JP6716397B2 - Audio processing device, audio processing method and program - Google Patents

Description

Embodiments of the present invention relate to a voice processing device, a voice processing method, and a program.

Communicating the right message in the everyday environment is very important. In particular, it is necessary to reliably deliver warnings and danger notifications in car navigation, as well as messages that should be notified in an emergency disaster broadcast without being buried in the surrounding environmental sounds, even considering future actions.

Widely used methods for alerting and warning in a car navigation system include light stimulation and addition of a buzzer sound.

JP, 2007-019980, A

However, in the prior art, attention is given by increasing the stimulus from a normal voice guide, and therefore a user such as a driver is surprised at the moment of attention. The behavior of the user after being surprised tends to be delayed, and although the stimulus is supposed to promote smooth crisis avoidance behavior, the behavior may be rather restricted.

The voice processing device of the embodiment includes a specifying unit and a modulating unit. The identifying unit identifies the emphasized portion of the voice to be output. The modulation unit is configured such that at least one of pitch and phase is different between the emphasized portion of the first sound to be output to the first output unit and the emphasized portion of the second sound to be output to the second output unit. And modulating at least one emphasized portion of the second voice.

FIG. 3 is a block diagram of the audio processing device according to the first embodiment. The figure which shows an example of arrangement|positioning of the speaker of embodiment. The figure which shows an example of a measurement result. The figure which shows the other example of arrangement|positioning of the speaker of embodiment. The figure which shows the other example of arrangement|positioning of the speaker of embodiment. The figure for demonstrating a pitch modulation and a phase modulation. The figure which shows the relationship between the phase difference (degree) and the sound pressure (dB) of a background sound. The figure which shows the relationship between a frequency difference (Hz) and the sound pressure (dB) of a background sound. The flowchart of the audio|voice output process in 1st Embodiment. The block diagram of the audio|voice processing apparatus concerning 2nd Embodiment. The flowchart of the audio|voice output process in 2nd Embodiment. The block diagram of the audio|voice processing apparatus concerning 3rd Embodiment. The flowchart of the audio|voice output process in 3rd Embodiment. 1 is a hardware configuration diagram of a voice processing device according to an embodiment.

Hereinafter, preferred embodiments of a voice processing device according to the present invention will be described in detail with reference to the accompanying drawings.

In an experiment conducted by the inventor, when a plurality of voice output devices (speakers, headphones, etc.) hear a voice having different pitches and/or phases, it is perceived regardless of the physical loudness of the voice (loudness). It has been confirmed that the clarity increases and the attention level increases. At this time, no surprising feeling is observed.

According to the idea so far, when listening to voices having different pitches or phases from each of the plurality of voice output devices, the clarity is reduced and the listening performance is deteriorated. However, as described above, in the experiment by the inventor, it was confirmed that the clarity increases and the attention level rises when listening to voices having different pitches and/or phases with the left and right ears.

This is an unprecedented new discovery, showing how the auditory sense uses both ears to perceive speech more clearly. The following embodiments are based on this discovery, and enable alertness and danger notification using the perceptual increase by the voices having different pitches and/or phases for the left and right ears.

(First embodiment)
The voice processing device according to the first embodiment modulates at least one of the pitch and the phase of the voice corresponding to the emphasized portion, and outputs the modulated voice. As a result, the attention of the user can be increased and the next operation can be smoothly performed without changing the strength of the audio signal.

FIG. 1 is a block diagram showing an example of the configuration of a voice processing device 100 according to the first embodiment. As illustrated in FIG. 1, the voice processing device 100 includes a storage unit 121, a reception unit 101, a specification unit 102, a modulation unit 103, an output control unit 104, and speakers 105-1 to 105-n (n is 2 or more).

The storage unit 121 stores various data used in the voice processing device 100. For example, the storage unit 121 stores the input text data, data indicating the emphasized portion specified from the text data, and the like. The storage unit 121 can be configured by any commonly used storage medium such as an HDD (Hard Disk Drive), an SSD (Solid State Drive), an optical disk, a memory card, and a RAM (Random Access Memory).

The speakers 105-1 to 105-n are output units that output audio according to instructions from the output control unit 104. Since the speakers 105-1 to 105-n have the same configuration, they may be simply referred to as the speakers 105 when there is no need to distinguish them. In the following, an example will be described in which at least one of the pitch and the phase is modulated between the sounds output to the two speaker sets of the speaker 105-1 (first output unit) and the speaker 105-2 (second output unit). explain. Similar processing may be applied to two or more sets.

The receiving unit 101 receives various data to be processed. For example, the reception unit 101 receives input of text data to be converted into voice and output.

The specifying unit 102 specifies an emphasized part that represents a part to be emphasized and output from the voice to be output. The emphasized portion corresponds to a portion that modulates and outputs at least one of the pitch and the phase in order to call attention and notify the danger. For example, the identifying unit 102 identifies the emphasized portion from the input text data. When the information for specifying the emphasized part is added in advance to the input text data, the specifying unit 102 can specify the emphasized part by referring to the added information (additional information). The identifying unit 102 may identify the emphasized portion by collating the text data with the data indicating the predetermined emphasized portion. The identifying unit 102 may perform both the identification based on the additional information and the identification based on the data collation. The data indicating the emphasized portion may be stored in the storage unit 121 or may be stored in a storage device external to the voice processing device 100.

The specifying unit 102 may execute an encoding process of adding information (additional information) indicating that the specified emphasized portion is emphasized to the text data. The post-modulation unit 103 can determine the emphasized portion to be modulated by referring to the additional information added in this way. The additional information may have any format as long as it can be determined that it is an emphasized portion. Further, the identifying unit 102 may store the text data subjected to the encoding process in a storage medium such as the storage unit 121. As a result, in the subsequent voice output processing, it becomes possible to use the text data to which the additional information has been added in advance.

The modulation unit 103 modulates a modulation target that is at least one of a pitch and a phase of audio to be output. For example, the modulation unit 103 may make the modulation target different between the emphasized part of the sound (first sound) output to the speaker 105-1 and the emphasized part of the sound (second sound) output to the speaker 105-2. , The modulation target of the emphasized portion of at least one voice is modulated.

In the present embodiment, the modulation unit 103 sequentially determines whether the text data is the emphasized portion when generating the voice in which the text data is converted, and performs the modulation process on the emphasized portion. That is, the modulation unit 103 converts the text data to generate a voice (first voice) to be output to the speaker 105-1 and a voice (second voice) to be output to the speaker 105-2 when the text of the emphasized portion is generated. For data, the first voice and the second voice are generated by modulating at least one of the modulation targets so that the modulation targets are different from each other.

For the processing of converting text data into speech (speech synthesis processing), any conventionally used method such as formant speech synthesis and speech corpus-based speech synthesis can be used.

When modulating the phase, the modulator 103 may invert the polarity of the signal input to one of the speaker 105-1 and the speaker 105-2. As a result, one of the speakers 105 has an opposite phase to the other, and the same function as in the case of modulating the phase of audio data can be realized.

The modulation unit 103 may confirm the integrity of the data to be processed, and may perform the modulation processing when the integrity is confirmed. For example, in the case where the additional information added to the text data has a format in which information indicating the start of the emphasized portion and information indicating the end of the emphasized portion are specified, the modulation unit 103 outputs information indicating the start and information indicating the end. The modulation processing may be performed when it is confirmed that

The output control unit 104 controls the output of sound from the speaker 105. For example, the output control unit 104 causes the speaker 105-1 to output the first sound in which the modulation target is modulated, and causes the speaker 105-2 to output the second sound. When the speakers 105 other than the speaker 105-1 and the speaker 105-2 are provided, the output control unit 104 allocates the optimum sound to each speaker 105 and outputs the sound. Each speaker 105 outputs a sound based on the output data from the output control unit 104.

The output control unit 104 calculates the output (amplifier output) to each speaker 105 using parameters such as the position and characteristics of the speaker 105. These parameters are stored in the storage unit 121, for example.

For example, when equalizing the required sound pressures in the two speakers 105, the amplifier outputs W1 and W2 to the speakers are calculated as follows. The distance between the two speakers is L1 and L2. L1 (L2) is, for example, the distance between the speaker 105-1 (speaker 105-2) and the center of the head. The distance from each speaker 105 to the nearest ear may be used. The gain of the speaker 105-1 (speaker 105-2) in the audible area of the voice used is Gs1 (Gs2). When the distance is doubled, it is reduced by 6 dB, and the amplifier output is required to be doubled to raise the sound pressure by 3 dB. In order to equalize the sound pressures in both ears, the output control unit 104 calculates and determines the amplifier outputs W1 and W2 so that the following equations hold.
−6×(L1/L2)×(1/2)+(2/3)×Gs1×W1=
−6×(L2/L1)×(1/2)+(2/3)×Gs2×W2

The accepting unit 101, the specifying unit 102, the modulating unit 103, and the output control unit 104 may be implemented by causing a processing device such as a CPU (Central Processing Unit) to execute a program, that is, by software. It may be realized by hardware such as an IC (Integrated Circuit), or may be realized by using software and hardware together.

FIG. 2 is a diagram showing an example of the arrangement of the speakers 105 of this embodiment. FIG. 2 shows an example of the arrangement of the speakers 105 when the user 205 is observed from above vertically to below. From the speaker 105-1 and the speaker 105-2, the sound subjected to the modulation processing by the modulator 103 flows. The speaker 105-1 is placed on the extension of the right ear of the user 205. The speaker 105-2 can be placed at an angle with respect to the line passing through the speaker 105-1 and the right ear.

The inventor changes the position of the speaker 105-2 along the curve 203 or the curve 204, measures the attention when a voice in which the pitch and the phase are modulated is output, and confirms the increase of the attention in any case. did. Attention was measured using evaluation criteria such as EEG (Electroencephalogram), NIRS (Near-Infrared Spectroscopy), and subjective evaluation.

FIG. 3 is a diagram showing an example of the measurement result. The horizontal axis of the graph of FIG. 3 represents the arrangement angle of the speaker 105. The arrangement angle is, for example, an angle formed by a line connecting the speaker 105-1 and the user 205 and a line connecting the speaker 105-2 and the user 205. As shown in FIG. 3, when the arrangement angle is 90° to 180°, attention is increased significantly. Therefore, it is desirable that the speakers 105-1 and 105-2 be arranged such that the arrangement angle is 90° to 180°. Since attention is detected, the arrangement angle may be smaller than 90° if the arrangement angle is larger than 0°.

The pitch or phase of the entire section of the voice may be modulated, but in this case, attention may be reduced due to habituation. Therefore, the modulator 103 modulates only the emphasized portion specified by the additional information or the like. This makes it possible to more effectively increase the attention paid to the emphasized portion.

FIG. 4 is a diagram showing another example of the arrangement of the speakers 105 of this embodiment. FIG. 4 shows an example of the arrangement of the speakers 105 installed to output outside broadcast, for example, outdoors. As shown in FIG. 3, it is desirable to use a set of speakers 105 having an arrangement angle of 90° to 180°. Therefore, in the example of FIG. 4, the sound modulation process is executed for the set of the speaker 105-1 and the speaker 105-2 arranged at the arrangement angle of 180°.

FIG. 5: is a figure which shows the other example of arrangement|positioning of the speaker 105 of this embodiment. FIG. 5 is an example in which a speaker 105-1 and a speaker 105-2 are configured as headphones.

The arrangement example of the speaker 105 is not limited to those shown in FIGS. 2, 4, and 5. Any combination of speakers may be used as long as they are arranged at an arrangement angle at which attention can be obtained as shown in FIG. For example, the present embodiment may be applied to a plurality of speakers used for car navigation.

Next, pitch modulation and phase modulation will be described. FIG. 6 is a diagram for explaining pitch modulation and phase modulation. The phase modulation outputs a signal 603 whose peak time position is changed based on the voice envelope 604 without changing the wave number within the unit time for the same envelope with respect to the original signal 601. .. The pitch modulation outputs a signal 602 whose wave number is changed.

Next, the relationship between pitch or phase modulation and audibility of voice will be described. FIG. 7 is a diagram showing the relationship between the phase difference (degree) and the sound pressure (dB) of the background sound. The phase difference represents the phase difference between the sounds output from the two speakers 105 (for example, the difference between the phase of the sound output from the speaker 105-1 and the phase of the sound output from the speaker 105-2). The sound pressure of the background sound represents the maximum value (limit sound pressure) of the sound pressure of the background sound with which the user can hear the output voice.

The background sound is a sound other than the voice output from the speaker 105. For example, ambient noise and sounds such as music output other than voice correspond to background sounds. The points indicated by the rectangles in FIG. 7 represent the average values of the obtained values. The range indicated by the line above and below this point represents the standard deviation of the values obtained.

As shown in FIG. 7, even when there is a background sound of 0.5 dB or more, if the phase difference is 60° or more and 180° or less, the user can hear the sound output from the speaker 105. You can Therefore, the modulation unit 103 may execute the modulation processing such that the phase difference is 60° or more and 180° or less. The modulator 103 may perform the modulation process so that the phase difference is 90° or more and 180° or less, or 120° or more and 180° or less, which has a higher limit sound pressure.

FIG. 8 is a diagram showing the relationship between the frequency difference (Hz) and the sound pressure (dB) of the background sound. The frequency difference represents the difference between the frequencies of the sounds output from the two speakers 105 (for example, the difference between the frequency of the sounds output from the speaker 105-1 and the frequency of the sounds output from the speaker 105-2). The points shown by the rectangles in FIG. 8 represent the average values of the obtained values. Among the numerical values "A, B" attached to the side of this point, A represents the frequency difference and B represents the sound pressure of the background sound.

As shown in FIG. 8, even if there is background sound, if the frequency difference is 100 Hz (hertz) or more, the user can hear the sound output from the speaker 105. Therefore, the modulation unit 103 may perform the modulation processing so that the frequency difference is 100 Hz or more within the audible range.

Next, a voice output process performed by the voice processing device 100 according to the first embodiment configured as described above will be described with reference to FIG. FIG. 9 is a flowchart showing an example of the audio output process in the first embodiment.

The reception unit 101 receives input of text data (step S101). The identifying unit 102 determines whether or not additional information is added to the text data (step S102). If not added (step S102: No), the identifying unit 102 identifies the emphasized portion from the text data (step S103). For example, the identifying unit 102 identifies the emphasized portion by collating the input text data with the data indicating the predetermined emphasized portion. The identifying unit 102 adds the additional information indicating the emphasized portion to the emphasized portion of the corresponding text data (step S104). The method of adding the additional information may be any method as long as the modulator 103 can specify the emphasized portion.

After the additional information is added (step S104), and when the additional information is added to the text data (step S102: Yes), the modulation unit 103 outputs the voice corresponding to the text data, which is the emphasized part. For the text data, voices (first voice, second voice) are generated by modulating the modulation targets so that the modulation targets are different from each other (step S105).

The output control unit 104 determines the sound to be output for each speaker 105 and outputs the determined sound (step S106). Each speaker 105 outputs sound according to an instruction from the output control unit 104.

As described above, in the voice processing device according to the first embodiment, at least one of the pitch and the phase of the voice is modulated for the text data corresponding to the emphasized portion while generating the voice corresponding to the text data. , Output the modulated voice. This makes it possible to increase the user's attention without changing the strength of the audio signal.

(Second embodiment)
In the first embodiment, when the text data is sequentially converted into speech, the text data of the emphasized portion is subjected to the modulation process. The voice processing device according to the second embodiment generates a voice for text data, and then performs a modulation process on the voice corresponding to the emphasized portion of the generated voice.

FIG. 10 is a block diagram showing an example of the configuration of the voice processing device 100-2 according to the second embodiment. As illustrated in FIG. 10, the voice processing device 100-2 includes a storage unit 121, a reception unit 101, a specification unit 102, a modulation unit 103-2, an output control unit 104, and speakers 105-1 to 105-. n and the generation unit 106-2.

The second embodiment differs from the first embodiment in that the function of the modulator 103-2 and the addition of the generator 106-2 are added. Other configurations and functions are the same as those in FIG. 1, which is a block diagram of the audio processing device 100 according to the first embodiment, and therefore, the same reference numerals are given and the description thereof is omitted here.

The generation unit 106-2 generates a voice corresponding to the text data. For example, the generation unit 106-2 converts the input text data into a voice (first voice) output to the speaker 105-1 and a voice (second voice) output to the speaker 105-2.

The modulation unit 103-2 performs a modulation process on the emphasized part of the sound generated by the generation unit 106-2. For example, the modulation unit 103-2 emphasizes at least one of the first voice and the second voice so that the target to be modulated differs between the emphasized portion of the generated first sound and the emphasized portion of the generated second sound. Modulates the tonal object of a part.

Next, a voice output process performed by the voice processing device 100-2 according to the second embodiment having the above configuration will be described with reference to FIG. FIG. 11 is a flowchart showing an example of the voice output process in the second embodiment.

Since steps S201 to S204 are the same as steps S101 to S104 in the voice processing apparatus 100 according to the first embodiment, description thereof will be omitted.

In the present embodiment, when text data is input, a voice generation process (voice synthesis process) by the generation unit 106-2 is executed. That is, the generation unit 106-2 generates a voice corresponding to the text data (step S205).

After the additional information is added (step S204) and when the additional information is added to the text data (step S202: Yes), the modulator 103-2 extracts the emphasized part from the generated voice (step S202: Yes). Step S206). For example, the modulation unit 103-2 identifies the emphasized portion of the text data by referring to the additional information, and determines the emphasized portion of the voice corresponding to the emphasized portion of the identified text data from the correspondence between the text data and the generated voice. To extract. The modulation unit 103-2 executes a modulation process on the emphasized portion of the extracted voice (step S207). The modulation unit 103-2 does not perform modulation processing on the sound other than the emphasized portion.

Since step S208 is similar to step S106 in the voice processing apparatus 100 according to the first embodiment, its description is omitted.

As described above, in the voice processing device according to the second embodiment, after generating the voice corresponding to the text data, at least one of the pitch and the phase of the emphasized portion of the voice is modulated, and the modulated voice is output. This makes it possible to increase the user's attention without changing the strength of the audio signal.

(Third Embodiment)
In the first and second embodiments, text data is input, the text data is converted to voice and output. Such an embodiment is applicable, for example, when outputting text data for a predetermined emergency disaster broadcast. On the other hand, a situation in which the voice uttered by the user is output for emergency disaster broadcast may be considered. The voice processing device according to the third embodiment inputs a voice from a voice input device such as a microphone and performs a modulation process on an emphasized portion of the input voice.

FIG. 12 is a block diagram showing an example of the configuration of the audio processing device 100-3 according to the third embodiment. As illustrated in FIG. 12, the voice processing device 100-3 includes a storage unit 121, a reception unit 101-3, a specification unit 102-3, a modulation unit 103-3, an output control unit 104, and a speaker 105-. 1 to 105-n and a generation unit 106-2.

In the third embodiment, the functions of the reception unit 101-3, the identification unit 102-3, and the modulation unit 103-3 are different from those in the second embodiment. Other configurations and functions are the same as those in FIG. 10 which is a block diagram of the voice processing device 100-2 according to the second embodiment, and therefore, the same reference numerals are given and description thereof is omitted here.

The receiving unit 101-3 receives not only text data but also voice input from a voice input device such as a microphone. Further, the reception unit 101-3 receives the designation of the emphasized portion of the input voice. For example, the accepting unit 101-3 accepts the pressing of a predetermined button by the user as a designation indicating that the voice input after pressing is a portion to be emphasized. The receiving unit 101-3 may receive the designation of the start and end of the emphasized portion as the designation indicating that the voice input from the start to the end is the emphasized portion. The designation method is not limited to these, and any method may be used as long as it can determine the emphasized portion of the voice. In the following, the designation of the emphasized portion of the voice may be referred to as a trigger.

The specifying unit 102-3 further has a function of specifying the emphasized part of the sound based on the received designation (trigger).

The modulation unit 103-3 performs a modulation process on the voice generated by the generation unit 106-2 or the voice of the emphasized portion of the input voice.

Next, a voice output process performed by the voice processing device 100-3 according to the third embodiment having the above configuration will be described with reference to FIG. FIG. 13 is a flowchart showing an example of audio output processing in the third embodiment.

The reception unit 101-3 determines whether or not voice input has priority (step S301). The voice input priority is a designation indicating that voice is input and output instead of text data. For example, when the button for designating the voice input priority is pressed, the reception unit 101-3 determines that the voice input priority is given.

The method of determining whether the voice input has priority is not limited to this. For example, the determination may be made by referring to the information stored in advance indicating whether the voice input has priority. If text data is not input but only voice input is performed, it is not necessary to specify or determine voice input priority (step S301). In this case, the additional process (step S306) based on the text data, which will be described later, may not be executed.

When the voice input has priority (step S301: Yes), the reception unit 101-3 receives the voice input (step S302). The identifying unit 102-3 determines whether or not the designation (trigger) of the portion to emphasize the voice is input (step S303).

When the trigger has not been input (step S303: No), the identifying unit 102-3 identifies the emphasized portion of the voice (step S304). For example, the identifying unit 102-3 compares the input voice with the voice data registered in advance, and identifies a voice that matches or is similar to the registered voice data as an emphasized portion. The identifying unit 102-3 may identify the emphasized portion by collating the text data obtained by voice-recognizing the input voice with the data indicating the predetermined emphasized portion.

When it is determined that the trigger is input in step S303 (step S303: Yes), and after the emphasized portion is specified in step S304, the specifying unit 102-3 sets the input voice data to Additional information indicating the emphasized portion is added (step S305). The method of adding the additional information may be any method as long as it can be determined that the voice is the emphasized portion.

When it is determined in step S301 that the voice input is not prioritized (step S301: No), a text-based addition process is executed (step S306). This processing can be realized by the same processing as, for example, steps S301 to S305 in FIG.

The modulator 103-3 extracts the emphasized part from the generated voice (step S307). For example, the modulation unit 103-3 refers to the additional information and extracts the emphasized portion of the voice. When step S306 is executed, the modulation section 103-3 extracts the emphasized part by the same processing as step S206 of FIG.

Since steps S308 to S309 are the same as steps S207 to S208 in the audio processing device 100-2 according to the second embodiment, description thereof will be omitted.

As described above, in the voice processing device according to the third embodiment, the emphasized portion of the input voice is specified by a trigger or the like, at least one of the pitch and the phase of the emphasized portion of the voice is modulated, and the modulated voice is output. To do. This makes it possible to increase the user's attention without changing the strength of the audio signal.

As described above, according to the first to third embodiments, by modulating and outputting at least one of the pitch and the phase of the voice, the attention of the user is increased without changing the intensity of the voice signal. It becomes possible.

Next, a hardware configuration of the voice processing device according to the first to third embodiments will be described with reference to FIG. FIG. 14 is an explanatory diagram showing a hardware configuration example of the voice processing device according to the first to third embodiments.

The audio processing devices according to the first to third embodiments include a control device such as a CPU (Central Processing Unit) 51, a storage device such as a ROM (Read Only Memory) 52 and a RAM (Random Access Memory) 53, and a network. A communication I/F 54 for connecting to each other for communication, and a bus 61 for connecting each unit.

The voice processing device according to the first to third embodiments is a computer or an embedded system, and has any configuration of a device such as a personal computer and a microcomputer, or a system in which a plurality of devices are network-connected. May be. Further, the computer in the present embodiment is not limited to a personal computer, and includes an arithmetic processing unit and a microcomputer included in information processing equipment, and is a generic term for equipment or devices capable of realizing the functions in the present embodiment by a program. There is.

The programs executed by the voice processing devices according to the first to third embodiments are provided by being pre-installed in the ROM 52 or the like.

The program executed by the audio processing device according to the first to third embodiments is a file in an installable format or an executable format, which is a CD-ROM (Compact Disk Read Only Memory), a flexible disk (FD), a CD. -Recorded in a computer-readable recording medium such as R (Compact Disk Recordable), DVD (Digital Versatile Disk), USB flash memory, SD card, EEPROM (Electrically Erasable Programmable Read-Only Memory) and provided as a computer program product. It may be configured to be performed.

Furthermore, the program executed by the voice processing device according to the first to third embodiments is stored in a computer connected to a network such as the Internet and is configured to be provided by being downloaded via the network. Good. Further, the programs executed by the voice processing devices according to the first to third embodiments may be provided or distributed via a network such as the Internet.

The program executed by the voice processing device according to the first to third embodiments can cause a computer to function as each unit of the above-described voice processing device. In this computer, the CPU 51 can read the program from the computer-readable storage medium onto the main storage device and execute the program.

Although some embodiments of the present invention have been described, these embodiments are presented as examples and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and the gist of the invention, and are also included in the invention described in the claims and an equivalent range thereof.

100, 100-2, 100-3 Audio processing device 101 Reception part 102, 102-3 Specific part 103, 103-2, 103-3 Modulation part 104 Output control part 105 Speaker 106-2 Generation part 121 Storage part

Claims (8)

From the input text data, the emphasized part of the voice to be output is specified based on the additional information added to the text data, and when the additional information is not added to the text data, the text data is predetermined. And a specifying unit for specifying the emphasized portion by collating with the data indicating the emphasized portion ,
The first voice and the first voice to be output to the first output unit, the first voice and the emphasized portion of the second voice to be output to the second output unit, so that at least one of the pitch and the phase is different. A modulator for modulating the emphasized portion of at least one of the second sounds,
Voice processing apparatus comprising a. Prior Symbol modulator section, the a first speech and said second speech corresponding to the text data, the as least one of the pitch and phase of the emphasis is different, the first speech and said second speech Generating at least one of the emphasized portion of the first voice and the second voice,
The audio processing device according to claim 1. Further comprising a generation unit that generates the first voice and the second voice corresponding to the input text data,
Prior Symbol modulator section, between the generated first said emphasis and generated the highlighted portions of the second audio in a voice, so that at least one of the pitch and the phase is different, the first speech And modulating the emphasized portion of at least one of the second sounds,
The audio processing device according to claim 1. The modulation unit is configured such that the difference between the phase of the emphasized portion of the first sound and the phase of the emphasized portion of the second sound is 60° or more and 180° or less, so that the first sound and the first sound. Modulating the phase of the emphasized portion of at least one of the two sounds,
The audio processing device according to claim 1. The modulation unit controls the first voice and the second voice so that the difference between the frequency of the emphasized portion of the first voice and the frequency of the emphasized portion of the second voice is 100 hertz or more. Modulating the pitch of at least one of the highlighted portions,
The audio processing device according to claim 1. The modulator modulates the phase of the emphasized portion of at least one of the first voice and the second voice by inverting the polarity of a signal input to the first output unit or the second output unit,
The audio processing device according to claim 1. From the input text data, the emphasized part of the voice to be output is specified based on the additional information added to the text data, and when the additional information is not added to the text data, the text data is predetermined. A specific step of identifying the emphasized portion by collating with the data indicating the emphasized portion ,
The first voice and the first voice to be output to the first output unit, the first voice and the emphasized portion of the second voice to be output to the second output unit, so that at least one of the pitch and the phase is different. A modulation step of modulating the emphasized portion of at least one of the second sounds;
Voice processing method, including. Computer,
From the input text data, the emphasized part of the voice to be output is specified based on the additional information added to the text data, and when the additional information is not added to the text data, the text data is predetermined. And a specifying unit for specifying the emphasized portion by collating with the data indicating the emphasized portion ,
The first voice and the first voice to be output to the first output unit, the first voice and the emphasized portion of the second voice to be output to the second output unit, so that at least one of the pitch and the phase is different. A modulator for modulating the emphasized portion of at least one of the second sounds,
Program to function as.

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