CN203631121U - Audio processing equipment with recording control function - Google Patents

Audio processing equipment with recording control function Download PDF

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Publication number
CN203631121U
CN203631121U CN201320703751.0U CN201320703751U CN203631121U CN 203631121 U CN203631121 U CN 203631121U CN 201320703751 U CN201320703751 U CN 201320703751U CN 203631121 U CN203631121 U CN 203631121U
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China
Prior art keywords
recording
circuit
audio
processing equipment
audio processing
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Expired - Fee Related
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CN201320703751.0U
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Chinese (zh)
Inventor
叶仁春
陆云龙
裴虹
雷志华
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Huazhong University of Science and Technology
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Huazhong University of Science and Technology
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Abstract

The utility model discloses a piece of audio processing equipment with a recording control function. The equipment comprises a recording circuit, a recording control circuit, an audio processing circuit and a memory interface. The input end of the recording circuit is connected with the output end of the audio processing circuit, the control input end of the recording circuit is connected with the output end of the recording control circuit, and the output end of the recording circuit is connected with the memory interface. The output end of the audio processing circuit is connected with the input end of the recording circuit. The output end of the recording control circuit is connected with the control input end of the recording circuit. The input end of the memory interface is connected with the output end of the recording circuit. The audio processing equipment with a recording control function, provided by the utility model, can be audio processing equipment for a microphone, a receiver or an amplifier, a pick-up device nearest to a speaker is used as a recording sound source, and a high-quality recording effect can be achieved according to different needs.

Description

A kind of audio processing equipment with control sound-recording function
Technical field
The utility model belongs to digital product intelligent Application field, more specifically, relates to a kind of audio processing equipment of controlling sound-recording function that has.
Background technology
In the time using public address equipment, as situations such as teaching, meeting, reports, many audiences or keynoter are with recording pen, the lower speech content of record.In many situations, due to the audio condition in meeting-place, ground unrest is serious, and recording effect is not good.Audience arbitrarily records to speech content simultaneously, agrees to just arbitrarily openly deliver a speech content without manager or keynoter, often occurs the situation of infringement keynoter rights and interests.
Need to record in the meeting-place of speech at present time, or recorded by backstage audio control system by sponsor, or audience is by the recording pen recording carrying.There is backstage audio control system recording, although can obtain good recording effect, but audience cannot obtain high-quality recording file easily, cannot directly obtain reverberation recording simultaneously and need to pass through post-processed.Audience carries recording pen recording, the in the situation that at meeting-place audio, not good or environment being noisy, can not obtain the recording effect of high-quality low noise, simultaneously the uncontrollable audience's of sponsor recording behavior: while not wishing that audience records on the one hand, uncontrollable audience's recording; On the other hand, while allowing audience to record, audience cannot obtain the measured recording of audio matter.
Utility model content
For above defect or the Improvement requirement of prior art, the utility model provides a kind of audio processing equipment of controlling sound-recording function that has, its object is the controller by having different rights, control has the public address equipment of sound-recording function and records, solve thus the technical matters that current keynoter can not control audience recording, and audience's synchronization poor effect while using public address equipment.
For achieving the above object, according to the utility model, provide a kind of audio processing equipment with sound-recording function, comprised audio frequency processing circuit, recording circuit, recording control circuit and memory interface, wherein:
Audio frequency processing circuit, its output terminal connects recording circuit input end, for realizing sound and sound signal transforms mutually;
Recording circuit, its input end connects the output terminal of audio frequency processing circuit, and its control end connects recording control circuit output terminal, its output terminal connected storage interface, under the control in recording steering order, the sound signal of audio reception treatment circuit output is also converted into recording file;
Recording control circuit, its output terminal connects recording circuit control inputs, for receiving authorization signal, realizes audio processing equipment and is authorizing recording state and forbidding changing between recording state, authorizing under recording state, produces and starts or stop record command;
Memory interface, its input end connects recording circuit output terminal, for storing described recording file into corresponding storer.
Preferably, described audio processing equipment, also comprises controller, and described controller and recording circuit are wireless or wired connection.
Preferably, described audio processing equipment, its controller is overall drm controller.Described global controller produces overall authorization signal, and described overall authorization signal is effective to all audio processing equipments that receive overall authorization signal.
Preferably, described audio processing equipment, its controller is radiowave telepilot, Infrared remote controller or wired RS232 controller.
Preferably, described audio processing equipment, also comprises playback circuitry and playback controls circuit, wherein:
Playback circuitry, its input end connected storage interface, its control input end connects playback controls circuit output end, and its output terminal connects the input end of audio frequency processing circuit, and the recording file reading for decoding storage interface is also converted into sound signal;
Playback controls circuit, its output terminal connects playback circuitry control input end, for generation of starting or stop playback signal;
Described memory interface is also for reading the recording file of respective memory.
Preferably, described audio processing equipment, its recording control circuit and playback controls circuit are integrated into Control Component, and recording circuit and playback circuitry are integrated into processing components.
Preferably, described audio processing equipment is microphone, receiver or power amplifier.
Preferably, described audio processing equipment, its memory interface is one or more in FLASH storage chip interface, TF deck, SD deck and USB female seat.
In general, the above technical scheme of conceiving by the utility model compared with prior art, all has control sound-recording function owing to can be the audio process of drawing together microphone, receiver and power amplifier, can obtain following beneficial effect:
Due to audio process, comprise that microphone, receiver and power amplifier all have sound-recording function, its source of sound is the normal linearity audio input signal such as acoustic pickup miaow head or MP3 player nearest with keynoter, therefore its tonequality is all equivalent to the collected tonequality of acoustic pickup miaow head of keynoter's minimum distance, and keynoter, audience can obtain high-quality recording effect easily.For power amplifier, there is multiple audio frequency input, add audio reverberation circuit, high, normal, basic audio frequency processing circuit, it is integrated that its recording source of sound can derive from multiple audio mix, realizes best audio recording.
Preferred version, because controller can send control signal, realizes the control to sound-recording function, and keynoter can, according to different demands, control recording, can control microphone recording as keynoter need to record time; While allowing audience to record, can be by thering is the controller control receiver recording of overall authority; While not allowing audience to record, can control receiver and cannot record; While wishing to obtain audio mixing sound effects recording, control power amplifier recording.
Preferred version, described control has the audio processing equipment of sound-recording function of control, also has playback function, can, according to different demands, control playback, as keynoter wishes oneself speech content hard of hearing, can carry headphones playback by microphone; Keynoter's speech content of wishing to reset, can pass through power amplifier playback; Audience wants to repeat to listen to speech content, can pass through receiver playback.
Preferred version, described in there is the compatible different mobile memory interface of audio processing equipment of controlling sound-recording function, facilitate person for recording to obtain recording file by various mobile memories.
Preferred version, described controller has overall authority or user right, according to user's different requirements, can one or more equipment be realized and being controlled, and for the recording of speech content, realizes more easily and controlling.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the structural representation of the utility model embodiment 1;
Fig. 3 is the structural representation of the utility model embodiment 2;
Fig. 4 is the structural representation of the utility model embodiment 3;
Fig. 5 is the structural representation of the utility model embodiment 4.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.In addition,, in each embodiment of described the utility model, involved technical characterictic just can combine mutually as long as do not form each other conflict.
A kind of audio processing equipment with sound-recording function that the utility model provides, comprising:
Controller, for sending authorization signal, authorizes relevant device recording.Controller can be autonomous device, as telepilot, such as, with corresponding audio processing equipments of mode control such as radiowave, infrared ray or wired (RS232).Controller also can be integrated with audio processing equipment, controls in the same way related audio treatment facility.Controller has overall authority or user right, and the controller with overall authority can be controlled multiple audio processing equipments, and the controller with user right only can be controlled specific audio processing equipment.In the time having multiple audio processing equipment, there is the controller of overall authority, can carry out authorization control to all audio processing equipments.
Audio frequency processing circuit, transforms for realizing sound and sound signal.According to functions of the equipments difference, convert sound signal transmitting or received audio signal to and convert sound to for the sound picking up: in the time that audio processing equipment is microphone, audio frequency processing circuit picks up sound be converted into sound signal; In the time that audio processing equipment is receiver, audio frequency processing circuit is converted into the signal receiving sound signal and passes to earphone interface, and in the time that audio processing equipment is power amplifier, audio frequency processing circuit amplifies multipath audio signal and is converted into sound to be play.
Recording control circuit, for receiving authorization signal, realizes audio processing equipment and is authorizing recording state and forbidding changing between recording state, authorizing under recording state, produces and starts or stop record command.
Playback controls circuit, can produce and start or stop play-back command.
Recording circuit, comprises analog to digital conversion electronic circuit and stored digital electronic circuit.Wherein analog to digital conversion electronic circuit, is converted to audio digital signals by audio analog signals, and is transferred to stored digital electronic circuit, and stored digital electronic circuit is converted to recording file by audio digital signals and sends memory interface to.
Playback circuitry, comprises digital-to-analog conversion electronic circuit and digital decoding electronic circuit.Wherein digital decoding electronic circuit, reads recording file by memory interface, is decoded into digital audio and video signals and is transferred to digital-to-analog conversion electronic circuit, and digital audio and video signals is converted into simulated audio signal by digital-to-analog conversion electronic circuit, and be transferred to audio frequency processing circuit.
Recording control circuit and playback controls circuit can be integrated into Control Component by circuit multiplexer, control and start or stop recording or start or stop playback; Recording circuit, playback circuitry can be integrated into processing components by circuit multiplexer, wherein record electronic circuit and playback electronic circuit is integrated into recording playback electronic circuit, for realizing the mutual conversion of digital audio and video signals and recording file, analog to digital conversion electronic circuit and digital-to-analog conversion electronic circuit are integrated into modulus/digital-to-analog conversion electronic circuit, for realizing the mutual conversion of analog and digital signal and audio digital signals.Processing components, is converted into recording file at recording state by sound signal, at playback state, recording file is converted into sound signal.When recording state, processing components becomes audio digital signals by the sound signal of audio frequency processing circuit by A/D digital-to-analogue conversion processing, and is made into recording file, stores in storer by memory interface; When playback state, processing components reads recording file by memory interface, is decoded into audio digital signals and is processed into sound signal by D/A analog-to-digital conversion to pass to audio frequency processing circuit, and audio frequency processing circuit converts sound signal to sound and plays.
Memory interface, for reading or write recording file, memory interface is one or more in FLASH storage chip interface, TF deck, SD deck and USB female seat.
Wherein audio frequency processing circuit is connected with processing components data input/output terminal, Control Component receives the signal of controller, its recording control circuit is connected with the recording circuit control end of processing components, its playback controls circuit is connected with the playback circuitry control end of processing components, the input end of memory interface is connected with the recording circuit of processing components, and its output terminal is connected with the playback circuitry of processing components.
The audio processing equipment of what the utility model provided have sound-recording function, can be wired or wireless equipment, wireline audio treatment facility, use signal wire transfer control signal and sound signal, signal and sound signal that ANTENN AUDIO treatment facility adopts wireless signal transceiver to send as mode propagation controllers such as radiowave R-T unit, infrared signal receive device.
Be below embodiment:
Embodiment 1
There is a wireless microphone for sound-recording function, comprise controller and wireless can recording microphone.Controller is that independent opertaing device is Infrared remote controller, authorization signal can be passed through to infrared emitting.Can recording microphone structure as shown in Figure 2, comprise audio frequency processing circuit, Control Component, processing components and memory interface.Wherein audio frequency processing circuit is used for picking up voice signal and is processed into sound signal, by sound signal wireless transmit to public address equipment; Control Component, for receiving the infrared authorization signal that controller sends, is authorized wireless microphone recording, and controls beginning or stop recording or start or stop playback; Processing components is used for realizing sound signal and recording file transforms; Memory interface, for being connected with respective memory, reads or writes recording file.Audio frequency processing circuit is electrically connected with processing components, and Control Component is electrically connected with processing components, and processor module is electrically connected with memory interface.
Described audio frequency processing circuit, comprises acoustic pickup electronic circuit, audio frequency processing electronic circuit and wireless transmit electronic circuit.Acoustic pickup electronic circuit is used for picking up voice signal; Audio frequency is processed electronic circuit for converting voice signal to sound signal; Wireless transmit electronic circuit is used for sound signal wireless transmit to public address equipment; Acoustic pickup electronic circuit is processed electronic circuit with audio frequency and is electrically connected, and audio frequency is processed electronic circuit and is electrically connected with wireless transmit electronic circuit.Audio frequency processing circuit is processed electronic circuit by audio frequency and is electrically connected with processing components.
Described processing components comprises modulus/digital-to-analog conversion electronic circuit and recording/playback electronic circuit, and modulus/digital-to-analog conversion electronic circuit is used for realizing sound signal and audio digital signals transforms, and recording/playback electronic circuit is used for realizing audio digital signals and recording file transforms.Modulus/digital-to-analog conversion electronic circuit is processed electronic circuit with the audio frequency of audio frequency processing circuit and is electrically connected, and recording/playback electronic circuit is electrically connected with digital-to-analogue conversion circuit, and memory interface is electrically connected with processing components recording/playback electronic circuit.
Described reservoir interface is FLASH storage chip interface, TF deck, SD deck and USB female seat.
The described wireless microphone with sound-recording function, its audio frequency processing circuit, acoustic pickup electronic circuit picks up voice signal and converts electrical signal transfer to processes electronic circuit to audio frequency, audio frequency is processed electronic circuit and Electric signal processing is become to sound signal and pass to wireless transmit electronic circuit, and sound signal is transmitted to public address equipment by wireless transmit electronic circuit.In the time starting sound-recording function, sound signal is sent to processing components by audio frequency processing circuit, modulus/digital-to-analog conversion electronic circuit of processing components is processed into audio digital signals by sound signal by D/A analog-to-digital conversion, pass to recording/playback electronic circuit in processing components, audio digital signals is made into recording file by recording/playback circuitry, stores corresponding storer into by memory interface.In the time starting playback function, in processing components, recording/playback electronic circuit is by the recording file in memory interface read memory, and be decoded into audio digital signals, pass to modulus/digital-to-analog conversion electronic circuit of processing components, modulus/digital-to-analog conversion electronic circuit becomes sound signal to pass to audio frequency processing circuit by A/D digital-to-analogue conversion processing audio digital signals, and audio frequency processing circuit can be by carrying headphones playback.
Embodiment 2
There is a wireless receiver for sound-recording function, comprise controller and the wireless receiver of can recording.Controller is that independent opertaing device is radiowave telepilot, authorization signal can be passed through to radio wave transmission.Can record receiver structure as shown in Figure 3, comprise audio frequency processing circuit, Control Component, processing components and memory interface.Wherein audio frequency processing circuit is used for received audio signal and changes into audio output signal; Control Component, for receiving the infrared authorization signal that controller sends, is authorized wireless receiver recording, and controls beginning or stop recording or start or stop playback; Processing components is used for realizing sound signal and recording file transforms; Memory interface, for being connected with respective memory, reads or writes recording file.Audio frequency processing circuit is electrically connected with processing components, and Control Component is electrically connected with processing components, and processor module is electrically connected with memory interface.
Described audio frequency processing circuit, comprises that wireless receiving electronic circuit, audio frequency are processed electronic circuit and audio frequency amplifies electronic circuit.Wireless receiving electronic circuit is used for received audio signal, and passes to audio frequency processing electronic circuit; Audio frequency is processed electronic circuit sound signal is passed to audio frequency amplification electronic circuit; Audio frequency amplifies electronic circuit sound signal is converted into audio output signal.Audio frequency processing circuit is processed electronic circuit by audio frequency and is electrically connected with processing components.
Described processing components comprises modulus/digital-to-analog conversion electronic circuit and recording/playback electronic circuit, and modulus/digital-to-analog conversion electronic circuit is used for realizing sound signal and audio digital signals transforms, and recording/playback electronic circuit is used for realizing audio digital signals and recording file transforms.Modulus/digital-to-analog conversion electronic circuit is processed electronic circuit with the audio frequency of audio frequency processing circuit and is electrically connected, and recording/playback electronic circuit is electrically connected with modulus/digital-to-analog conversion electronic circuit, and memory interface is electrically connected with processing components recording/playback electronic circuit.
Described reservoir interface is FLASH storage chip interface, TF deck, SD deck and USB female seat
The described wireless receiver with control sound-recording function, in its audio frequency processing circuit, wireless receiving electronic circuit received audio signal, and pass to audio frequency process electronic circuit, audio frequency is processed electronic circuit sound signal is passed to audio frequency amplification electronic circuit, and audio frequency amplifies electronic circuit sound signal is converted into audio output signal output.In the time starting sound-recording function, audio frequency is processed electronic circuit sound signal is sent to processing components, modulus/digital-to-analog conversion electronic circuit of processing components is processed into audio digital signals by sound signal by D/A analog-to-digital conversion, pass to recording/playback electronic circuit in processing components, audio digital signals is made into recording file by recording/playback circuitry, stores corresponding storer into by memory interface.In the time starting playback function, in processing components, recording/playback electronic circuit is by the recording file in memory interface read memory, and be decoded into audio digital signals, modulus/digital-to-analog conversion the electronic circuit that passes to processing components, modulus/digital-to-analog conversion electronic circuit becomes sound signal to pass to audio frequency processing circuit by A/D digital-to-analogue conversion processing audio digital signals.
Embodiment 3
There is a power amplifier for sound-recording function, comprise controller and the power amplifier of can recording.Controller is integrated with the power amplifier of can recording, and authorization signal is wired RS232 signal.Can record power amplifier structure as shown in Figure 4, comprise audio frequency processing circuit, Control Component, processing components and memory interface.Wherein audio frequency processing circuit is used for receiving multipath audio signal and changes into audio amplification signal; Control Component is for receiving wired RS232 authorization signal that controller sends, and control starts or stops recording or starts or stop playback; Processing components is used for realizing sound signal and recording file transforms; Memory interface, for being connected with respective memory, reads or writes recording file.Audio frequency processing circuit is electrically connected with processing components, and Control Component is electrically connected with processing components, and processor module is electrically connected with memory interface.
Described audio frequency processing circuit, comprises multichannel voice frequency input electronic circuit, audio frequency processing electronic circuit and power amplification electronic circuit.Multichannel voice frequency input electronic circuit is used for receiving multipath audio signal, and passes to audio frequency processing electronic circuit; Audio frequency is processed electronic circuit for multipath audio signal is mixed, and passes to power amplification electronic circuit; Power amplification electronic circuit is play for mixed audio signal being changed into high-power audio signal.Audio frequency processing circuit is processed electronic circuit by audio frequency and is electrically connected with processing components.
Described processing components comprises modulus/digital-to-analog conversion electronic circuit and recording/playback electronic circuit, and modulus/digital-to-analog conversion electronic circuit is used for realizing sound signal and audio digital signals transforms, and recording/playback electronic circuit is used for realizing audio digital signals and recording file transforms.Modulus/digital-to-analog conversion electronic circuit is processed electronic circuit with the audio frequency of audio frequency processing circuit and is electrically connected, and recording/playback electronic circuit is electrically connected with digital-to-analogue conversion circuit, and memory interface is electrically connected with processing components recording/playback electronic circuit.
Described reservoir interface is FLASH storage chip interface, TF deck, SD deck and USB female seat.
The described power amplifier with sound-recording function, in its audio frequency processing circuit, multichannel voice frequency input electronic circuit receives multipath audio signal, and pass to audio frequency process electronic circuit, audio frequency is processed electronic circuit multipath audio signal is mixed, and mixed audio signal is passed to power amplification electronic circuit, power amplification electronic circuit changes into high-power audio signal by mixed audio signal and plays.In the time starting sound-recording function, sound signal is sent to processing components by audio frequency processing circuit, modulus/digital-to-analog conversion electronic circuit of processing components is processed into audio digital signals by sound signal by D/A analog-to-digital conversion, pass to recording/playback electronic circuit in processing components, audio digital signals is made into recording file by recording/playback electronic circuit, stores corresponding storer into by memory interface.In the time starting playback function, in processing components, recording/playback electronic circuit is by the recording file in memory interface read memory, and be decoded into audio digital signals, modulus/digital-to-analog conversion the electronic circuit that passes to processing components, modulus/digital-to-analog conversion electronic circuit becomes sound signal to pass to audio frequency processing circuit by A/D digital-to-analogue conversion processing audio digital signals.
Embodiment 4
Multiple audio processing equipments form an audio frequency processing system, as shown in Figure 5, comprise many can recording microphone, many can record receiver and the power amplifiers of can recording.Wherein a controller is independent remote controllers, has overall control authority, is overall telepilot, can control all devices in described audio frequency processing system.
When overall telepilot sends authorization signal, authorize when recording, the sound pick-up outfit that receives authorization signal switches to can recording state, can pass through recording control circuit, controls described audio processing equipment and starts to stop to record; When overall telepilot sends authorization signal, while forbidding recording, the sound pick-up outfit that receives authorization signal switches to can not recording state, can not record.Described overall telepilot can easily be controlled audio processing equipment recording.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims (8)

1. an audio processing equipment with sound-recording function, is characterized in that, comprises audio frequency processing circuit, recording circuit, recording control circuit and memory interface, wherein:
Audio frequency processing circuit, its output terminal connects recording circuit input end, for realizing sound and sound signal transforms mutually;
Recording circuit, its input end connects the output terminal of audio frequency processing circuit, and its control end connects recording control circuit output terminal, its output terminal connected storage interface;
Recording control circuit, its output terminal connects recording circuit control inputs, for receiving authorization signal, realizes audio processing equipment and is authorizing recording state and forbidding changing between recording state, authorizing under recording state, produces and starts or stop record command;
Memory interface, its input end connects recording circuit output terminal, for storing described recording file into corresponding storer.
2. audio processing equipment as claimed in claim 1, is characterized in that, also comprises controller, and described controller and recording circuit are wireless or wired connection.
3. audio processing equipment as claimed in claim 2, is characterized in that, described controller is overall drm controller.
4. audio processing equipment as claimed in claim 2, is characterized in that, described controller is radiowave telepilot, Infrared remote controller or wired RS232 controller.
5. the audio processing equipment as described in claim 2 to 4 any one, is characterized in that, also comprises playback circuitry and playback controls circuit, wherein:
Playback circuitry, its input end connected storage interface, its control input end connects playback controls circuit output end, and its output terminal connects the input end of audio frequency processing circuit, and the recording file reading for decoding storage interface is also converted into sound signal;
Playback controls circuit, its output terminal connects playback circuitry control input end, for generation of starting or stop playback signal;
Described memory interface is also for reading the recording file of respective memory.
6. audio processing equipment as claimed in claim 5, is characterized in that, described recording control circuit and playback controls circuit are integrated into Control Component, and recording circuit and playback circuitry are integrated into processing components.
7. audio processing equipment as claimed in claim 1, is characterized in that, described audio processing equipment is microphone, receiver or power amplifier.
8. audio processing equipment as claimed in claim 1, is characterized in that, described memory interface is one or more in FLASH storage chip interface, TF deck, SD deck and USB female seat.
CN201320703751.0U 2013-11-08 2013-11-08 Audio processing equipment with recording control function Expired - Fee Related CN203631121U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107205191A (en) * 2017-07-24 2017-09-26 成都杰华科技有限公司 A kind of interior recording device extended by ear microphone jack and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107205191A (en) * 2017-07-24 2017-09-26 成都杰华科技有限公司 A kind of interior recording device extended by ear microphone jack and method
CN107205191B (en) * 2017-07-24 2019-04-30 成都杰华科技有限公司 A kind of interior recording device extended by ear microphone jack and method

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