JP2011048205A - Electronic device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electronic device capable of arbitrarily adjusting the speed of output voice. <P>SOLUTION: The electronic device includes: a first voice obtaining section for obtaining first voice information; a second voice obtaining section for obtaining second voice information; a calculation section for calculating a first communication speed from first voice information obtained by the first voice obtaining section; a voice speed changing section for performing control so that the communication speed in the second voice is made closer to the first communication speed calculated by a calculation section; and a voice output section for outputting the second voice in which the communication speed is changed by the voice speed changing section. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an electronic device that outputs sound.

  Some electronic devices such as mobile phones have a function of outputting sound. Also, in such a mobile phone, the other party's voice is expanded by performing predetermined processing on the inputted other party's voice, and is slower than the other party's voice when inputted. There is one that outputs a speaker (see Non-Patent Document 1).

“Toward Universal Design of Mobile Phones—Speech Processing Technology and Image Stabilization Technology”, Fujitsu Journal, Fujitsu Limited, 2007, Volume 33, Issue 7 (September 2007 issue (302)), p. . 18

  In the invention described in Non-Patent Document 1 (Document 1 invention), the output speed when the other party's voice is expanded and output can be set in several stages. You need to choose the best one. The invention of Document 1 has a problem that when the user sets an optimum output speed, the user must repeat talking with the other party. Further, the invention of Document 1 has a problem in that one of the output speeds that can be set in several stages must be selected, and the optimum output speed for the user is not always selected.

  It is an object of the present invention to provide an electronic apparatus that can arbitrarily adjust the speed of output sound.

  The present invention provides a first sound acquisition unit that acquires first sound information, a second sound acquisition unit that acquires second sound information, and the first sound information acquired by the first sound acquisition unit. A calculation unit that calculates a first call speed from the voice, a voice speed change unit that controls the call speed of the second voice to be close to the first call speed calculated by the calculation unit, and the voice speed It is related with an electronic device provided with the audio | voice output part which outputs the 2nd audio | voice whose call speed was changed by the change part.

  Moreover, it is preferable that the said calculation part detects a call speed by calculating the speech interval which is the time length of the non-speech state between a speech and the following speech.

  Moreover, it is preferable that the said audio | voice speed change part changes the said call speed by changing the utterance interval which is the space | interval between the audio | voices in the said call.

  Moreover, it is preferable that the calculation unit detects a voice waveform in the first voice and calculates the utterance interval based on the voice waveform.

  The electronic device further includes a communication unit that performs bidirectional communication with an external electronic device disposed outside, and the second sound acquisition unit is output from the external electronic device via the communication unit. It is preferable to acquire the second audio information.

  Further, the communication unit performs telephone communication, and the second voice acquisition unit acquires the second voice information output from the external electronic device via the communication unit during a call. Is preferred.

  In addition, the electronic device may receive an end of reception of the second sound information to the second sound acquisition unit, and a reception end detection unit that detects completion of acquisition of the second sound information to the second sound acquisition unit. When the acquisition of the second voice information is detected, the second voice whose call speed is changed by the voice speed changing unit is sent to the external electronic device via the communication unit. It is preferable to further include a voice transmission unit to output.

  Further, the electronic device detects reception interruption detecting that the time length of the non-voicing state of a certain length or more is detected in the acquisition of the second sound information in the second sound acquisition unit. And the reception interruption detection unit, when it is detected that the time length of the non-speech state of a certain length or more is detected, the voice speed changing unit via the communication unit It is preferable to further include a voice transmission unit that outputs the second voice in which is changed to the external electronic device.

  According to the electronic apparatus of the present invention, the speed of the output voice can be arbitrarily adjusted.

1 is an external perspective view of a mobile phone according to a first embodiment of the present invention. It is a functional block diagram which shows the structure for the mobile telephone which concerns on 1st Embodiment to exhibit the said function. It is a flowchart which shows operation | movement of the mobile telephone of 1st Embodiment. It is a figure explaining operation | movement of the mobile telephone of 1st Embodiment. It is a functional block diagram which shows the structure for the mobile telephone which concerns on 2nd Embodiment to exhibit the said function. It is a flowchart which shows operation | movement of the mobile telephone of 2nd Embodiment. It is a figure explaining operation | movement of the mobile telephone of 2nd Embodiment.

<First Embodiment>
Hereinafter, preferred embodiments for carrying out the present invention will be described with reference to the drawings. First, the basic structure of the mobile phone 1 as an electronic apparatus according to the first embodiment of the present invention will be described with reference to FIG.
FIG. 1 is an external perspective view of a mobile phone 1 according to the first embodiment of the present invention.

The cellular phone 1 includes an operation unit side case 2 as a case, a display unit side case 3, and a hinge mechanism 4 that connects the operation unit side case 2 and the display unit side case 3.
The operation unit side body 2 includes an operation unit 11 and a microphone (first sound acquisition unit) 12 on the front surface 10. The front surface 10 of the operation unit side body 2 is a surface facing the display unit side body 3 in a state in which the cellular phone 1 is folded.
The operation unit 11 includes function setting operation keys 13 for operating various functions such as various setting functions, dictionary functions, and mail functions, input operation keys 14 for inputting numbers and characters, and determination and scrolling in various operations. And a determination operation key 15 for performing the above and the like.
The microphone 12 is used for inputting a voice uttered by the user of the mobile phone 1 during a call.
An imaging unit 46 (see FIG. 2) is provided on the rear surface (not shown) of the operation unit side body 2. The imaging unit 46 is used to acquire image information.

The display unit side body 3 includes a display unit 21 and a receiver (audio output unit) 22 on the front surface 20. The front surface 20 of the display unit side body 3 is a surface facing the operation unit side body 2 in a state in which the mobile phone 1 is folded.
The display unit 21 displays various information (character information and image information) such as the telephone number and mail address of the other party of the call and the contents of the mail. The receiver 22 outputs the voice of the other party on the call.

  The hinge mechanism 4 connects the operation unit side body 2 and the display unit side body 3 so as to move relative to each other. The mobile phone 1 relatively rotates the operation unit side body 2 and the display unit side body 3 which are connected via the hinge mechanism 4, so that the operation unit side body 2 and the display unit side body 3 are rotated. Can be in an open state (open state), or the operation unit side body 2 and the display unit side body 3 can be folded (closed state).

  The mobile phone 1 according to the present embodiment has a function of converting a call speed into a predetermined speed and outputting it. For example, when outputting a sound, it has a function of changing the utterance interval of each sound in the sound so as to coincide with a predetermined utterance interval.

Below, the structure and operation | movement for exhibiting the said function which concerns on the mobile telephone 1 are explained in full detail.
FIG. 2 is a functional block diagram showing a configuration for the mobile phone 1 according to the first embodiment to exhibit the function.

  The mobile phone 1 includes an operation unit 11, a microphone 12, a main antenna 40, an RF circuit 41, a display control unit 42, an audio processing unit 43, a memory 44, a control unit 45, an imaging unit 46, The calculation unit 51 and the voice speed changing unit 52 are provided in the operation unit side body 2. The mobile phone 1 includes a display unit 21, a receiver 22, and a driver IC 23 in the display unit side body 3.

  The microphone 12 converts the voice (first voice) uttered by the receiver (user of the mobile phone 1) into a predetermined signal and outputs it to the voice processing unit 43 and the calculation unit 51.

  The main antenna 40 communicates with an external device (such as a base station) in a predetermined use frequency band (for example, 800 MHz). In the present embodiment, the predetermined use frequency band is 800 MHz, but other frequency bands may be used.

The RF circuit 41 demodulates the signal received by the main antenna 40 and supplies the processed signal to the control unit 45. In addition, the RF circuit 41 modulates the signal supplied from the control unit 45 and transmits the signal to an external device (base station or the like) via the main antenna 40.
The main antenna 40 and the RF circuit 41 constitute a communication unit. Therefore, the mobile phone 1 performs two-way communication with an external electronic device (for example, a speaker-side telephone terminal) arranged outside by the main antenna 40 and the RF circuit 41.

  The display control unit 42 performs predetermined image processing under the control of the control unit 45 and outputs the processed image data to the driver IC 23. The driver IC 23 stores the image data supplied from the display control unit 42 in the frame memory and outputs it to the display unit 21 at a predetermined timing.

  The sound processing unit 43 performs predetermined sound processing on the signal supplied from the RF circuit 41 under the control of the control unit 45, and outputs the processed signal to the sound speed changing unit 52. In addition, the audio | voice processing part 43 which performs a predetermined | prescribed audio | voice process comprises the 2nd audio | voice acquisition part into which the audio | voice (2nd audio | voice) which the speaker (user of the speaker side telephone terminal) uttered is input.

  Further, the sound processing unit 43 processes the signal input from the microphone 12 according to the control of the control unit 45 and outputs the processed signal to the RF circuit 41. The RF circuit 41 performs a predetermined process on the signal supplied from the audio processing unit 43 and outputs the processed signal to the main antenna 40.

The memory 44 includes, for example, a working memory and is used for arithmetic processing by the control unit 45. The memory 44 stores a plurality of applications and various tables necessary for the applications. The memory 44 may also serve as a removable external memory.
The imaging unit 46 images a subject and outputs imaging data to the control unit.

  The calculation unit 51 uses the first voice, which is the voice of the receiver inputted by the microphone 12, to the utterance interval (first utterance interval) that is the time length of the non-speech state between the voice and the next voice. The call speed is detected by calculating. Specifically, the calculation unit 51 includes a voice recognition unit 511 and a voice analysis unit 512. The voice recognition unit 511 performs predetermined processing on the signal input from the microphone 12 and detects a voice waveform. The voice analysis unit 512 calculates a first utterance interval based on the voice waveform detected by the voice recognition unit 511, and outputs the calculation result to the control unit 45.

  The voice speed changing unit 52 controls the call speed of the second voice so as to approach the first call speed calculated by the calculation unit 51. For example, the voice speed changing unit 52 matches the utterance interval (second utterance interval) of each sound in the utterer's voice (second voice) with the first utterance interval calculated by the calculation unit 51. Change the call speed by changing. Note that the voice speed changing unit 52 is input with information on the call speed including information on the first utterance interval calculated by the calculation unit 51 (voice analysis unit 512) from the control unit 45. The voice speed changing unit 52 outputs the voice (signal) after changing the utterance interval to the receiver (voice output unit) 22. The receiver 22 outputs the voice of the speaker whose call speed (speech interval) has been changed by the voice speed changing unit 52.

  The control unit 45 controls the entire mobile phone 1 and is configured using a central processing unit (CPU) or the like.

Next, the operation of the mobile phone 1 according to the present embodiment will be described with reference to FIGS.
FIG. 3 is a flowchart showing the operation of the mobile phone 1 according to the first embodiment. FIG. 4 is a diagram for explaining the operation of the mobile phone according to the first embodiment.

  First, in step S11, the receiver utters a specific phrase (first voice) to the mobile phone 1 (microphone 12) during a call with the speaker (calling partner) (FIG. 4 (a)). )reference). The specific phrase may be any phrase as long as it allows the calculation unit 51 to calculate the first call speed. Therefore, the specific phrase may be, for example, the phrase “Please give me a little more slowly”.

  In step S <b> 21, the voice recognition unit 511 detects a specific word / phrase input into the mobile phone 1 by the process of step S <b> 11. This detection may be performed as follows, for example. The voice recognition unit 511 stores in advance specific text data corresponding to a specific word / phrase. Then, when a word is input via the microphone 12, the voice recognition unit 511 converts the word into text data. The voice recognition unit 511 compares the converted text data with the specific text data stored in advance, and detects that a specific word / phrase has been input when the two match.

  In step S22, the speech recognition unit 511 detects a speech waveform of a specific phrase.

In step S <b> 23, the speech analysis unit 512 calculates a sound-to-sound interval time in a specific phrase based on the speech waveform detected by the speech recognition unit 511. Specifically, when the listener utters the phrase “Please give me a little more slowly” as a specific phrase, the speech recognition unit 511, as shown in FIG. The speech interval of each sound “s”,.
In addition, when the utterance interval of each sound in a specific word is different from each other, the voice analysis unit 512 calculates an average value of the utterance interval of each sound, and calculates the average interval time of the sound and sound in the specific word. It may be an interval time.

  In step S24, the voice speed changing unit 52 is set so that the first utterance interval calculated by the voice analysis unit 512 is input via the control unit 45, and the second utterance interval becomes the first utterance interval. Is done.

  In step S <b> 25, the voice speed changing unit 52 receives the voice (signal) of the speaker that has been subjected to predetermined voice processing by the voice processing unit 43. Specifically, when the speaker utters “speak a little slowly” as a response to the receiver, a signal corresponding to “speak a little slowly” is input to the voice speed change unit 52 (see FIG. 4 (c)).

  In step S26, the voice speed changing unit 52 changes the reception speed by changing the second utterance interval based on the setting in the process of step S24. Specifically, the voice speed changing unit 52 performs the following processing. That is, the voice speed changing unit 52 detects a voice waveform by performing predetermined processing on a signal based on the voice of the speaker input from the voice processing unit 43. Further, the voice speed changing unit 52 calculates a second utterance interval based on the detected voice waveform. Then, the voice speed changing unit 52 changes the second utterance interval so that the second utterance interval matches the first utterance interval. More specifically, when the speaker utters “I speak a little slowly”, the voice speed changing unit 52, as shown in FIG. 4D, “de”, “ha”, “su” .., And the utterance interval of each sound (the interval between arrows B shown in FIG. 4D). Further, as shown in FIG. 4E, the voice speed changing unit 52 determines that the calculated utterance interval (second utterance interval) of each sound is the first utterance interval (arrow A shown in FIG. 4B). The second utterance interval is extended so as to coincide with (interval of arrow C shown in FIG. 4 (e)).

  In step S <b> 27, the receiver 22 outputs the voice of the speaker whose second utterance interval has been changed by the voice speed changing unit 52. Specifically, when the speaker utters “I will speak a little slowly”, the receiver 22 outputs a sound in which the utterance interval of each sound is extended.

According to the mobile phone 1 of the present embodiment, the following effects can be obtained.
The voice speed changing unit 52 changes the second utterance interval based on the phrase uttered by the speaker to match the first utterance interval based on the phrase uttered by the speaker. The receiver 22 outputs the voice of the speaker whose second utterance interval has been changed by the voice speed changing unit 52. Thereby, the receiver (user of the mobile phone 1) can arbitrarily adjust the speed of the voice uttered by the speaker according to the speed of the voice uttered by the receiver.

<Second Embodiment>
Next, a mobile phone 1 according to the second embodiment will be described.
Since the basic configuration of the mobile phone 1 according to the present embodiment is the same as that of the mobile phone 1 according to the first embodiment, the description thereof is omitted.

  The mobile phone 1 according to the present embodiment has a function of notifying a speaker that the second utterance interval has been changed when the second utterance interval is changed to match the first utterance interval. .

Below, the structure and operation | movement for exhibiting the said function which concerns on the mobile telephone 1 are explained in full detail.
FIG. 5 is a functional block diagram showing a configuration for the mobile phone 1 according to the second embodiment to exhibit the function.

  In addition to the configuration described with reference to FIG. 2 in the first embodiment, the mobile phone 1 further includes a reception end detection unit 53 and a voice transmission unit 54 in the operation unit side body 2.

  The reception end detection unit 53 detects that the input of the second voice to the second voice acquisition unit is finished. Specifically, the voice (signal) of the speaker who has been subjected to predetermined voice processing by the voice processing unit 43 is input to the reception end detection unit 53. The reception completion detection unit 53 performs predetermined processing on the signal input from the voice processing unit 43 to detect that the utterance of the speaker has ended. Further, when detecting the end of the utterance of the speaker, the reception end detection unit 53 determines whether the voice of the speaker whose reception speed has been changed by the voice speed change unit 52 is continuously output from the voice speed change unit 52. When it is determined that the voice of the speaker continues to be output, the reception end detection unit 53 outputs a signal representing the determination result to the voice uttering unit 54.

  When the voice transmission unit 54 detects that the input of the second voice to the second voice acquisition unit is completed by the reception end detection unit 53, the voice rate change unit 52 sets the voice interval through the communication unit. The changed second sound is output. Specifically, when a signal indicating the determination result is input from the reception end detection unit 53, the voice transmission unit 54 receives the voice of the speaker whose second utterance interval has been changed from the voice speed change unit 52. The voice transmitting unit 54 outputs the voice of the speaker whose second utterance interval is changed to the voice converting unit, and further transmits the voice to the speaker side telephone terminal via the RF circuit 41 and the main antenna 40.

  The operation unit 11, the microphone 12, the main antenna 40, the RF circuit 41, the display control unit 42, the sound processing unit 43, the memory 44, the control unit 45, the imaging unit 46, and the calculation unit 51. The audio speed changing unit 52, the display unit 21, the receiver 22, and the driver IC 23 have the same configurations as those described in the first embodiment.

Next, the operation of the mobile phone 1 according to the present embodiment will be described with reference to FIGS.
FIG. 6 is a flowchart showing the operation of the mobile phone 1 according to the second embodiment. FIG. 7 is a diagram for explaining the operation of the mobile phone 1 according to the second embodiment.

  First, in step S <b> 31, the voice recognition unit 511 detects a specific word / phrase uttered by a speaker input via the microphone 12. For example, as shown in FIG. 7A, the specific phrase is a phrase "Please give me a little more slowly."

  In step S32, the speech recognition unit 511 detects the speech waveform of a specific phrase.

  In step S <b> 33, the voice analysis unit 512 calculates a sound-to-sound utterance interval (first utterance interval) in a specific phrase based on the speech waveform detected by the speech recognition unit 511.

  In step S34, the voice speed changing unit 52 is set so that the first utterance interval calculated by the voice analysis unit 512 is input via the control unit 45, and the second utterance interval becomes the first utterance interval. Is done.

  In step S35, the control unit 45 transmits the setting information set in step S34 to the speaker side telephone terminal via the RF circuit 41 and the main antenna 40 (see FIG. 7B).

  Next, in step S51, as an internal process of the speaker side telephone terminal, the speaker side telephone terminal detects the setting information transmitted by the process of step S35.

  In step S <b> 52, the speaker side telephone terminal performs a reception standby process for the voice of the speaker whose second utterance interval transmitted based on the process of the voice transmission unit 54 in the mobile phone 1 is changed.

  In step S53, the speaker performs an utterance. For example, as shown in FIG. 7B, the utterance utters the words “I will speak a little slowly”.

  Next, in step S36, as an internal process of the mobile phone 1, the voice processing unit 43 receives the voice uttered by the speaker.

  In step S37, the voice speed changing unit 52 changes the reception speed by changing the second utterance interval based on the setting in the process of step S34.

  In step S <b> 38, the receiver 22 outputs the voice of the speaker whose second utterance interval has been changed by the voice speed changing unit 52. For example, as shown in FIG. 7C, the output sound is a sound obtained by extending the utterance interval of each sound in the word “slightly ...”.

  In step S39, the reception end detection unit 53 determines whether or not the receiver is continuing the reception when the speaker finishes speaking. When it is determined that the receiver is continuing the reception (Yes), the process proceeds to Step 40. If it is determined that the listener has finished receiving (No), the process proceeds to step S41.

  In step S40, the voice transmitting unit 54 transmits the same voice as the voice output from the receiver 22 to the speaker side telephone terminal. That is, the voice transmitting unit 54 receives the voice of the speaker whose second utterance interval has been changed from the voice speed changing unit 52. Further, the voice transmitting unit 54 outputs the voice of the speaker whose second utterance interval is changed to the voice converting unit, and transmits the voice to the speaker side telephone terminal via the RF circuit 41 and the main antenna 40.

  In step S41, the control unit 45 determines whether or not the call between the speaker and the receiver has ended. If the call has ended (Yes), the operation ends. If the call is in progress (No), the process returns to step S36.

  On the other hand, in S54, the speaker-side telephone terminal determines whether or not the mobile phone 1 continues to receive a call when the process in step S53 is completed based on the setting information detected in the process in step 51. . If the reception is ongoing (Yes), the process proceeds to step S55. If the reception has been completed (No), the process proceeds to step 56.

  In step S55, the speaker side telephone terminal receives the voice transmitted by the process of step S40 and outputs the voice. For example, as shown in FIG. 7 (d), the output sound is a sound obtained by extending the utterance interval of each sound in the word “slightly ...”.

  In step S56, the speaker side telephone terminal determines whether or not the call between the speaker and the receiver has ended. If the call has ended (Yes), the operation ends. If the call is in progress (No), the process returns to step S53.

According to the mobile phone 1 of the present embodiment, the following effects can be obtained.
The reception end detection unit 53 detects that the input of the second voice to the second voice acquisition unit is finished. When the reception end detection unit 53 detects that the input of the second voice to the second voice acquisition unit has ended, the voice transmission unit 54 transmits the voice speed change unit via the RF circuit 41 and the main antenna 40. The second sound whose utterance interval is changed by 52 is output. Thereby, the speaker can hear the utterance content that the speaker is currently listening to after the speaker's utterance is completed.

<Modification>
The present invention is not limited to the first and second embodiments, but includes modifications and improvements as long as the object of the present invention can be achieved.

  In the first and second embodiments, the mobile phone 1 has been described as an example of an electronic device, but the present invention is not limited to this. That is, the electronic device may be a personal computer, a transceiver, or the like, for example.

  In the first and second embodiments, the case where sound is input to the second sound acquisition unit via the communication unit has been described. Specifically, the sound whose utterance interval is changed is input to the sound processing unit 43 via the main antenna 40 and the RF circuit 41 during a call. However, the present invention is not limited to this case. That is, the sound in which the utterance interval of each sound is changed may be acquired by the second sound acquisition unit by downloading the sound data from the web page, and the sound data stored in the memory 44 is the second sound acquisition unit. May be obtained. In addition, after the subject is picked up by the image pickup unit 46, the sound whose voice utterance interval is changed is subjected to OCR (Optical Character Reader) processing on the imaged data to obtain text data, and predetermined processing is performed on the text data. It may be input to the second sound acquisition unit by going through a procedure of performing and converting to sound data.

  In the first and second embodiments, a so-called foldable mobile phone 1 in which the operation unit side body 2 and the display unit side body 3 relatively move via a hinge mechanism 4 as an example of an electronic device. However, it is not limited to this. In other words, a sliding type in which one casing is slid in one direction from a state in which the operation unit side casing and the display unit side casing are overlapped, or one casing centering on an axis along the overlapping direction. A rotary type in which the operation unit side housing and the display unit side housing are connected via a biaxial hinge, and the operation unit side housing and the display unit side housing are integrated. It may be one (so-called straight type) arranged in one housing.

  In the above description, when the reception end detection unit detects that the acquisition of the second voice information to the second voice acquisition unit is completed, the voice speed change unit changes the call speed via the communication unit. Although the case where the second sound is output to the external electronic device by the sound transmitting unit has been described, the present invention is not limited to this. For example, instead of the reception end detecting unit, the second sound acquiring unit may include the second sound acquiring unit. In the acquisition of voice information, a reception interruption detection unit is provided for detecting that the time length of the non-voicing state of a certain length or more is detected, and the non-voice length of a certain length or more is detected by the reception interruption detection unit. When it is detected that the time length of the state has been detected, the second voice whose call speed has been changed by the voice speed changing unit is output to the external electronic device by the voice sending unit via the communication unit. You may make it make it.

1 Mobile phone (electronic equipment)
22 receiver 40 main antenna 41 RF circuit 43 voice processing unit 45 control unit 51 calculation unit 511 voice recognition unit 512 voice analysis unit 52 voice speed change unit 53 reception end detection unit 54 voice transmission unit

Claims (8)

A first voice acquisition unit for acquiring first voice information;
A second voice acquisition unit for acquiring second voice information;
A calculation unit that calculates a first call speed from the first voice information acquired by the first voice acquisition unit;
A voice speed changing unit for controlling the call speed in the second voice to approach the first call speed calculated by the calculation unit;
An electronic device comprising: a voice output unit that outputs a second voice whose call speed has been changed by the voice speed changing unit. The electronic device according to claim 1, wherein the calculation unit detects a call speed by calculating an utterance interval that is a time length of a non-voicing state between a voice and a next voice.   The electronic device according to claim 2, wherein the voice speed changing unit changes the call speed by changing an utterance interval that is an interval between voices in the call.   The electronic device according to claim 2, wherein the calculation unit detects a voice waveform in the first voice and calculates the utterance interval based on the voice waveform. A communication unit that performs bidirectional communication with an external electronic device disposed outside;
The electronic device according to claim 1, wherein the second sound acquisition unit acquires the second sound information output from the external electronic device via the communication unit. The communication unit performs telephone communication,
The electronic device according to claim 5, wherein the second voice acquisition unit acquires the second voice information output from the external electronic device via the communication unit during a call. A reception end detection unit that detects that the acquisition of the second voice information to the second voice acquisition unit is completed;
When the reception end detection unit detects that the acquisition of the second voice information to the second voice acquisition unit is completed, the call speed is changed by the voice speed change unit via the communication unit. The electronic device according to claim 6, further comprising: an audio transmission unit that outputs the second audio to the external electronic device. In the acquisition of the second audio information in the second audio acquisition unit, a reception interruption detection unit that detects that a time length of the non-speech state of a certain length or more is detected;
When the reception interruption detection unit detects that the time length of the non-speech state of a certain length or more is detected, the voice speed change unit changes the call speed via the communication unit. The electronic device according to claim 6, further comprising: an audio transmission unit that outputs the second audio to the external electronic device.

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