CN212519389U - Voice transmission equipment and Bluetooth headset - Google Patents
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Abstract
The utility model relates to a bluetooth discloses a voice transmission equipment and bluetooth headset. The voice transmission equipment comprises a low-power-consumption Bluetooth module, an audio integration module and an audio power amplifier module; the low-power-consumption Bluetooth module receives a voice signal sent by the mobile terminal and transmits the voice signal to the audio integration module through a low-power-consumption Bluetooth link; the audio integration module receives the voice signal and decodes the voice signal to obtain a decoded audio signal; the audio integration module transmits the decoded audio signal to the audio power amplification module; the audio power amplifier module plays the decoded audio signal. The utility model discloses in realize speech transmission through bluetooth low energy module, not influence mobile terminal's music broadcast and phone conversation etc. avoid pronunciation to occupy the way, adopt bluetooth low energy module to make the activation time shorten to within 10ms simultaneously, solved current speech transmission equipment and appear pronunciation when using and occupy the way and delay the start-up, influence user experience's technical problem.
Description
Technical Field
The utility model relates to a bluetooth technical field especially relates to a voice transmission equipment and bluetooth headset.
Background
Currently, some voice transmission devices are often called bluetooth talkback handsets, for example, the bluetooth talkback handsets generally adopt a classic bluetooth module to implement functions, the classic bluetooth module generally refers to a bluetooth module that supports a bluetooth protocol below 4.0, and is generally used for transmission with a large data volume, such as: transmission of higher data amounts of voice, music, etc. The classic bluetooth module can be subdivided into: conventional bluetooth and high speed bluetooth modules. The traditional bluetooth module was introduced in 2004, mainly representing a module supporting bluetooth 2.1 protocol, and has been widely used in the period of smart phone explosion. The high-speed Bluetooth module is introduced in 2009, the speed is improved to about 24Mbps, the transmission speed is eight times of that of the classic Bluetooth, and the high-speed Bluetooth module can be easily applied to data transmission from a video recorder to a television, from a PC to a PMP, and from a UMPC to a printer. The classic Bluetooth module uses A2DP protocol for voice playing and HFP protocol for recording.
The Bluetooth talkback microphone is used as an accessory product of intelligent mobile equipment such as a mobile phone, so that people can take over partial functions of the mobile phone in a wireless mode, such as making a call, listening to music and the like, and increasingly provide convenience for consumers. However, the existing Bluetooth talkback hand microphone can occupy the audio input and output channel of the mobile phone when in use, and music playing, calling and the like are transmitted and received through the Bluetooth talkback hand microphone, so that the channel can be occupied by other voices when the talkback voices exist. And above-mentioned speech transmission equipment is when using, because open HFP bluetooth recording channel and need time about 0.5 seconds, lead to beginning to talkback and need wait for a certain time, seriously influence the experience of talkbacking, can't provide further convenience and practicality for vast consumers in the true sense.
The above is only for the purpose of assisting understanding of the technical solutions of the present invention, and does not represent an admission that the above is the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a voice transmission equipment and bluetooth headset, aims at solving current voice transmission equipment and appears pronunciation when using and account for the way and postpone the start, influences user experience's technical problem.
In order to achieve the above object, the present invention provides a voice transmission device, which includes a bluetooth low energy module, an audio frequency integration module and an audio frequency power amplifier module, wherein the bluetooth low energy module is in communication connection with a mobile terminal, the bluetooth low energy module is connected with the audio frequency integration module, and the audio frequency integration module is connected with the audio frequency power amplifier module; wherein,
the low-power-consumption Bluetooth module is used for receiving a voice signal sent by the mobile terminal and transmitting the voice signal to the audio integration module through a low-power-consumption Bluetooth link;
the audio integration module is used for receiving the voice signal and decoding the voice signal to obtain a decoded audio signal;
the audio integration module is further configured to transmit the decoded audio signal to the audio power amplifier module;
and the audio power amplifier module is used for playing the decoded audio signal.
Optionally, the audio integration module includes a bluetooth transceiver, a processor, and a first audio codec, where the first audio codec is an external codec, the bluetooth transceiver is connected to the bluetooth low energy module, the bluetooth transceiver is connected to the processor, and the processor is connected to the first audio codec; wherein,
the Bluetooth transceiver is used for receiving the voice signal sent by the mobile terminal and sending the voice signal to the processor;
the processor is configured to send the voice signal to the first audio codec;
the first audio codec is configured to decode the speech signal to obtain a decoded audio signal, and transmit the decoded audio signal to the processor;
the processor is further configured to transmit the decoded audio signal to the audio power amplifier module.
Optionally, the audio power amplifier module includes a second audio codec; the second audio codec is connected with the processor; wherein,
the second audio codec is configured to receive the decoded audio signal and play the decoded audio signal.
Optionally, the audio power amplifier module further includes an audio amplifier and a speaker, the audio amplifier is connected to the second audio codec, and the audio amplifier is connected to the speaker; wherein,
the audio amplifier is used for receiving the decoded audio signal played by the second audio codec and amplifying the decoded audio signal so as to output the amplified decoded audio signal to the loudspeaker;
the loudspeaker is used for playing the amplified and decoded audio signal.
Optionally, the audio power amplifier module further includes a microphone, and the microphone is connected to the second audio codec; wherein,
the microphone is used for collecting a user voice signal and transmitting the collected user voice signal to the second audio codec;
the second audio codec is configured to receive the user speech signal and encode the user speech signal to obtain an encoded speech signal;
the second audio codec is further configured to send the encoded speech signal to the processor;
the processor is further configured to send the encoded voice signal to the bluetooth transceiver;
the Bluetooth transceiver is further configured to receive the encoded voice signal and send the encoded voice signal to the mobile terminal.
Optionally, the audio integration module includes a bluetooth transceiver and a processor, the bluetooth transceiver is connected to the bluetooth low energy module, and the bluetooth transceiver is connected to the processor; wherein,
the Bluetooth transceiver is used for receiving the voice signal sent by the mobile terminal and sending the voice signal to the processor;
the processor is used for decoding the voice signal to obtain a decoded audio signal and transmitting the decoded audio signal to the audio power amplifier module.
Optionally, the voice transmission device further includes a key module, where the key module includes a first switch, a second switch, a third switch, and a fourth switch;
the first end of the first switch is connected with the audio integration module, the second end of the first switch is grounded, the first end of the second switch is connected with the audio integration module, the second end of the second switch is grounded, the first end of the third switch is connected with the audio integration module, the second end of the third switch is grounded, the first end of the fourth switch is connected with the audio integration module, and the second end of the fourth switch is grounded.
Optionally, the voice transmission device further includes a status indication module, where the status indication module includes a first light emitting diode, a second light emitting diode, a first resistor, and a second resistor;
the anode of the first light emitting diode is connected with the audio integration module, the cathode of the first light emitting diode is connected with the first end of the first resistor, the second end of the first resistor is grounded, the anode of the second light emitting diode is connected with the audio integration module, the cathode of the second light emitting diode is connected with the first end of the second resistor, and the second end of the second resistor is grounded.
Optionally, the voice transmission device further includes a power supply circuit, wherein the power supply circuit is connected to the low power consumption bluetooth module, the audio integration module, and the audio power amplifier module, respectively.
In order to achieve the above object, the utility model discloses still provide a bluetooth headset, bluetooth headset includes as above voice transmission equipment.
The technical scheme of the utility model provides a voice transmission equipment, voice transmission equipment includes bluetooth low energy module, audio frequency integrated module and audio frequency power amplifier module, bluetooth low energy module and mobile terminal communication connection, bluetooth low energy module with the audio frequency integrated module is connected, audio frequency integrated module with the audio frequency power amplifier module is connected; the low-power-consumption Bluetooth module is used for receiving a voice signal sent by the mobile terminal and transmitting the voice signal to the audio integration module through a low-power-consumption Bluetooth link; the audio integration module is used for receiving the voice signal and decoding the voice signal to obtain a decoded audio signal; the audio integration module is further configured to transmit the decoded audio signal to the audio power amplifier module; and the audio power amplifier module is used for playing the decoded audio signal. The utility model discloses in, realize speech transmission through bluetooth low energy module, do not influence mobile terminal's music broadcast and phone conversation etc. avoid pronunciation to occupy the way, adopt bluetooth low energy module to make the activation time shorten to within 10ms simultaneously, solved current speech transmission equipment and appear pronunciation when using and occupy the way and delay the start-up, influence user experience's technical problem.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from the structures shown in these drawings without inventive effort.
Fig. 1 is a functional block diagram of an embodiment of the voice transmission apparatus of the present invention;
fig. 2 is a first schematic view of an audio integration module structure according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an audio power amplifier module according to an embodiment of the voice transmission device of the present invention;
fig. 4 is a second schematic view of an audio integration module structure according to an embodiment of the present invention;
fig. 5 is a schematic circuit diagram of a key module according to an embodiment of the voice transmission apparatus of the present invention;
fig. 6 is a schematic circuit diagram of a status indication module according to an embodiment of the voice transmission apparatus of the present invention;
fig. 7 is a schematic diagram of a power supply circuit according to an embodiment of the voice transmission apparatus of the present invention.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a voice transmission equipment.
Referring to fig. 1, in the embodiment of the present invention, the voice transmission device includes a bluetooth low energy module 100, an audio integration module 200, and an audio power amplifier module 300, the bluetooth low energy module 100 is in communication connection with a mobile terminal, the bluetooth low energy module 100 is connected with the audio integration module 200, and the audio integration module 200 is connected with the audio power amplifier module 300; wherein,
the bluetooth low energy module 100 is configured to receive a voice signal sent by the mobile terminal, and transmit the voice signal to the audio integration module 200 through a bluetooth low energy link. In this embodiment, the bluetooth low energy module 100 is in communication connection with a mobile terminal, and the mobile terminal may be a mobile phone or other wireless intelligent communication devices. For example, the bluetooth low energy module 100 is connected to a mobile phone APP, the mobile phone APP receives network data and converts the network data into a voice signal, and the voice signal is forwarded to the voice transmission device in this embodiment through the bluetooth low energy module 100.
The audio integration module 200 is configured to receive the voice signal, and decode the voice signal to obtain a decoded audio signal. In this embodiment, the audio integration module 200 may include a bluetooth transceiver, a processor, and a first audio codec, where the first audio codec is an external codec, the bluetooth transceiver is connected to the bluetooth low energy module 100, the bluetooth transceiver is connected to the processor, and the processor is connected to the first audio codec; the Bluetooth transceiver is used for receiving a voice signal sent by the mobile terminal and sending the voice signal to the processor; the processor is configured to send the voice signal to the first audio codec; the first audio codec is configured to decode the speech signal to obtain a decoded audio signal, and transmit the decoded audio signal to the processor; the processor is further configured to transmit the decoded audio signal to the audio power amplifier module.
It is easy to understand that, the bluetooth transceiver and the processor may be integrated into the same chip, or the bluetooth transceiver and the processor may be separately configured as two or more chips, the bluetooth transceiver is configured to receive and transmit voice data via bluetooth, the processor is configured to perform data parsing on the voice data, the processor and the first audio codec may be integrated into the same chip, that is, the processor may have a first audio codec built therein, the first audio codec may be an audio software codec, the first audio codec may also be an external audio software codec of the processor, and the audio software codec is configured to encode and decode voice signals.
The audio integration module 200 is further configured to transmit the decoded audio signal to the audio power amplifier module 300. In this embodiment, the audio integration module 200 may include a bluetooth transceiver, a processor and a first audio codec, the processor is connected to the audio power amplifier module 300, and the processor may transmit the decoded audio signal to the audio power amplifier module 300.
The audio power amplifier module 300 is configured to play the decoded audio signal. In this embodiment, the audio power amplifier module 300 may include a second audio codec; the second audio codec is connected with the processor; the second audio codec is configured to receive the decoded audio signal and play the decoded audio signal.
It should be noted that the audio power amplifier module 300 may further include an audio amplifier and a speaker, where the audio amplifier is connected to the second audio codec, and the audio amplifier is connected to the speaker; the audio amplifier is configured to receive the decoded audio signal played by the second audio codec, and amplify the decoded audio signal to output an amplified decoded audio signal to the speaker; the loudspeaker is used for playing the amplified and decoded audio signal.
The embodiment provides a voice transmission device, which includes a bluetooth low energy module 100, an audio integrated module 200 and an audio power amplifier module 300, where the bluetooth low energy module 100 is in communication connection with a mobile terminal, the bluetooth low energy module 100 is connected with the audio integrated module 200, and the audio integrated module 200 is connected with the audio power amplifier module 300; the bluetooth low energy module 100 is configured to receive a voice signal sent by the mobile terminal, and transmit the voice signal to the audio integration module 200 through a bluetooth low energy link; the audio integration module 200 is configured to receive the voice signal, and decode the voice signal to obtain a decoded audio signal; the audio integration module 200 is further configured to transmit the decoded audio signal to the audio power amplifier module 300; the audio power amplifier module 300 is configured to play the decoded audio signal. In this embodiment, realize voice transmission through bluetooth low energy module 100, do not influence mobile terminal's music broadcast and phone conversation etc. and avoid pronunciation to occupy the way, adopt bluetooth low energy module can make the activation time shorten to within 10ms simultaneously, solved current voice transmission equipment and appear pronunciation when using and occupy the way and delay the start, influence user experience's technical problem.
Further, referring to fig. 2, the audio integration module 200 includes a bluetooth transceiver 201, a processor MCU and a first audio codec 202, the first audio codec 202 is an external codec, the bluetooth transceiver 201 is connected to the bluetooth low energy module 100, the bluetooth transceiver 201 is connected to the processor MCU, and the processor MCU is connected to the first audio codec 202; wherein,
the bluetooth transceiver 201 is configured to receive a voice signal sent by the mobile terminal, and send the voice signal to the processor MCU;
the processor MCU is configured to send the voice signal to the first audio codec 202;
the first audio codec 202 is configured to decode the speech signal to obtain a decoded audio signal, and transmit the decoded audio signal to the processor MCU;
the processor MCU is further configured to transmit the decoded audio signal to the audio power amplifier module 300.
It should be noted that the bluetooth transceiver 201 and the processor MCU may be integrated into the same chip, the bluetooth transceiver 201 and the processor MCU may also be separately configured into two or more chips, the bluetooth transceiver 201 is configured to receive and transmit voice data through a low power consumption bluetooth technology, the processor MCU is configured to perform data analysis on the voice data, the processor MCU and the first audio codec 202 may be integrated into the same chip, that is, the processor MCU may have a first audio codec 202 built therein, the first audio codec 202 may be an audio software compression/decompression codec, the first audio codec 202 may also be an external audio software compression/decompression codec of the processor, and the audio software compression/decompression codec is configured to encode and decode voice signals.
Further, referring to fig. 3, the audio power amplifier module 300 includes a second audio codec 301; the second audio codec 301 is connected with the processor MCU; wherein,
the second audio codec 301 is configured to receive the decoded audio signal and play the decoded audio signal.
It should be noted that the second audio codec 301 may be an audio software codec, and the second audio codec 301 may also be an external audio software codec of the processor, where the audio software codec is used for encoding and decoding a voice signal.
Further, referring to fig. 3, the audio power amplifier module 300 further includes an audio amplifier 302 and a speaker 303, the audio amplifier 302 is connected to the second audio codec 301, and the audio amplifier 302 is connected to the speaker 303; wherein,
the audio amplifier 302 is configured to receive the decoded audio signal played by the second audio codec 301, and amplify the decoded audio signal to output an amplified decoded audio signal to the speaker 303;
the speaker 303 is configured to play the amplified and decoded audio signal.
It should be noted that the audio power amplifier module 300 may include an audio amplifier 302 and a speaker 303, where the audio amplifier 302 and the speaker 303 are used to amplify and play the decoded audio signal, and the audio power amplifier module 300 may also adopt other devices for amplifying signals, which is not limited in this embodiment.
Further, referring to fig. 3, the audio power amplifier module 300 further includes a microphone 304, and the microphone 304 is connected to the second audio codec 301; wherein,
the microphone 304 is configured to collect a user voice signal and transmit the collected user voice signal to the second audio codec 301;
the second audio codec 301 is configured to receive the user speech signal, and encode the user speech signal to obtain an encoded speech signal;
the second audio codec 301 is further configured to send the encoded speech signal to the processor MCU;
the processor MCU is further configured to send the encoded voice signal to the bluetooth transceiver 201;
the bluetooth transceiver 201 is further configured to receive the encoded voice signal and send the encoded voice signal to the mobile terminal.
It should be noted that the audio power amplifier module 300 may further include a microphone 304, where the microphone 304 is connected to the second audio codec 301, and the following description takes weather query as an example. The user aims at the microphone 304 to speak a user voice signal of 'how much the weather is tomorrow', the microphone 304 receives the voice command and then transmits the collected user voice signal to the second audio codec 301, the second audio codec 301 encodes the user voice signal to obtain a coded voice signal, the coded voice signal is transmitted to the processor MCU, the processor MCU transmits the coded voice signal to the bluetooth transceiver 201, and the bluetooth transceiver 201 transmits the coded voice signal to the bluetooth low energy module 100 and transmits the coded voice signal to the mobile terminal through the bluetooth low energy link.
The mobile terminal decodes the encoded voice signal and then performs voice recognition, after recognizing the voice command for inquiring weather, the mobile terminal may search weather conditions from the internet through a network search application program, convert the searched information of the weather conditions into a voice signal, for example, "sunny weather", and then transmit the voice signal to the bluetooth low energy module 100 through the bluetooth low energy link, and finally notify the user of "sunny weather is sunny" through the voice transmission device of the embodiment.
Further, referring to fig. 4, the audio integration module 200 includes a bluetooth transceiver 201 and a processor MCU, the bluetooth transceiver 201 is connected to the bluetooth low energy module 100, and the bluetooth transceiver 201 is connected to the processor MCU; wherein,
the bluetooth transceiver 201 is configured to receive a voice signal sent by the mobile terminal, and send the voice signal to the processor MCU;
the processor MCU is configured to decode the voice signal to obtain a decoded audio signal, and transmit the decoded audio signal to the audio power amplifier module 300.
It should be noted that the bluetooth transceiver 201 and the processor MCU may be integrated into the same chip, the bluetooth transceiver 201 is configured to receive and transmit voice data through a low power consumption bluetooth technology, the processor MCU is configured to perform data analysis on the voice data, the processor MCU and the first audio codec 202 may be integrated into the same chip, that is, the processor MCU may have a first audio codec 202 built therein, the first audio codec 202 may be an audio software codec, and the audio software codec is configured to encode and decode voice signals. The processor MCU is configured to decode the voice signal to obtain a decoded audio signal, and transmit the decoded audio signal to the audio power amplifier module 300.
Further, referring to fig. 5, the voice transmission apparatus further includes a key module 400, the key module 400 including a first switch SW1, a second switch SW2, a third switch SW3, and a fourth switch SW 4;
a first terminal of the first switch SW1 is connected to the audio integration module 200, a second terminal of the first switch SW1 is grounded, a first terminal of the second switch SW2 is connected to the audio integration module 200, a second terminal of the second switch SW2 is grounded, a first terminal of the third switch SW3 is connected to the audio integration module 200, a second terminal of the third switch SW3 is grounded, a first terminal of the fourth switch SW4 is connected to the audio integration module 200, and a second terminal of the fourth switch SW4 is grounded.
It should be noted that the key module 400 may include a first switch SW1, a second switch SW2, a third switch SW3 and a fourth switch SW4, and include a first switch SW1, a second switch SW2, a third switch SW3 and a fourth switch SW4, which may be used for on/off and function control, where the function control may include volume adjustment, phone answering/rejecting, song switching, pausing, music playing, etc., a user may perform various operations through the key module 400, and specific function settings may be implemented according to settings of the key module 400 and the audio integration module 200, which is not limited in this embodiment.
Further, referring to fig. 6, the voice transmission apparatus further includes a status indication module 500, the status indication module 500 including a first light emitting diode D1, a second light emitting diode D2, a first resistor R1 and a second resistor R2;
an anode of the first light emitting diode D1 is connected to the audio integration module 200, a cathode of the first light emitting diode D1 is connected to a first end of the first resistor R1, a second end of the first resistor R1 is grounded, an anode of the second light emitting diode D2 is connected to the audio integration module 200, a cathode of the second light emitting diode D2 is connected to a first end of the second resistor R2, and a second end of the second resistor R2 is grounded.
It should be noted that the status indication module 500 may include a first light emitting diode D1, a second light emitting diode D2, a first resistor R1, and a second resistor R2, and the status indication module 500 may be configured to perform low power warning, bluetooth status indication, noise reduction status indication, and the like, for example, the status indication module 500 may be configured to indicate that the current status of the voice transmission device is connected or disconnected, whether the power of the voice transmission device is too low, whether the noise reduction function of the voice transmission device is turned on, and the like, and the corresponding setting of the display status of the light emitting diodes may also be other reasonable settings, which is not limited in this embodiment.
Further, referring to fig. 7, the voice transmission device further includes a power supply circuit 600, wherein the power supply circuit 600 is respectively connected to the bluetooth low energy module 100, the audio integrated module 200, and the audio power amplifier module 300.
It should be noted that the power supply circuit 600 is respectively connected to the bluetooth low energy module 100, the audio integrated module 200, and the audio power amplifier module 300, and the power supply circuit 600 is configured to supply power to each component in the voice transmission device. The power supply circuit 600 may be connected to the processor MCU of the audio integration module 200, the processor MCU may be connected to the status indication module 500, and the status indication module 500 may be configured to perform low power warning.
In order to achieve the above object, the present invention further provides a bluetooth headset, the bluetooth headset comprising the voice transmission device as described above. The specific structure of the voice transmission device refers to the above embodiments, and since the bluetooth headset adopts all technical solutions of all the embodiments of the voice transmission device, all beneficial effects brought by the technical solutions of the embodiments of the voice transmission device are at least achieved, and are not repeated herein.
It should be noted that, in the practical application of the present invention, the software program applied to the processor is inevitable, but the applicant states here that the software program applied in the embodiment of the present invention is the prior art, and in the present application, the modification and protection of the software program are not involved, but only the protection of the hardware architecture designed for the purpose of the invention.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The voice transmission equipment is characterized by comprising a low-power-consumption Bluetooth module, an audio integrated module and an audio power amplifier module, wherein the low-power-consumption Bluetooth module is in communication connection with a mobile terminal, the low-power-consumption Bluetooth module is connected with the audio integrated module, and the audio integrated module is connected with the audio power amplifier module; wherein,
the low-power-consumption Bluetooth module is used for receiving a voice signal sent by the mobile terminal and transmitting the voice signal to the audio integration module through a low-power-consumption Bluetooth link;
the audio integration module is used for receiving the voice signal and decoding the voice signal to obtain a decoded audio signal;
the audio integration module is further configured to transmit the decoded audio signal to the audio power amplifier module;
and the audio power amplifier module is used for playing the decoded audio signal.
2. The voice transmission device of claim 1, wherein the audio integration module comprises a bluetooth transceiver, a processor, and a first audio codec, the first audio codec is an external codec, the bluetooth transceiver is connected to the bluetooth low energy module, the bluetooth transceiver is connected to the processor, and the processor is connected to the first audio codec; wherein,
the Bluetooth transceiver is used for receiving the voice signal sent by the mobile terminal and sending the voice signal to the processor;
the processor is configured to send the voice signal to the first audio codec;
the first audio codec is configured to decode the speech signal to obtain a decoded audio signal, and transmit the decoded audio signal to the processor;
the processor is further configured to transmit the decoded audio signal to the audio power amplifier module.
3. The voice transmission device of claim 2, wherein the audio power amplifier module comprises a second audio codec; the second audio codec is connected with the processor; wherein,
the second audio codec is configured to receive the decoded audio signal and play the decoded audio signal.
4. The voice transmission device according to claim 3, wherein the audio power amplifier module further comprises an audio amplifier and a speaker, the audio amplifier is connected to the second audio codec, and the audio amplifier is connected to the speaker; wherein,
the audio amplifier is used for receiving the decoded audio signal played by the second audio codec and amplifying the decoded audio signal so as to output the amplified decoded audio signal to the loudspeaker;
the loudspeaker is used for playing the amplified and decoded audio signal.
5. The voice transmission device of claim 3, wherein the audio power amplifier module further comprises a microphone, the microphone being connected to the second audio codec; wherein,
the microphone is used for collecting a user voice signal and transmitting the collected user voice signal to the second audio codec;
the second audio codec is configured to receive the user speech signal and encode the user speech signal to obtain an encoded speech signal;
the second audio codec is further configured to send the encoded speech signal to the processor;
the processor is further configured to send the encoded voice signal to the bluetooth transceiver;
the Bluetooth transceiver is further configured to receive the encoded voice signal and send the encoded voice signal to the mobile terminal.
6. The voice transmission device of claim 1, wherein the audio integration module comprises a bluetooth transceiver and a processor, the bluetooth transceiver being connected to the bluetooth low energy module, the bluetooth transceiver being connected to the processor; wherein,
the Bluetooth transceiver is used for receiving the voice signal sent by the mobile terminal and sending the voice signal to the processor;
the processor is used for decoding the voice signal to obtain a decoded audio signal and transmitting the decoded audio signal to the audio power amplifier module.
7. The voice transmission device of claim 1, further comprising a key module comprising a first switch, a second switch, a third switch, and a fourth switch;
the first end of the first switch is connected with the audio integration module, the second end of the first switch is grounded, the first end of the second switch is connected with the audio integration module, the second end of the second switch is grounded, the first end of the third switch is connected with the audio integration module, the second end of the third switch is grounded, the first end of the fourth switch is connected with the audio integration module, and the second end of the fourth switch is grounded.
8. The voice transmission device of claim 1, further comprising a status indication module comprising a first light emitting diode, a second light emitting diode, a first resistor, and a second resistor;
the anode of the first light emitting diode is connected with the audio integration module, the cathode of the first light emitting diode is connected with the first end of the first resistor, the second end of the first resistor is grounded, the anode of the second light emitting diode is connected with the audio integration module, the cathode of the second light emitting diode is connected with the first end of the second resistor, and the second end of the second resistor is grounded.
9. The voice transmission device according to any one of claims 1 to 8, further comprising a power supply circuit, wherein the power supply circuit is connected to the bluetooth low energy module, the audio integration module, and the audio power amplifier module, respectively.
10. A bluetooth headset, characterized in that the bluetooth headset comprises a voice transmission device according to any one of claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021609980.2U CN212519389U (en) | 2020-08-05 | 2020-08-05 | Voice transmission equipment and Bluetooth headset |
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| CN202021609980.2U CN212519389U (en) | 2020-08-05 | 2020-08-05 | Voice transmission equipment and Bluetooth headset |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115278473A (en) * | 2022-07-27 | 2022-11-01 | 重庆电子工程职业学院 | Bluetooth stereo system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115278473A (en) * | 2022-07-27 | 2022-11-01 | 重庆电子工程职业学院 | Bluetooth stereo system |
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