CN209313998U - A kind of microphone receiver of toneable - Google Patents
A kind of microphone receiver of toneable Download PDFInfo
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- CN209313998U CN209313998U CN201920176808.3U CN201920176808U CN209313998U CN 209313998 U CN209313998 U CN 209313998U CN 201920176808 U CN201920176808 U CN 201920176808U CN 209313998 U CN209313998 U CN 209313998U
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- audio
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- frequency
- circuit
- toneable
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Abstract
The utility model discloses a kind of microphone receivers of toneable, including main control unit, digital signal processing module, radio-frequency module, display control module, audio-frequency module；The digital signal processing module, radio-frequency module, display control module and audio-frequency module are connect with main control unit respectively；The radio-frequency module and audio-frequency module are connect with digital signal processing module respectively；The audio-frequency module includes the tuning circuit that frequency adjusting is carried out to the audio signal of input.It carries out frequency adjusting by audio signal of the tuning circuit to input, match microphone receiver can with the microphone of different manufacturers and stereo set accessible；Promote the sound quality and effect of entire sound system；Meet the different tuning demand of user.
Description
Technical field
The utility model relates to field of audio devices, especially a kind of microphone receiver of toneable.
Background technique
The usual microphone of sound system, receiver and stereo set composition.But the considerations of user is because in various aspects,
Microphone, receiver and the stereo set for tending not to selection different manufacturers production, lead to microphone, receiver and stereo set
Frequency Response it is different, high pitch, middle pitch, bass have the promotion and decaying of different-effect.Therefore microphone, receiver and sound equipment
The mutual matching of equipment is difficult, leads to the problem of the following aspects often occur:
(1) acoustic characteristic of microphone, receiver and sound equipment mismatches, and is easy to produce uttering long and high-pitched sounds for high pitch or being total to for low frequency
Vibration；
(2) requirement and effect of the different users to sound quality are different, and entire sound system is unable to adjust, Wu Faman
The actual demand of sufficient user；
(3) different use environments can generate different Frequency points of uttering long and high-pitched sounds, when the Frequency point of uttering long and high-pitched sounds that single cannot decay, then only
There is reduction volume, causes microphone user that must improve volume.
Utility model content
To solve the above problems, a kind of microphone for being designed to provide toneable of the utility model embodiment receives
Machine can carry out frequency adjusting to the audio signal of input.
Technical solution used by the utility model embodiment solves the problems, such as it is:
A kind of microphone receiver of toneable, including it is main control unit, digital signal processing module, radio-frequency module, aobvious
Show control module, audio-frequency module；The digital signal processing module, radio-frequency module, display control module and audio-frequency module difference
It is connect with main control unit；The radio-frequency module and audio-frequency module are connect with digital signal processing module respectively；The audio mould
Block includes the tuning circuit that frequency adjusting is carried out to the audio signal of input.
Further, the radio-frequency module includes the radio frequency voltage regulator circuit and use for stablizing the voltage for being input to radio-frequency module
In the radio frequency connectivity port of external radio-frequency apparatus.
Further, the display control module include code displaying circuit, display micro-control unit, display control port and
Infrared receiving/transmission circuit；The code displaying circuit, display control port and infrared receiving/transmission circuit are connect with display micro-control unit.
Further, the audio-frequency module further includes audio external-connected port, POP sound elimination circuit, audio amplifier circuit and sound
Frequency analog conversion circuit, the audio external-connected port, POP sound eliminate circuit, audio amplifier circuit and audio digital-to-analog conversion circuit
It is sequentially connected；The tuning circuit is connect with audio amplifier circuit.
Further, the audio amplifier circuit is provided with charge pump.
Further, a kind of microphone receiver of toneable, further includes bluetooth module, the bluetooth module and main control list
Member connection.
Further, a kind of microphone receiver of toneable, further includes power module, the power module and main control list
Member connection.
Further, a kind of microphone receiver of toneable, further includes LCD display, and the LCD display and display are controlled
The display micro-control unit of molding block connects.
The beneficial effect of the utility model embodiment is: carrying out frequency tune by audio signal of the tuning circuit to input
Section, match microphone receiver can with the microphone of different manufacturers and stereo set accessible；Promote entire sound system
Sound quality and effect；Meet the different tuning demand of user.
Detailed description of the invention
The utility model is described in further detail with example with reference to the accompanying drawing.
Fig. 1 is a kind of structure chart of the microphone receiver of toneable of the utility model embodiment；
Fig. 2 is a kind of another structure chart of the microphone receiver of toneable of the utility model embodiment；
Fig. 3 is the circuit diagram of the main control unit of the utility model embodiment；
Fig. 4 is the circuit diagram of the display control port of the utility model embodiment；
Fig. 5 is the circuit diagram of the display micro-control unit of the utility model embodiment；
Fig. 6 is the circuit diagram of the code displaying circuit of the utility model embodiment；
Fig. 7 is the circuit diagram of the audio digital-to-analog conversion circuit of the utility model embodiment；
Fig. 8 is that the POP sound of the utility model embodiment eliminates the circuit diagram of circuit；
Fig. 9 is the circuit diagram of the audio amplifier circuit of the utility model embodiment；
Figure 10 is the circuit diagram of the tuning circuit of the utility model embodiment.
Specific embodiment
Referring to Fig.1, Fig. 3 and Figure 10, the microphone that one embodiment of the utility model provides a kind of toneable receive
Machine, including main control unit 100, digital signal processing module 400, radio-frequency module 300, display control module 200, audio-frequency module
500；The digital signal processing module 400, radio-frequency module 300, display control module 200 and audio-frequency module 500 respectively with master
Control unit 100 connects；The radio-frequency module 300 and audio-frequency module 500 are connect with digital signal processing module 400 respectively；Institute
Stating audio-frequency module 500 includes the tuning circuit 501 that frequency adjusting is carried out to the audio signal of input.
In this embodiment, the radio-frequency module 300 is used to receive the audio signal from microphone；The number letter
Number processing module 400 is for being decompressed and being demodulated to audio signal；The display control module 200 is used for LCD display
600 adjust control；The audio-frequency module 500 is for optimizing processing to audio signal.
In addition, the microphone receiver of the toneable carries out frequency tune by the audio signal of 501 pairs of tuning circuit inputs
Section, match microphone receiver can with the microphone of other producers and stereo set accessible；Promote entire sound system
Sound quality and effect；Meet the different tuning demand of user.And user can be by the microphone receiver of the toneable
The corresponding control tuning circuit 501 of tuning knob adjusts the frequency of audio signal.
In another embodiment, the radio-frequency module 300 includes for stablizing the voltage for being input to radio-frequency module 300
Radio frequency voltage regulator circuit 301 and radio frequency connectivity port 302 for external radio-frequency apparatus.
In this embodiment, the radio frequency connectivity port 302 is bnc interface, is used for external radio-frequency apparatus, and the radio frequency is set
Standby is antenna.The radio-frequency module 300 receives the audio signal from microphone by antenna and passes through two pieces of KT0656 chips
True diversity feature is realized to greatly improve reception distance.Audio signal is transported to digital signal after being received by radio-frequency module 300
Processing module 400.
Further, digital signal processing module 400 is decompressed and is demodulated to audio signal, and will be by decompression and demodulation
Audio signal afterwards is exported to audio-frequency module 500.
Referring to Fig. 4, Fig. 5 and Fig. 6, in another embodiment, the display control module 200 includes code displaying circuit
201, micro-control unit 204, display control port 202 and infrared receiving/transmission circuit 203 are shown；The code displaying circuit 201 is shown
Show that control port 202 and infrared receiving/transmission circuit 203 are connect with display micro-control unit 204.
Further, a kind of microphone receiver of toneable further includes LCD display 600, the LCD display 600 with
The display micro-control unit 204 of display control module 200 connects.
The code displaying circuit 201, for carrying out address code operation；The display control port 202 is that display is micro-
Control unit 204 exchanges the port of information with other modules；The infrared receiving/transmission circuit 203, in response to opening for IR remote controller
OFF signal enables user that can carry out switch control to LCD display 600 by IR remote controller.
The display micro-control unit 204 carries out information exchange by display control port 202 and other modules, thus will
The various states and operation instruction of the microphone receiver of the toneable are shown on LCD display 600.
Referring to Fig. 7, Fig. 8, Fig. 9 and Figure 10, in another embodiment, the audio-frequency module 500 further includes that audio is external
Port 502, POP sound eliminate circuit 503, audio amplifier circuit 504 and audio digital-to-analog conversion circuit 505, the audio external connection end
Mouth 502, POP sound are eliminated circuit 503, audio amplifier circuit 504 and audio digital-to-analog conversion circuit 505 and are sequentially connected；The tuning
Circuit 501 is connect with audio amplifier circuit 504.
Further, the audio amplifier circuit 504 is provided with charge pump 514.
In this embodiment, the audio external-connected port 502 is XLR interface or RCA interface, inputs for external audio frequency
Equipment；External audio input device can be inputted music to audio-frequency module 500 by audio external-connected port 502 and realize and come from wheat
The audio signal of gram wind realizes audio mixing.The POP sound eliminates circuit 503, SGM4806 chip is provided with, for eliminating microphone
Receiver power on or shutdown transient and power on stablize after various operations brought by transient impact generate POP sound.Institute
Audio amplifier circuit 504 is stated, SGM8903 chip is provided with, and for enhanced processing audio signal and to audio signal come from
The music of external audio input device carries out audio mixing.The audio amplifier circuit 504 is provided with charge pump 514, charge pump 514
The output voltage of audio amplifier circuit 504 is adjusted by adjusting the duty ratio of input voltage.The audio digital-to-analog conversion circuit
The audio signal of digital signal form is converted to analog signal form by 505.
Referring to Fig. 2, in another embodiment, a kind of microphone receiver of toneable, further includes bluetooth module, described
Bluetooth module is connect with main control unit 100.The microphone receiver of the toneable by bluetooth module can with bluetooth equipment into
Row is wirelessly connected, and the bluetooth equipment can be bluetooth headset or Bluetooth audio device.
Further, a kind of microphone receiver of toneable, further includes power module, the power module and main control list
Member 100 connects.Power module provides stable operating voltage for the microphone receiver of entire toneable.
The above, the only preferred embodiment of the utility model, the utility model are not limited to above-mentioned implementation
Mode, as long as its technical effect for reaching the utility model with identical means, all should belong to the protection scope of the utility model.
Claims (8)
1. a kind of microphone receiver of toneable, which is characterized in that including main control unit, digital signal processing module, penetrate
Frequency module, display control module, audio-frequency module；The digital signal processing module, radio-frequency module, display control module and audio
Module is connect with main control unit respectively；The radio-frequency module and audio-frequency module are connect with digital signal processing module respectively；Institute
Stating audio-frequency module includes the tuning circuit that frequency adjusting is carried out to the audio signal of input.
2. a kind of microphone receiver of toneable according to claim 1, which is characterized in that the radio-frequency module includes
The radio frequency voltage regulator circuit of the voltage of radio-frequency module is input to and for the radio frequency connectivity port of external radio-frequency apparatus for stablizing.
3. a kind of microphone receiver of toneable according to claim 2, which is characterized in that the display control module
Including code displaying circuit, display micro-control unit, display control port and infrared receiving/transmission circuit；The code displaying circuit,
Display control port and infrared receiving/transmission circuit are connect with display micro-control unit.
4. a kind of microphone receiver of toneable according to claim 3, which is characterized in that the audio-frequency module also wraps
Include audio external-connected port, POP sound eliminates circuit, audio amplifier circuit and audio digital-to-analog conversion circuit, the audio external-connected port,
POP sound is eliminated circuit, audio amplifier circuit and audio digital-to-analog conversion circuit and is sequentially connected；The tuning circuit and audio amplification electricity
Road connection.
5. a kind of microphone receiver of toneable according to claim 4, which is characterized in that the audio amplifier circuit
It is provided with charge pump.
6. a kind of microphone receiver of toneable according to claim 1, which is characterized in that it further include bluetooth module,
The bluetooth module is connect with main control unit.
7. a kind of microphone receiver of toneable according to claim 1-6, which is characterized in that further include electricity
Source module, the power module are connect with main control unit.
8. a kind of microphone receiver of toneable according to claim 3, which is characterized in that it further include LCD display,
The connection of the display micro-control unit of the LCD display and display control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920176808.3U CN209313998U (en) | 2019-01-31 | 2019-01-31 | A kind of microphone receiver of toneable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920176808.3U CN209313998U (en) | 2019-01-31 | 2019-01-31 | A kind of microphone receiver of toneable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209313998U true CN209313998U (en) | 2019-08-27 |
Family
ID=67681495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920176808.3U Active CN209313998U (en) | 2019-01-31 | 2019-01-31 | A kind of microphone receiver of toneable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209313998U (en) |
-
2019
- 2019-01-31 CN CN201920176808.3U patent/CN209313998U/en active Active
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