CN105657607A - voice terminal device - Google Patents

Abstract

A sound terminal device comprises a wireless communication unit, an earphone, a sound processing unit, a first microphone, a second microphone, an audio adjusting unit and a control unit. The wireless communication unit is used for connecting to an electronic device. The sound processing unit is coupled to the wireless communication unit and the earphone to receive a first playing audio signal and drive the earphone. The audio adjusting unit is coupled to the sound processing unit, the first microphone and the second microphone, and provides a second playing audio signal to the sound processing unit according to a user sound response parameter. The control unit is coupled to the wireless communication unit, the sound processing unit and the audio adjusting unit and is used for setting the wireless communication unit, the sound processing unit and the audio adjusting unit according to an operation mode of the sound terminal device.

Description

Voice terminal

technical field

The present invention relates to a sound terminal device, in particular to a sound terminal device with wireless communication function.

Background technique

With the advancement of communication technology, wireless headset microphones have been widely used, such as Bluetooth headsets, and mobile communication devices (such as mobile phones) can conduct voice conversations through wireless headset microphones. However, the wireless headset does not adjust the sound broadcast according to the user's environment and sound response, that is to say, it is not optimized for the user's use environment, so that the user may be in a high-volume use environment, which will affect the user's sound quality. hearing. Therefore, how to make the wireless earphone microphone more suitable for long-term wear and broaden the user group is a development focus of the wireless earphone microphone.

Contents of the invention

The invention provides a sound terminal device, which can make the wireless earphone microphone more suitable for long-term wearing, and can broaden the user groups.

The audio terminal device of the present invention includes a wireless communication unit, an earphone, an audio processing unit, a first microphone, a second microphone, an audio adjustment unit and a control unit. The wireless communication unit is used for connecting to an electronic device. The sound processing unit is coupled to the wireless communication unit and the earphone, and is used for providing a transmission audio signal to the wireless communication unit and receiving a first playing audio signal from the wireless communication unit, and driving the earphone. The first microphone is used to extract a first voice of a user. The second microphone is used for extracting a second sound outside the user. The audio adjustment unit is coupled to the sound processing unit, the first microphone and the second microphone, and is used for receiving the first playing audio signal, and providing a second playing audio signal to the sound processing unit according to a user voice response parameter. The control unit is coupled to the wireless communication unit, the sound processing unit, and the audio adjustment unit for initializing the wireless communication unit, the sound processing unit, and the audio adjustment unit, and setting the wireless communication unit, the sound processing unit, and the audio adjustment unit according to an operation mode of the audio terminal device. Audio adjustment unit.

In an embodiment of the present invention, the operation mode of the voice terminal device is preset as a dialogue mode, wherein the control unit sets the voice processing unit to provide an echo cancellation reference signal to the audio adjustment unit and sets the audio adjustment unit to follow the echo cancellation reference The signal, the first sound, and the user's voice response parameters adjust the second sound to perform a noise suppression to provide a second playing audio signal, and the sound processing unit drives the earphone according to the second playing audio signal.

In one embodiment of the present invention, when the wireless communication unit receives a music playing signal from the electronic device, the wireless communication unit sends a music notification signal to the control unit, so that the operation mode of the audio terminal device is switched to a music playing mode, The control unit sets the wireless communication unit to provide the first playing audio signal according to the music playing signal, and sets the sound processing unit to drive the earphone according to the first playing audio signal.

In one embodiment of the present invention, when the wireless communication unit receives a call reception signal from the electronic device, the wireless communication unit sends a call notification signal to the control unit, so that the operation mode of the voice terminal device is switched to a call mode, wherein The control unit sets the wireless communication unit to provide the first playing audio signal according to the received call signal, and sets the sound processing unit to transmit the first playing audio signal to the audio adjustment unit so as to adjust the first playing audio signal according to the user’s voice response parameters. The first playback audio signal is sent back to the sound processing unit to drive the earphone. And, the control unit sets the sound processing unit to provide an echo cancellation reference signal to the audio adjustment unit and sets the audio adjustment unit to perform noise suppression after adjusting the first sound according to the echo cancellation reference signal and the second sound to provide a second playback audio signal, And the sound processing unit provides the transmission audio signal to the wireless communication unit according to the second playback audio signal to provide a call transmission signal to the electronic device.

In an embodiment of the present invention, the voice terminal device further includes a storage unit for storing user voice response parameters.

In one embodiment of the present invention, when the wireless communication unit is connected to the electronic device and the user's voice response parameter has not been updated for a preset time, the control unit connects to a database through the electronic device to update the user's voice response parameter.

In an embodiment of the present invention, when the user's voice response parameter has not been updated for a preset time, the control unit plays a prompt voice through the earphone.

In an embodiment of the present invention, when the user's voice response parameter has not been updated for a preset time, the control unit plays a prompt screen through the electronic device.

In an embodiment of the present invention, the wireless communication unit includes a Bluetooth communication chip.

In an embodiment of the present invention, the audio adjustment unit includes an audio digital signal processor.

Based on the above, in the audio terminal device of the embodiment of the present invention, the audio adjustment unit can adjust the first playback audio signal and the second playback audio signal by the user's voice response parameters, so that the wireless earphone microphone can be more suitable for long-term wear, and can be widely used. user groups.

Description of drawings

FIG. 1 is a system diagram of a voice terminal device according to an embodiment of the present invention.

FIG. 2 is a schematic diagram of an audio terminal device operating in a dialogue mode according to an embodiment of the present invention.

FIG. 3 is a schematic diagram of an audio terminal device operating in a music playing mode according to an embodiment of the present invention.

FIG. 4 is a schematic diagram of an audio terminal device operating in a call mode according to an embodiment of the present invention.

Description of reference numerals: 10: electronic device; 100: audio terminal device; 110: wireless communication unit; 120: audio processing unit; 130: audio adjustment unit; 140: control unit; 150: storage unit; EP1: earphone; MC1: The first microphone; MC2: the second microphone; NTC: call notification signal; NTM: music notification signal; PIN: initialization parameter; PVR: user voice response parameter; SAP1, SAP1x, SAP1': the first playback audio signal; SAP2: SAT: transmit audio signal; SCR: call receive signal; SCT: call transmit signal; SECR: echo cancellation reference signal; SM: music play signal; VC1: first sound; VC2: second sound.

detailed description

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail together with the accompanying drawings.

FIG. 1 is a system diagram of a voice terminal device according to an embodiment of the present invention. Please refer to FIG. 1, in this embodiment, the sound terminal device 100 includes a wireless communication unit 110, a sound processing unit 120, an audio adjustment unit 130, a control unit 140, a storage unit 150, an earphone EP1, a first microphone MC1 and a second microphone MC2, wherein the wireless communication unit 110 includes, for example, a bluetooth communication chip, the audio adjustment unit 130 includes, for example, an audio digital signal processor (AudioDSP), and the control unit includes, for example, a microcontroller (MCU). The storage unit 150 is used for storing the user voice response parameter PVR. The wireless communication unit 110 is used to connect to an electronic device 10 to receive the music playing signal SM or the call reception signal SCR, or transmit the call transmission signal SCT to the electronic device 10, wherein the electronic device 10 is a mobile phone, for example.

The sound processing unit 120 is coupled to the wireless communication unit 110, the audio adjustment unit 130, and the earphone EP1 to provide and transmit the audio signal SAT to the wireless communication unit 110, receive the first playback audio signal SAP1 from the wireless communication unit 110, and provide the first playback The audio signal SAP1x and the echo cancellation reference signal SECR are sent to the audio adjusting unit 130 , receives the second playing audio signal SAP2 from the audio adjusting unit 130 , and drives the earphone EP1 according to the first playing audio signal SAP1 or the second playing audio signal SAP2 .

The audio adjustment unit 130 is coupled to the first microphone MC1 and the second microphone MC2, so as to extract the user's first voice VC1 through the first microphone MC1, and extract the user's second voice VC2 (such as the interlocutor) through the second microphone MC2. sound or ambient sound). For example, the first microphone MC1 is disposed close to the user and facing the user's mouth, and the second microphone MC2 is disposed away from the user and facing away from the user's mouth.

Moreover, the audio adjustment unit 130 is coupled to the sound processing unit 130 to receive the first playing audio signal SAP1x and the echo cancellation reference signal SECR. The audio adjustment unit 130 is controlled by the control unit 140 to adjust one of the first playing audio signal SAP1x, the first sound VC1 and the second sound VC2 according to the user voice response parameter PVR. The audio adjustment unit 130 generates the second playing audio signal SAP2 according to the adjusted first sound VC1 or the second sound VC2 , or returns the adjusted first playing audio signal SAP1 .

The control unit 140 is coupled to the wireless communication unit 110, the sound processing unit 120, the audio adjustment unit 130 and the storage unit 150, and is used for initializing the wireless communication unit 110, the sound processing unit 120 and the audio adjustment unit 130 after obtaining the initialization parameter PIN from the storage unit. Moreover, the control unit 140 sets the wireless communication unit 110 , the sound processing unit 120 and the audio adjustment unit 130 according to the operation mode of the audio terminal device 100 . In addition, in an embodiment of the present invention, the user voice response parameter PVR can be written into the storage unit 150 through the control unit 140 .

According to the above, since the first playback audio signal SAP1' and the second playback audio signal SAP2 are adjusted according to the user's voice response parameter PVR, the wireless earphone microphone can be more suitable for long-term wear, and the user group can be broadened.

FIG. 2 is a schematic diagram of an audio terminal device operating in a dialogue mode according to an embodiment of the present invention. When referring to FIG. 1 and FIG. 2 , the same or similar components serve the same or similar functions, and unused signals are not marked to simplify the illustration. In this embodiment, it is assumed that the audio terminal device 100 is preset to operate in a dialogue mode, that is, the function of a hearing aid, and after the wireless communication unit 110, the sound processing unit 120, and the audio adjustment unit 130 are initialized, the wireless communication unit 110 can be Connect to electronic device 10 .

When the operation mode of the audio terminal device 100 is a dialogue mode, the audio transmission path is shown as the path TX1. Further, the control unit 140 sets the sound processing unit 120 to provide the echo cancellation reference signal SECR to the audio adjustment unit 130, and sets the audio adjustment unit 130 according to the echo cancellation reference signal SECR, the first sound V1 and the user voice response parameter PVR Noise suppression is performed after adjusting the second sound V2 to provide the second playing audio signal SAP2 to the sound processing unit 120, and the sound processing unit 120 drives the earphone EP1 according to the second playing audio signal SAP2. Wherein, the audio adjustment unit 130 reduces or eliminates the echo of the second sound V2 according to the echo cancellation reference signal SECR, and adjusts according to the first sound V1 to prevent the user's voice from covering the interlocutor's voice (that is, the voice outside the user). ).

FIG. 3 is a schematic diagram of an audio terminal device operating in a music playing mode according to an embodiment of the present invention. When referring to FIG. 1 and FIG. 3 , the same or similar components serve the same or similar functions, and unused signals are not marked to simplify the illustration. In this embodiment, it is assumed that the audio terminal device 100 is preset to operate in a dialogue mode, that is, the function of a hearing aid, and after the wireless communication unit 110, the audio processing unit 120, and the audio adjustment unit 130 are initialized, the wireless communication unit 110 Connectable to electronic device 10 .

Next, when the wireless communication unit 110 receives the music playing signal SM from the electronic device 10, the wireless communication unit 110 sends the music notification signal NTM to the control unit 140, so that the operation mode of the audio terminal device 100 is switched to a music playing mode, wherein the audio The receive path of is shown as path RX1. At this time, the control unit 140 sets the wireless communication unit 110 to provide the first playing audio signal SAP1 according to the music playing signal SM, and sets the sound processing unit 120 to drive the earphone EP1 according to the first playing audio signal SAP1.

FIG. 4 is a schematic diagram of an audio terminal device operating in a call mode according to an embodiment of the present invention. When referring to FIG. 1 and FIG. 4 , the same or similar components serve the same or similar functions, and unused signals are not marked to simplify the illustration. In this embodiment, it is assumed that the audio terminal device 100 is preset to operate in a dialogue mode, that is, the function of a hearing aid, and after the wireless communication unit 110, the audio processing unit 120, and the audio adjustment unit 130 are initialized, the wireless communication unit 110 can be connected to the electronic device 10 .

When the wireless communication unit 110 receives the call reception signal SCR from the electronic device 10, the wireless communication unit 110 sends a call notification signal NTC to the control unit 140, so that the operation mode of the audio terminal device 100 is switched to the call mode, wherein the audio transmission path is as follows: The path TX2 is shown, and the audio receiving path is shown as path RX2. As shown in path RX2, the control unit 140 sets the wireless communication unit 110 to provide the first playback audio signal SAP1 according to the call reception signal SCR, and sets the sound processing unit 120 to transmit the first playback audio signal SAP1 to the audio adjustment unit 130, so as to The first playing audio signal SAP1x is adjusted according to the user's voice response parameter PVR, and the adjusted first playing audio signal SAP1' is sent back to the sound processing unit 120 to drive the earphone EP1.

As shown in path TX2, the control unit 140 sets the sound processing unit 120 to provide the echo cancellation reference signal SECR to the audio adjustment unit 130, and sets the audio adjustment unit 130 to adjust the first sound VC1 according to the echo cancellation reference signal SECR and the second sound VC2 Afterwards, noise suppression is performed to provide a second playing audio signal SAP2, wherein adjusting the first sound VC1 according to the second sound VC2 can eliminate the ambient sound. Moreover, the sound processing unit 120 provides the transmission audio signal SAT to the wireless communication unit 110 according to the second playback audio signal SAP2 to provide the call transmission signal SCT to the electronic device 10 .

In the above-mentioned embodiment, the music play signal SM, the call reception signal SCR and the call transmission signal SCT are, for example, digital wireless signals, and transmit the audio signal SAT, the first play audio signal SAP1x, the echo cancellation reference signal SECR, and the user voice response parameter PVR , the initialization parameter PIN, and the second playing audio signal SAP2 are, for example, digital line signals, and the first playing audio signal SAP1, the first sound VC1, the second sound VC2, and the first playing audio signal SAP1' are, for example, analog line signals, but this The embodiments of the invention are not limited thereto. In addition, the music notification signal NTM and the call notification signal NTC may be analog signals or digital signals, but the embodiments of the present invention are not limited thereto. Moreover, when the music playing signal SM or the call reception signal SCR is not received, the wireless communication unit 110 can notify the control unit 140 through the music notification signal NTM and the call notification signal NTC, so that the operation mode of the audio terminal device 100 is switched back to the conversation mode .

Moreover, in some user groups, there may be hearing-impaired users, so the user's voice response parameter PVR is regularly updated and stored in the database. Therefore, in some embodiments, the audio terminal device 100 may prompt the user or automatically connect to the database for updating. Further, when the wireless communication unit 110 is connected to the electronic device 10 and the user voice response parameter PVR has not been updated for a preset time (for example, 3 months), the control unit 140 can connect to the above data through the electronic device 10 library to update the user voice response parameter PVR; when the user voice response parameter PVR has not been updated after a preset time, the control unit 140 plays a prompt voice through the earphone EP1; or, when the user voice response parameter PVR has passed a preset time When the preset time has not been updated, the control unit 140 can play a reminder screen through the electronic device 10 .

To sum up, in the audio terminal device of the embodiment of the present invention, the audio adjustment unit can adjust the first playback audio signal and the second playback audio signal according to the user's voice response parameters, so that the wireless earphone microphone can be more suitable for long-term wear, and The user group can be broadened. Moreover, the audio adjustment unit can reduce or eliminate the echoes of the first sound and the second sound according to the echo cancellation reference signal, and can prevent the user's voice from covering the interlocutor's voice (that is, the user's external voice) by adjusting according to the first sound. the sound of). Furthermore, the control unit can decide whether to automatically update or prompt the user according to whether the user's voice response parameter has not been updated for a preset time, so as to avoid the hearing effect being affected by the aging of hearing.

Although the present invention has been disclosed as above with the embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the technical field can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be defined by the claims.

Claims (10)

1. A sound terminal device, comprising: a wireless communication unit for connecting to an electronic device; a headset; a sound processing unit, coupled to the wireless communication unit and the earphone, for providing a transmission audio signal to the wireless communication unit and receiving a first playing audio signal from the wireless communication unit, and driving the earphone; a first microphone, used to extract a first voice of a user; a second microphone for picking up a second sound outside the user; An audio adjustment unit, coupled to the sound processing unit, the first microphone, and the second microphone, for receiving the first playing audio signal, and providing a second playing audio signal to the sound processing unit according to a user voice response parameter sound processing unit; and A control unit, coupled to the wireless communication unit, the sound processing unit, and the audio adjustment unit, for initializing the wireless communication unit, the sound processing unit, and the audio adjustment unit, and setting according to an operation mode of the audio terminal device The wireless communication unit, the sound processing unit and the audio adjustment unit are determined. 2. The voice terminal device according to claim 1, wherein the operation mode of the voice terminal device is preset as a dialogue mode, wherein the control unit sets the voice processing unit to provide an echo cancellation reference signal to the an audio adjustment unit and setting the audio adjustment unit to adjust the second sound according to the echo cancellation reference signal, the first sound and the user voice response parameters to perform a noise suppression to provide the second playback audio signal, and the sound The processing unit drives the earphone according to the second playing audio signal. 3. The audio terminal device according to claim 2, wherein when the wireless communication unit receives a music playing signal from the electronic device, the wireless communication unit sends a music notification signal to the control unit, so that the The operation mode of the sound terminal device is switched to a music playing mode, wherein the control unit sets the wireless communication unit to provide the first playing audio signal according to the music playing signal, and sets the sound processing unit to provide the first playing audio signal according to the first playing audio signal. signal to drive the headset. 4. The voice terminal device according to claim 2, wherein when the wireless communication unit receives a call reception signal from the electronic device, the wireless communication unit sends a call notification signal to the control unit, so that the The operation mode of the voice terminal device is switched to a call mode, wherein the control unit sets the wireless communication unit to provide the first play audio signal according to the call reception signal, and sets the sound processing unit to transmit the first play audio signal to the audio adjustment unit to adjust the first playback audio signal according to the user’s voice response parameters, the adjusted first playback audio signal is sent back to the sound processing unit to drive the earphone, and the control unit sets the sound processing The unit provides an echo cancellation reference signal to the audio adjustment unit and sets the audio adjustment unit to perform the noise suppression after adjusting the first sound according to the echo cancellation reference signal and the second sound to provide the second playback audio signal, and The sound processing unit provides the transmission audio signal to the wireless communication unit according to the second playback audio signal to provide a call transmission signal to the electronic device. 5. The voice terminal device as claimed in claim 1, further comprising a storage unit for storing the user voice response parameters. 6. The voice terminal device according to claim 5, wherein when the wireless communication unit is connected to the electronic device and the user voice response parameter has not been updated for a preset time, the control unit passes the The electronic device is connected to a database to update the user voice response parameter. 7. The voice terminal device according to claim 5, wherein when the user voice response parameter has not been updated for a preset time, the control unit plays a prompt voice through the earphone. 8. The voice terminal device according to claim 5, wherein when the user's voice response parameter has not been updated for a preset time, the control unit plays a prompt screen through the electronic device. 9. The audio terminal device according to claim 1, wherein the wireless communication unit comprises a Bluetooth communication chip. 10. The audio terminal device as claimed in claim 1, wherein the audio adjustment unit comprises an audio digital signal processor.