is selected by the input operation unit 50 and sent to the voice management unit 80 as a selection signal.
(Step 18) In the voice management unit 80, a response voice candidate corresponding to the voice candidate notation indicated by the input selection signal is taken out as a response voice from the response voice storage unit 30 and sent to the transmission unit 70.

On the other hand, when the set mode is the voice input mode (step 14), a response voice is input from the voice input unit 60 (step 20). The input response voice is sent to the transmission unit 70 via the voice management unit 80. The response voice transmitted from the voice management unit 80 is transmitted to the relay station as a voice signal in the transmission unit 70 (step 22).

When the communication terminal is configured as described above, even in a place where voice output is restricted or prohibited, or in a situation where voice communication by the communication terminal is impossible, wireless communication can be performed by character display and character input. It can be carried out.
By providing the response voice storage unit, a plurality of response voice candidates can be stored. Therefore, a response voice can be selected from the stored response voice candidates, so that the wireless communication can be continued without utterance.

[Second Embodiment] Next, a second embodiment of the communication terminal of the present invention will be described with reference to FIG. This embodiment is different from the first embodiment in that the voice management unit 80 receives a new response voice candidate input at the voice input unit 60 and stores the received new response voice candidate in the response voice storage unit. The difference is that the data is output to the memory 30 and stored. Each component of the communication terminal is the same as in FIG. 1 in the first embodiment. Therefore, detailed description of each component in FIG. 1 is omitted.

Regarding the operation of the communication terminal of the present embodiment,
This will be described with reference to FIG. By an input operation in the input operation unit 50, an input start signal of a response voice candidate is output,
And it is sent to the voice management unit 80. The voice management unit 80 that has received the input start signal enters a standby state for inputting a new response voice candidate.

Subsequently, a new response voice candidate is voice-inputted in the voice input unit 60. A new response voice candidate input by voice is sent from the voice input unit 60 to the voice management unit 80. The new response voice candidate input in the voice management unit 80 is sent to the response voice storage unit 30 and stored.

When a new response voice candidate is stored in the response voice storage unit 30, a voice candidate notation is added. The voice candidate notation may be automatically added when stored in the response voice storage unit 30 or may be input from the input operation unit 50 when a new response voice candidate is input by the user of the communication terminal. You can also.

If the communication terminal is configured as described above, not only the already stored response voice candidates but also the response voice candidates created by the user of the communication terminal himself / herself can be used as response voices for reply. Section. Therefore, it is possible to use words and phrases frequently used by the user in daily conversations and calls, or response voices created independently. For this reason, the response voice candidate can be made to correspond to more call voices.

[Third Embodiment] Next, a third embodiment of the communication terminal of the present invention will be described with reference to FIG. FIG. 1 is a block diagram illustrating an internal configuration of a communication terminal according to the present embodiment.

This embodiment is different from the first embodiment in that
The difference is that the response voice can be input in characters. That is, in the first embodiment, the response voice is selected from a plurality of response voice candidates stored in the response voice storage unit. However, in the present embodiment, not only the response voice candidate but also a character input is performed. The difference is that the response sentence is also provided as a switching unit that can be transmitted as a response voice and that switches to either a response sentence by selecting from response voice candidates or by inputting characters. Other components are the same as in the first embodiment. Therefore,
3, the same components as those in FIG. 1 are denoted by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 3, the communication terminal of the present embodiment has a character input unit 51, a synthesized sound generation unit 90, and a mode switching unit (switching unit) 81. Here, the character input unit 51 is a keyboard provided in the input operation unit 50,
Of touch panel or sheet button, kana key (or kana button) which can input characters, alphabet key, numeric keypad,
It consists of a return key.

The character data input in the character input section 51 becomes a response sentence used as a response voice.
The character input unit 51 may use an input device different from the input operation unit 50.

The synthesized speech generation section 90 synthesizes a response sentence, which is character data, into a response speech, which is speech data of a synthesized speech, by speech synthesis. Speech synthesis refers to a technology for artificially creating speech by digital signal processing. That is, the correspondence between the coded character data and the digitized voice signal or voice is stored in the storage device, and a synthesized sound is generated from the input character data based on the correspondence. .

The synthesized sound generation unit 90 includes a conventional synthesized sound generation device (Voice synthesized app).
(paratus) can be used. But,
In recent years, since the size of communication terminals has been reduced, it is desirable to use an LSI-based speech synthesis circuit.

The mode switching section 81 is provided in the voice management section 80 for managing a mode relating to selection of a response voice. The modes related to the selection of the response voice include a candidate selection mode in which the response voice selected from the response voice candidates is selected as a response voice, and a mode in which the response voice is input from the voice input unit 60.
In the present embodiment, there is a synthetic sound generation mode in which a character sentence is input by the character input unit 51 and the response sentence generated by the synthetic sound generation unit 90 is used as a response voice.

The mode switching section 81 switches two or more of the modes relating to the selection of the response voice to the input operation section 50.
Is switched according to the input operation in. If the communication terminal according to the present embodiment is provided with such a mode switching unit 81, a response voice candidate stored in the response voice storage unit 30 can be used as a response voice corresponding to the received call voice. When no character is found, the mode can be switched to transmit a response voice in which characters are input and speech is synthesized. Therefore, a response voice can be created and transmitted for any call voice without requiring the user to speak.

Next, the operation of the communication terminal of this embodiment will be described with reference to FIG. The call sound detected by the receiving unit 10 is transmitted to the sound output unit 20 and the sound management unit 8.
Output to 0. The voice output unit 20 outputs the input call voice as voice.

On the other hand, the voice management unit 8 to which the call voice has been input.
At 0, a mode relating to selection of a response voice is set by an operation on the input operation unit 50. When the set mode is a mode in which a response sentence from the character input unit 51 is used, the voice management unit 80 enters a standby state for inputting a response sentence.

Subsequently, in the character input section 51, a response sentence, which is character data, is input. The input response sentence is sent to the synthetic sound generation unit 90 via the voice management unit 80. In the synthesized speech generation unit 90, the input response sentence is speech-synthesized to generate a response speech as a synthesized speech.

The response voice generated by the synthesized voice generation unit 90 is transmitted to the transmission unit 70 via the voice management unit 80. In the transmitting section 70, the input response voice is transmitted to the relay station as a voice signal.

With this configuration of the communication terminal, even if there is no response voice candidate stored in the response voice storage unit 30 that should be a response voice, a response sentence can be input from the character input unit 51. By inputting, a response voice can be transmitted without outputting a voice.

Therefore, no matter what the content of the received call voice is, a response sentence is created by character input and transmitted as a response voice without the user of the communication terminal uttering the voice. Can be. Therefore, even in a place where the voice output is restricted or prohibited, the communication by the communication terminal can be performed.

[Fourth Embodiment] Next, a fourth embodiment of the communication terminal of the present invention will be described with reference to FIG. This embodiment is different from the first embodiment in that the voice management unit receives a response voice candidate to be sent to the voice storage unit and stored from the relay station. Other configurations are the same as in the first embodiment.

In this embodiment, as described above, the voice management unit 80 receives the response voice candidate transmitted from the relay station, and sends the received response voice candidate to the voice storage unit 30 for storage. The response voice candidate transmitted from the relay station may be input or generated at the relay station or the peripheral device, and may be a database. Alternatively, the answer voice candidate may be a call voice transmitted from a communication terminal of a call destination via a relay station.

If the communication terminal is configured as described above, the response voice candidate prepared at the relay station or the call voice transmitted from the call destination can be stored in the response voice storage unit and used as the response voice candidate. Becomes possible.

[Fifth Embodiment] Next, a fifth embodiment of the communication terminal of the present invention will be described with reference to FIG. FIG. 2 is a block diagram showing an internal configuration of the communication terminal of the present embodiment. This embodiment is different from the first embodiment in that a mixing unit is provided in a voice management unit. Other components are the same as in the first embodiment. Therefore, in FIG. 4, the same components as those in FIG. 1 are denoted by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 4, the voice management unit 80 in this embodiment has a mixing unit 82. Here, the mixing unit 82 receives the response voice input at the voice input unit 60, and
The response voice candidate stored in “0” is extracted, and the received response voice and the extracted response voice candidate are mixed and sent to the transmitting unit 70.

The response voice candidates to be mixed include:
You can select the noise of busy streets, such as stations, downtowns, and amusement parks, music, and real voices. The mixed response voice candidates are sent from the voice management unit 80 to the relay station via the transmission unit 70,
It can be sent repeatedly.

With such a configuration in which a mixing unit is provided in the communication terminal, a response voice candidate having an effect such as a sound effect or BGM is added to normal call voice and transmitted to the call destination communication terminal. can do. Even if the call is interrupted for a while, the response voice candidate is transmitted as the response voice, so that it is possible to confirm that the communication line is connected at the communication terminal of the call destination.

The communication terminal of the present invention is obtained by arbitrarily combining the communication terminals of the first, second, third, fourth and fifth embodiments. There may be.

[0068]

As described above, according to the present invention, it is possible to return a selected one of the pre-stored answer voice candidates to the received voice, so that the user can make a call. The wireless communication can be continued without generating a voice. Therefore, in a place where voice output is restricted or prohibited, it is possible to avoid discomfort or inconvenience given to surrounding people by call voice.
In addition, even a person with a disability in utterance can make a wireless communication with the communication terminal without uttering.

The response voice storage unit can store the newly input response voice candidates, thereby newly registering words and sentences frequently used by the user in ordinary conversation. In addition to this, it is possible to transmit a response voice selected from among the response voice candidates for more call voices.

Further, by providing the character input section and the synthetic sound generation section in the communication terminal, not only the response voice candidates stored in the response voice storage section but also the response sentence which is character input and voice synthesized can be converted to the response voice. It can be. Regarding the character input and the voice synthesis of the response sentence, since no voice is emitted outside the communication terminal, a wireless call can be made in a place where voice output is restricted or prohibited.

Further, the voice management unit stores the response voice candidate prepared at the relay station or the call voice transmitted from the call destination in the response voice storage unit, so that the stored response voice candidate and call voice can be stored. Can be used as a response voice.

Further, by providing a mixing section,
A response voice candidate having an effect such as a sound effect or BGM can be added to a normal call voice and transmitted to the communication terminal of the call destination. Further, even if the call is interrupted for a while, the response voice candidate is transmitted as the response voice, so that it is possible to confirm that the communication line is connected at the communication terminal of the call destination.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating an internal configuration of a communication terminal according to first, second, and fourth embodiments of the present invention.

FIG. 2 is a flowchart illustrating an operation of the communication terminal according to the first embodiment of the present invention.

FIG. 3 is a block diagram illustrating an internal configuration of a communication terminal according to a third embodiment of the present invention.

FIG. 4 is a block diagram illustrating an internal configuration of a communication terminal according to a fifth embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 10 receiving unit 20 sound output unit 30 response sound storage unit 40 display unit 50 input operation unit 51 character input unit 60 sound input unit 70 transmission unit 80 sound management unit 81 mode switching unit 82 mixing unit 90 synthesized sound generation unit

Claims (9)

[Claims] A receiving unit for receiving a voice signal from a relay station and detecting a voice signal from the voice signal; a voice output unit for outputting the voice signal detected by the receiving unit; A voice input unit for inputting a response voice for voice, and a communication terminal having a transmission unit for transmitting the response voice input at the voice input unit as a voice signal to the relay station, wherein the voice input unit A voice storage unit for storing a plurality of response voice candidates to be used in place of the response voice and a voice candidate notation for characterizing the response voice candidate; and a voice receiving unit for receiving the voice signal from the relay station. A voice management unit that retrieves the plurality of voice candidate notations stored in a storage unit, and a display unit that inputs the plurality of voice candidate notations retrieved by the voice management unit and displays the screen on a screen, An input operation unit that selects a response voice from among the plurality of voice candidate notations displayed on the screen on the display unit, wherein the voice management unit is configured to select the voice candidate notation selected on the input operation unit. A corresponding response voice candidate is retrieved as a response voice from the voice storage unit, and the transmission unit transmits the response voice extracted by the voice management unit as a voice signal instead of the response voice from the voice input unit to the relay station. A communication terminal for transmitting. 2. The voice candidate notation includes a specific number for specifying each of the response voice candidates, a voice description in which the pronunciation of the response voice candidate is represented in characters, and / or a word meaning or content indicated by the response voice candidate. 2. The communication terminal according to claim 1, wherein the communication terminal comprises a content notation. 3. The voice input unit inputs a new response voice candidate to be stored in the response voice storage unit by voice, and the voice management unit outputs the new response voice candidate input by voice in the voice input unit. And outputting the received new response voice candidate to the response voice storage unit, wherein the response voice storage unit stores the new response voice candidate output from the voice management unit. The communication terminal according to claim 1 or 2, wherein 4. A character input unit for inputting characters of a response sentence to be the response voice, receiving the response sentence input at the character input unit, and voice-synthesizing the received response sentence to generate the response voice. 4. A synthetic sound generating unit for generating, wherein the transmitting unit inputs the response sound generated in the synthetic sound generating unit and transmits the response sound to the relay station. Communication terminal. 5. The communication terminal according to claim 4, wherein the voice output unit receives the response voice generated by the synthetic voice generation unit and outputs the input response voice. . 6. A candidate selection mode in which the voice management unit sets a response voice selected from a plurality of response voice candidates stored in the response voice storage unit as a response voice, 6. The communication terminal according to claim 4, further comprising a mode switching unit that switches between a synthesized speech generation mode in which the response sentence input and generated by the synthesized speech generation unit is used as the response voice. . 7. The communication terminal according to claim 1, wherein the voice management unit sends the response voice candidate transmitted from the relay station to the voice storage unit and stores the response voice candidate. Machine. 8. The voice management unit receives the response voice input from the voice input unit, extracts a response voice candidate stored in the voice storage unit, and receives the received response voice and the extracted response voice. The communication terminal according to any one of claims 1 to 7, further comprising a mixing unit for synthesizing the voice candidate and transmitting the synthesized voice candidate to the transmission unit. 9. The communication terminal according to claim 1, wherein the voice management unit repeatedly sends the response voice candidate extracted from the voice storage unit to the transmission unit.