CN115209314A - Bidirectional U-section microphone transmission technology - Google Patents
Bidirectional U-section microphone transmission technology Download PDFInfo
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- CN115209314A CN115209314A CN202210730362.0A CN202210730362A CN115209314A CN 115209314 A CN115209314 A CN 115209314A CN 202210730362 A CN202210730362 A CN 202210730362A CN 115209314 A CN115209314 A CN 115209314A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The invention discloses a bidirectional U-segment microphone transmission technology, which relates to the field of microphones and comprises a first microphone head, a first loudspeaker, a first U-segment transmitting module for sending a voice, a first U-segment receiving module for receiving accompanying voice, a second microphone head, a second loudspeaker, a second U-segment transmitting module for sending the voice, a second U-segment receiving module for receiving the accompanying voice, a USB plug, a first U-segment receiving module for receiving the voice, a second U-segment receiving module, a first U-segment transmitting module and a second U-segment transmitting module for sending accompaniment, wherein a first transmission module is arranged between the first microphone head and the first U-segment transmitting module, the first U-segment receiving module is also connected with the first loudspeaker through the first transmission module, the first U-segment transmitting module is in signal connection with the first U-segment receiving module, a second transmission module is arranged between the second microphone head and the second U-segment transmitting module, the second U-segment receiving module is also connected with the second loudspeaker through the second transmission module, and a third transmission module is arranged between the USB plug and the first U-segment transmitting module, the second U-segment transmitting module, the first U-segment transmitting module, the U-segment receiving module and the second transmission module are also connected with the USB plug. The invention realizes the connection with the intelligent equipment terminal through the bidirectional U-segment technology, can realize the low-delay synchronous accompaniment and human voice of the intelligent equipment terminal and the microphone end, and is convenient for people to use.
Description
Technical Field
The invention belongs to the technical field of microphones, and particularly relates to a bidirectional U-section microphone transmission technology.
Background
A microphone, also called a microphone or a microphone, is formally called a microphone in chinese, and is a transducer for converting sound into an electrical signal, and the transmission of a wireless microphone is generally divided into three frequency bands, an FM band, a VHF band, and a UHF band.
The UHF section is generally called as a U section, the working frequency range is 500-980MHz, and the high frequency is basically not interfered by other external frequencies; most of U-section devices adopt patch elements, so that the performance is very stable; the analog audio circuit of U section adopts the newest low noise, high fidelity circuit, sound quality is better. However, when the existing U-segment microphone is connected with a smart device terminal for use, a delay phenomenon easily occurs in the transmission process of voice and accompaniment, and the use feeling of people is affected, so that a bidirectional U-segment microphone transmission technology is provided to solve the problem.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the invention provides a bidirectional U-segment microphone transmission technology, which effectively solves the problem that the use experience of a user is influenced because the transmission and playing of voices and accompaniment are easy to delay when the conventional U-segment microphone is connected with an intelligent device terminal for use.
In order to achieve the purpose, the invention provides the following technical scheme: a bidirectional U-section microphone transmission technology comprises a first microphone head, a first loudspeaker, a first U-section transmitting module for sending a voice, a first U-section receiving module for receiving accompanying voice, a second microphone head, a second loudspeaker, a second U-section transmitting module for sending the voice, a second U-section receiving module for receiving the accompanying voice, a USB plug, a first U-section receiving module for receiving the voice, a second U-section receiving module, a first U-section transmitting module for sending an accompaniment and a second U-section transmitting module for sending the accompaniment, wherein a first transmission module is arranged between the first microphone head and the first U-section transmitting module, the first U-section receiving module is further connected with the first loudspeaker through a first transmission module, the first U-section transmitting module is in signal connection with the first U-section receiving module, a second transmission module is arranged between the second microphone head and the second U-section transmitting module, the second U-section receiving module is further connected with the second loudspeaker through a second transmission module, and a third transmission module is arranged between the USB plug and the first U-section transmitting module and the second U-section transmitting module.
Preferably, the first transmission module includes a first AD unit, a first MUX unit, a first DA unit, a first I2S0 unit, a first I2C unit, and a first I2S1 unit, the first AD unit is connected to the first MUX unit and the first I2SD unit at the same time, the first MUX unit is connected to the first DA unit by a signal, the first I2S1 unit is connected to the unit MUX unit by a signal, and the second transmission module and the first transmission module are arranged in the same structure.
Preferably, a first bluetooth unit and a second bluetooth unit are respectively arranged in the first transmission module and the second transmission module, the first transmission module is further externally connected with a first Line0ut unit, and the second transmission module is further externally connected with a second Line0ut unit.
Preferably, the third transmission module includes a second MUX unit, a second DA unit, a second I2S0 unit, a second I2C unit, and a second I2S1 unit, and the third transmission module is further provided with a USB unit, the USB unit is simultaneously connected to the second I2S0 unit and the second MUX unit, the I2S1 is simultaneously connected to the USB unit and the second MUX unit, and the second MUX unit is further connected to the second DA unit.
Preferably, a third bluetooth unit is further disposed in the third transmission module, and the third transmission module is further externally connected with a third LineOut unit.
The invention has the technical effects and advantages that:
1. after obtaining the accompaniment signals through a USB plug inserted in the intelligent equipment terminal, the accompaniment signals are transmitted through a first U segment transmitting module and a second U segment transmitting module of the third transmission module, received by a first U segment receiving module and a second U segment receiving module of the first transmission module and the second transmission module, and processed to send accompaniment sounds from a first loudspeaker and a second loudspeaker to finish the U segment transmission process in one direction; meanwhile, the voice signals picked up by the first microphone and the second microphone are processed and then transmitted by the first U-section transmitting module and the second U-section transmitting module of the first transmission module and the second transmission module, received by the first U-section receiving module and the second U-section receiving module of the third transmission module, processed and then sent to the intelligent device terminal through the USB plug inserted into the intelligent device terminal, and the U-section transmission process in the other direction is completed.
2. As described above, through the mutual cooperation of the microphone head one, the speaker one, the microphone head two, the speaker two, the USB plug, the voice U-segment transmitting module, the accompaniment U-segment receiving module, the accompaniment U-segment transmitting module, the voice U-segment receiving module, the first transmission module, the second transmission module and the third transmission module, the bidirectional U-segment transmission technology is formed, thereby realizing that when being connected with the smart device terminal, the smart device terminal and the microphone terminal can be synchronously played with low delay to accompany voice, and being convenient for people to use.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a frame diagram of a first transfer mechanism of the present invention;
FIG. 2 is a block diagram of a second transfer mechanism of the present invention;
FIG. 3 is a frame diagram of a third transfer mechanism of the present invention;
fig. 4 is a general framework diagram of the present invention. .
Detailed Description
The invention provides a bidirectional U-segment microphone transmission technology as shown in figures 1-4, which comprises a first microphone head, a first loudspeaker, a first U-segment transmitting module for sending a voice, a first U-segment receiving module for receiving a accompanying voice, a second microphone head, a second loudspeaker, a second U-segment transmitting module for sending a voice, a second U-segment receiving module for receiving a accompanying voice, a USB plug, a first U-segment receiving module for receiving a voice, a second U-segment receiving module, a first U-segment transmitting module for sending an accompaniment and a second U-segment transmitting module, wherein a first transmission module is arranged between the first microphone head and the first U-segment transmitting module, the first U-segment receiving module is further connected with the first loudspeaker through the first transmission module, the first U-segment transmitting module is in signal connection with the first U-segment receiving module, a second transmission module is arranged between the second microphone head and the second U-segment transmitting module, the second U-segment receiving module is further connected with the second loudspeaker through the second transmission module, a third transmission module is arranged between the USB plug and the first U-segment transmitting module, and the second U-segment transmitting module, and the third transmission module are further connected with the second U-segment receiving module.
As shown in fig. 1 and 2, the first transmission module includes a first AD unit, a first MUX unit, a first DA unit, a first I2S0 unit, a first I2C unit, and a first I2S1 unit, the first AD unit is connected to the first MUX unit and the first I2SD unit at the same time, the first MUX unit is in signal connection with the first DA unit, the first I2S1 unit is in signal connection with the unit MUX unit, and the second transmission module and the first transmission module are arranged in the same structure.
Meanwhile, a first Bluetooth unit and a second Bluetooth unit are respectively arranged in the first transmission module and the second transmission module, the first transmission module is further externally connected with a first Line0ut unit, and the second transmission module is further externally connected with a second Line0ut unit.
As shown in fig. 3, the third transmission module includes a second MUX unit, a second DA unit, a second I2S0 unit, a second I2C unit, and a second I2S1 unit, and a USB unit is further disposed in the third transmission module, the USB unit is simultaneously connected to the second I2S0 unit and the second MUX unit, the I2S1 is simultaneously connected to the USB unit and the second MUX unit, and the second MUX unit is further connected to the second DA unit.
Meanwhile, a third Bluetooth unit is further arranged in the third transmission module, and a third LineOut unit is further externally connected to the third transmission module.
The working principle of the invention is as follows: through the mutual matching of the first microphone head, the first loudspeaker, the second microphone head, the second loudspeaker, the USB plug, the first voice U segment transmitting module, the second voice U segment transmitting module, the first accompaniment U segment receiving module, the second accompaniment U segment receiving module, the first accompaniment U segment transmitting module, the second accompaniment U segment transmitting module, the first voice U segment receiving module, the second voice U segment receiving module, the first transmission module, the second transmission module and the third transmission module, a bidirectional U segment technology is formed, the bidirectional U segment technology can be used for being connected with the intelligent equipment terminal, the intelligent equipment terminal and the microphone end can be connected with the low-delay synchronous accompaniment and the voice, and the use by people is facilitated.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a two-way U section microphone transmission technology which characterized in that: the device comprises a first microphone, a first loudspeaker, a first U-segment transmitting module for sending a voice, a first U-segment receiving module for receiving accompanying sound, a second microphone, a second loudspeaker, a second U-segment transmitting module for sending the voice, a second U-segment receiving module for receiving the accompanying sound, a USB plug, a first U-segment receiving module for receiving the voice, a second U-segment receiving module, a first U-segment transmitting module for sending an accompaniment and a second U-segment transmitting module for sending the accompaniment, wherein a first transmission module is arranged between the first microphone and the first U-segment transmitting module, the first U-segment receiving module is further connected with the first loudspeaker through a first transmission module, the first U-segment transmitting module is in signal connection with the first U-segment receiving module, a second transmission module is arranged between the second microphone and the second U-segment transmitting module, the second U-segment receiving module is further connected with the second loudspeaker through a second transmission module, a third transmission module is arranged between the USB plug and the first U-segment transmitting module and the second U-segment transmitting module, and the third transmission module is further connected with the first U-segment receiving module and the second U-segment receiving module.
2. The bi-directional U-segment microphone transmission technology of claim 1, wherein: the first transmission module comprises a first AD unit, a first MUX unit, a first DA unit, a first I2S0 unit, a first I2C unit and a first I2S1 unit, the first AD unit is connected with the first MUX unit and the first I2SD unit at the same time, the first MUX unit is in signal connection with the first DA unit, the first I2S1 unit is in signal connection with the MUX unit, and the second transmission module and the first transmission module are arranged in the same structure.
3. The bi-directional U-segment microphone transmission technology of claim 2, wherein: the first transmission module and the second transmission module are respectively provided with a first Bluetooth unit and a second Bluetooth unit, the first transmission module is further externally connected with a first Line0ut unit, and the second transmission module is further externally connected with a second Line0ut unit.
4. A bi-directional U-segment microphone transmission technique as claimed in claim 3 wherein: the third transmission module comprises a second MUX unit, a second DA unit, a second I2S0 unit, a second I2C unit and a second I2S1 unit, a USB unit is further arranged in the third transmission module, the USB unit is connected with the second I2S0 unit and the second MUX unit at the same time, the I2S1 is connected with the USB unit and the second MUX unit at the same time, and the second MUX unit is further connected with the second DA unit.
5. The bi-directional U-segment microphone transmission technique of claim 4, wherein: and a third Bluetooth unit is also arranged in the third transmission module, and a third LineOut unit is also externally connected with the third transmission module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210730362.0A CN115209314A (en) | 2022-06-24 | 2022-06-24 | Bidirectional U-section microphone transmission technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210730362.0A CN115209314A (en) | 2022-06-24 | 2022-06-24 | Bidirectional U-section microphone transmission technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115209314A true CN115209314A (en) | 2022-10-18 |
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ID=83578460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210730362.0A Pending CN115209314A (en) | 2022-06-24 | 2022-06-24 | Bidirectional U-section microphone transmission technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115209314A (en) |
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2022
- 2022-06-24 CN CN202210730362.0A patent/CN115209314A/en active Pending
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