CN220528203U - Charging bin and multi-microphone audio transmission system - Google Patents
Charging bin and multi-microphone audio transmission system Download PDFInfo
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- CN220528203U CN220528203U CN202321755586.3U CN202321755586U CN220528203U CN 220528203 U CN220528203 U CN 220528203U CN 202321755586 U CN202321755586 U CN 202321755586U CN 220528203 U CN220528203 U CN 220528203U
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Abstract
The utility model relates to a charging bin and a multi-microphone audio transmission system, wherein the charging bin is provided with a first microphone, a first audio processing module, a first wireless transceiver module and a second wireless transceiver module; the first microphone, the first wireless transceiver module and the second wireless transceiver module are all connected with the first audio processing module, and the first wireless transceiver module is used for being connected with a fourth wireless transceiver module of the intelligent equipment; the first microphone is used for forming a microphone array with a plurality of second microphones on the earphone. Through the cooperation of storehouse and earphone charge, all set up the microphone on storehouse and earphone charge, constitute the microphone array jointly for a distributed microphone environment scheme of making an uproar falls. The part of microphones on the charging bin is used as the main microphone to collect human voice, the charging bin can be held by a hand to be close to a human mouth, and even if the sound pressure level of the environment noise is larger than that of the human voice, the sound pressure of the human voice collected by the main microphone can be guaranteed to be larger than that of the environment noise to the greatest extent.
Description
Technical Field
The utility model relates to the technical field of noise reduction, in particular to a charging bin and a multi-microphone audio transmission system.
Background
The earphone that prior art provided all possesses ambient noise elimination ability, and the noise reduction effect is better all uses two microphones or many microphone overall arrangement, and wherein the audio processing module of making an uproar all sets up inside the earphone, and the microphone all is connected with audio processing module through the cable, so current earphone of making an uproar falls all uses wired centralised array microphone, leads to the sound sample difference of gathering between each array microphone not obvious, in case under the great environment of ambient noise, the noise reduction effect is very poor.
In addition, only use the earphone to make an uproar to fall the processing, array microphone on the earphone all has a certain distance from the human mouth, and under the environment that ambient noise sound pressure level is greater than the sound pressure level, array microphone can't gather effectual sound, leads to making an uproar effect poor.
Disclosure of Invention
The utility model provides a charging bin and a multi-microphone audio transmission system, which solve the problem of poor noise reduction effect of the conventional earphone.
In order to achieve the above object, the present utility model provides the following technical solutions:
the charging bin is characterized in that a first microphone, a first audio processing module, a first wireless transceiver module and a second wireless transceiver module are arranged on the charging bin;
the first microphone, the first wireless transceiver module and the second wireless transceiver module are all connected with the first audio processing module, the first wireless transceiver module is used for being connected with a fourth wireless transceiver module of the intelligent device, and the second wireless transceiver module is used for being connected with a third wireless transceiver module of the earphone;
the first microphone is used for forming a microphone array with a plurality of second microphones on the earphone;
the first microphone is used for collecting a first sound signal and transmitting the first sound signal to the first audio processing module;
the first wireless transceiver module is used for receiving the second sound signal from the intelligent device and transmitting the second sound signal to the first audio processing module, and the first audio processing module is used for processing the second sound signal to generate a third sound signal and transmitting the third sound signal to the earphone through the second wireless transceiver module and the third wireless transceiver module;
the first audio processing module is used for receiving the first sound signal, the second sound signal and a fifth sound signal from the earphone, wherein the fifth sound signal is obtained by processing a fourth sound signal and a third sound signal acquired by the second microphone;
and processing the first sound signal, the second sound signal and the fifth sound signal, comparing the first sound signal with the fifth sound signal, performing noise reduction processing, generating a sixth sound signal, and transmitting the sixth sound signal to the first wireless transceiver module and the second wireless transceiver module.
Preferably, the first sound signal is a large amount of human voice and a small amount of ambient noise, and the fourth sound signal is a large amount of ambient noise and a small amount of human voice.
Preferably, a plurality of third microphones are further arranged in the charging bin, and the third microphones are connected with the first audio processing module.
Preferably, the third microphone collects a seventh sound signal and transmits the seventh sound signal to the first audio processing module;
the first audio processing module receives the first sound signal, the second sound signal, the fifth sound signal and the seventh sound signal, processes the first sound signal, the fifth sound signal and the seventh sound signal, compares the first sound signal, the fifth sound signal and the seventh sound signal, performs noise reduction processing, generates a sixth sound signal, and transmits the sixth sound signal to the first wireless receiving module and the second wireless receiving module.
Preferably, the seventh sound signal is a large amount of ambient noise and a part of human voice.
The multi-microphone audio transmission system is characterized by comprising any one of the charging bins and an earphone, wherein a second microphone, a second audio processing module and a third wireless transceiver module are arranged in the earphone, and the second microphone and the third wireless transceiver module are connected with the second audio processing module;
the second microphone is used for collecting a fourth sound signal and transmitting the fourth sound signal to the second audio processing module;
the second audio processing module is used for receiving the third sound signal and the fourth sound signal, processing the third sound signal and the fourth sound signal, generating a fifth sound signal and transmitting the fifth sound signal to the first audio processing module through the third wireless transceiver module and the second wireless transceiver module.
Preferably, a loudspeaker is further arranged on the earphone, and the loudspeaker is connected with the second audio processing module.
Preferably, the sixth sound signal is transmitted to the second audio processing module through the second wireless transceiver module and the third wireless transceiver module, and the eighth sound signal is generated and transmitted to the loudspeaker for playing after being processed by the second audio processing module.
Through implementing above technical scheme, have following technical effect: according to the charging bin and the multi-microphone audio transmission system, the charging bin is matched with the earphone, the microphones are arranged on the charging bin and the earphone to form the microphone array together, part of the microphones on the charging bin are used as main microphones to collect human voice, the charging bin can be held close to a human mouth, and even in an environment with the environmental noise sound pressure level being greater than the human voice sound pressure level, the human voice sound pressure collected by the main microphones can be guaranteed to be greater than the environmental noise sound pressure to the greatest extent, and poor noise reduction effects are avoided.
Drawings
Fig. 1 is a schematic structural diagram of a charging bin and an earphone provided by the utility model;
fig. 2 is a schematic structural diagram of a multi-microphone audio transmission system provided by the present utility model.
Detailed Description
For a better understanding of the technical solution of the present utility model, the embodiments provided by the present utility model are described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, it can be understood that the charging bin and the multi-microphone audio transmission system provided in this embodiment are characterized in that a first microphone, a first audio processing module, a first wireless transceiver module and a second wireless transceiver module are disposed on the charging bin;
the first microphone, the first wireless transceiver module and the second wireless transceiver module are all connected with the first audio processing module, the first wireless transceiver module is used for being connected with a fourth wireless transceiver module of the intelligent device, and the second wireless transceiver module is used for being connected with a third wireless transceiver module of the earphone;
the first microphone is used for forming a microphone array with a plurality of second microphones on the earphone;
the first microphone is used for collecting a first sound signal and transmitting the first sound signal to the first audio processing module;
the first wireless transceiver module is used for receiving the second sound signal from the intelligent device and transmitting the second sound signal to the first audio processing module, and the first audio processing module is used for processing the second sound signal to generate a third sound signal and transmitting the third sound signal to the earphone through the second wireless transceiver module and the third wireless transceiver module;
the first audio processing module is used for receiving the first sound signal, the second sound signal and a fifth sound signal from the earphone, wherein the fifth sound signal is obtained by processing a fourth sound signal and a third sound signal acquired by the second microphone;
and processing the first sound signal, the second sound signal and the fifth sound signal, comparing the first sound signal with the fifth sound signal, performing noise reduction processing, generating a sixth sound signal, and transmitting the sixth sound signal to the first wireless transceiver module and the second wireless transceiver module.
In this embodiment, the first microphone sets up in the storehouse head that charges, but the at utmost is close to the human mouth when handheld storehouse that charges, and the first sound signal of main collection is human voice and a small amount of ambient noise, and a plurality of second microphones set up on the earphone, and the quantity of second microphone can be one, two, three etc. the second microphone can set up in the bottom of earphone, outside and middle part etc. the position, and the fourth sound signal of second microphone collection is a large amount of ambient noise and a small amount of human voice, and microphone array is constituteed to first microphone and second microphone.
The first sound signal is transmitted to the first audio processing module, the fourth sound signal is processed with the third sound signal from the charging bin to generate a fifth sound signal and transmitted to the first audio processing module, the noise reduction chip of the first sound signal and the fifth sound signal in the first audio processing module is subjected to algorithm comparison (see the patent number 202021518906X in detail, the utility model name is an utility model patent of a microphone with an active noise reduction function), a sixth sound signal is generated and used for being transmitted to an intelligent device or an earphone end, the environment noise of the sixth sound signal is reduced after the algorithm comparison is performed, and clear human voice can be heard by the opposite party and the ear of the opposite party in some scenes with large background sounds, such as a KTV hall.
In the first audio processing module, in addition to the noise reduction processing on the first sound signal and the fifth sound signal, the processing such as ENC, reverberation, sound changing, EQ adjustment, electric sound, ANC, amplification, attenuation, direct connection, filtering, deletion, duplication and the like is performed on each path of sound signal passing through the first audio processing module according to actual needs. In this embodiment, all the input processing results in whether the output sound signal adopts 2 or 3 input paths, depending on the application scenario.
Further, a plurality of third microphones are further arranged in the charging bin, and the third microphones are connected with the first audio processing module. The third microphone collects a seventh sound signal and transmits the seventh sound signal to the first audio processing module;
the first audio processing module receives the first sound signal, the second sound signal, the fifth sound signal and the seventh sound signal, processes the first sound signal, the fifth sound signal and the seventh sound signal, compares the first sound signal, the fifth sound signal and the seventh sound signal, performs noise reduction processing, generates a sixth sound signal, and transmits the sixth sound signal to the first wireless receiving module and the second wireless receiving module.
The bottom or the side of the charging bin in the embodiment is also provided with a third microphone, the third microphone is far away from the mouth of a person relative to the first microphone, and the collected seventh sound signal is a large amount of environmental noise and partial human sound. At this time, the microphone array is composed of a first microphone, a second microphone and a third microphone, the first microphone mainly collects human voice, the second microphone and the third microphone collect environmental noise, and the noise reduction algorithm is compared after the environmental noise is transmitted to the first audio processing module, so that a sixth sound signal is generated, and noise reduction is achieved.
Furthermore, a loudspeaker is further arranged on the earphone, and the loudspeaker is connected with the second audio processing module. The sixth sound signal is transmitted to the second audio processing module through the second wireless receiving and transmitting module and the third wireless receiving and transmitting module, and the eighth sound signal is generated after being processed by the second audio processing module and is transmitted to the loudspeaker for playing. The second audio processing module performs processing such as ENC, reverberation, sound changing, EQ adjustment, electric sound, ANC, amplification, attenuation, pass-through, filtering, deletion, duplication, etc. on each path of sound signal according to actual requirements. In this embodiment, all the input processing results in whether the output sound signal adopts 2 or 3 input paths, depending on the application scenario.
And transmitting the sixth sound signal subjected to noise reduction to a second audio processing module for processing, generating an eighth sound signal, and transmitting the eighth sound signal to a loudspeaker connected with the eighth sound signal for playing.
In addition, under ordinary mode, the first microphone and the third microphone that set up on the storehouse that charges all do not work, and the earphone is direct to be connected with intelligent device, gathers audio signal through a plurality of second microphones on the earphone and carries out operations such as listening to the song, talking.
In this embodiment, the intelligent device is directly connected to the charging bin, and the fourth wireless transceiver module is disposed in the intelligent device and performs wireless transmission with the first wireless transceiver module, and in other embodiments, the intelligent device may also connect to the charging bin and the intelligent device through a peripheral USB dongle (USB dongle: a small plug-in unit that may be attached to a parallel port, a serial port or a USB of a computer, where the USB wireless transceiver in this embodiment refers to a peripheral wireless transceiver having a USB interface). Another wireless transceiver module is arranged in the USB wireless transceiver for transmitting signals.
The charging bin and the multi-microphone audio transmission system provided by the embodiments of the present utility model are described in detail above, and for those skilled in the art, according to the idea of the embodiments of the present utility model, the specific implementation and the application range of the embodiments of the present utility model may be changed, so the disclosure should not be construed as limiting the present utility model.
Claims (8)
1. The charging bin is characterized in that a first microphone, a first audio processing module, a first wireless transceiver module and a second wireless transceiver module are arranged on the charging bin;
the first microphone, the first wireless transceiver module and the second wireless transceiver module are all connected with the first audio processing module, the first wireless transceiver module is used for being connected with a fourth wireless transceiver module of the intelligent device, and the second wireless transceiver module is used for being connected with a third wireless transceiver module of the earphone;
the first microphone is used for forming a microphone array with a plurality of second microphones on the earphone;
the first microphone is used for collecting a first sound signal and transmitting the first sound signal to the first audio processing module;
the first wireless transceiver module is used for receiving the second sound signal from the intelligent device and transmitting the second sound signal to the first audio processing module, and the first audio processing module is used for processing the second sound signal to generate a third sound signal and transmitting the third sound signal to the earphone through the second wireless transceiver module and the third wireless transceiver module;
the first audio processing module is used for receiving the first sound signal, the second sound signal and a fifth sound signal from the earphone, wherein the fifth sound signal is obtained by processing a fourth sound signal and a third sound signal acquired by the second microphone;
and processing the first sound signal, the second sound signal and the fifth sound signal, comparing the first sound signal with the fifth sound signal, performing noise reduction processing, generating a sixth sound signal, and transmitting the sixth sound signal to the first wireless transceiver module and the second wireless transceiver module.
2. The charging cartridge of claim 1, wherein the first sound signal is a large amount of human noise and a small amount of ambient noise, and the fourth sound signal is a large amount of ambient noise and a small amount of human noise.
3. The charging bin of claim 1, wherein a plurality of third microphones are further disposed in the charging bin, and the third microphones are connected with the first audio processing module.
4. The charging bin of claim 3, wherein the third microphone collects a seventh sound signal and transmits it to the first audio processing module;
the first audio processing module receives the first sound signal, the second sound signal, the fifth sound signal and the seventh sound signal, processes the first sound signal, the fifth sound signal and the seventh sound signal, compares the first sound signal, the fifth sound signal and the seventh sound signal, performs noise reduction processing, generates a sixth sound signal, and transmits the sixth sound signal to the first wireless receiving module and the second wireless receiving module.
5. The charging bin of claim 4, wherein the seventh sound signal is a quantity of ambient noise and a portion of human voice.
6. A multi-microphone audio transmission system is characterized by comprising the charging bin according to any one of claims 1-5, and further comprising an earphone, wherein a second microphone, a second audio processing module and a third wireless transceiver module are arranged in the earphone, and the second microphone and the third wireless transceiver module are connected with the second audio processing module;
the second microphone is used for collecting a fourth sound signal and transmitting the fourth sound signal to the second audio processing module;
the second audio processing module is used for receiving the third sound signal and the fourth sound signal, processing the third sound signal and the fourth sound signal, generating a fifth sound signal and transmitting the fifth sound signal to the first audio processing module through the third wireless transceiver module and the second wireless transceiver module.
7. The multi-microphone audio transmission system of claim 6, wherein a speaker is further provided on the headset, the speaker being coupled to the second audio processing module.
8. The system of claim 6, wherein the sixth sound signal is transmitted to the second audio processing module through the second wireless transceiver module and the third wireless transceiver module, and the eighth sound signal is generated and transmitted to the speaker for playing after being processed by the second audio processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321755586.3U CN220528203U (en) | 2023-07-06 | 2023-07-06 | Charging bin and multi-microphone audio transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321755586.3U CN220528203U (en) | 2023-07-06 | 2023-07-06 | Charging bin and multi-microphone audio transmission system |
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| Publication Number | Publication Date |
|---|---|
| CN220528203U true CN220528203U (en) | 2024-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321755586.3U Active CN220528203U (en) | 2023-07-06 | 2023-07-06 | Charging bin and multi-microphone audio transmission system |
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| CN (1) | CN220528203U (en) |
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2023
- 2023-07-06 CN CN202321755586.3U patent/CN220528203U/en active Active
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