CN103369304A - Video and audio recorder - Google Patents
Video and audio recorder Download PDFInfo
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- CN103369304A CN103369304A CN2013102549451A CN201310254945A CN103369304A CN 103369304 A CN103369304 A CN 103369304A CN 2013102549451 A CN2013102549451 A CN 2013102549451A CN 201310254945 A CN201310254945 A CN 201310254945A CN 103369304 A CN103369304 A CN 103369304A
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Abstract
The invention discloses a video and audio recover, which comprises a host module and a sub-machine module. The host module comprises a control unit, a display unit, a video and audio input and output unit, a radio frequency receiving unit and a radio frequency transmission unit, wherein the control unit is connected with the display unit, a photographic unit, the video input and output unit, the radio frequency receiving unit and the radio frequency transmission unit respectively. The sub-machine module comprises a control unit, a display unit, a key unit, a decoding unit, a radio frequency transmission unit and a radio frequency receiving unit, wherein the control unit is connected with the display unit, the key unit, the decoding unit and the radio frequency transmission unit respectively; and the decoding unit is connected with the radio frequency receiving unit and the display unit respectively. The video and audio recorder comprises the host module and the sub-machine module, which transmit information to each other through radio frequency modules, so that the shortcoming that the conventional video and audio recorder only can display videos and audios on a host, and is low in concealment is overcome.
Description
Technical field
The invention belongs to consumer applying electronic field, be specifically related to a kind of design of looking the audio recording instrument of subsidiary handset.
Background technology
In this information age of our daily life, depending on the record of audio frequency with obtain social activities, the work that becomes gradually people, and the important channel of external information is understood by various organization or government.The develop rapidly of the technology such as Multimedia Compression, network communication, large scale integrated circuit, computer impels to be widely applied to the every field such as finance, hotel, traffic administration, market, school, factory about the system of looking audio frequency.But in the existing audio recording instrument scheme of looking, be illustrated in figure 1 as the structural representation of looking the audio recording instrument in the prior art, this is looked the audio recording instrument and generally only can look audio frequency at main frame and display the play and operate, can't realize straighforward operation and monitoring to looking the audio recording instrument, the convenience aspect of the disguise of its operation, use is more undesirable.
Summary of the invention
Technical problem to be solved by this invention provides a kind of audio recording instrument of looking, and this looks the audio recording instrument can have disguise at the subsidiary enterprising line operate of handset, and easy to operate.
The technical scheme that the present invention solves its technical problem employing is: a kind of audio recording instrument of looking comprises host module and handset module; Described host module comprises control unit, display unit, looks audio frequency input-output unit, rf receiver unit and rf transmitter unit, and described control unit is connected with described display unit, image unit, video input output unit, rf receiver unit and rf transmitter unit respectively; Described handset module comprises control unit, display unit, push-button unit, decoding unit, rf transmitter unit and rf receiver unit, described control unit is connected with display unit, push-button unit, decoding unit and rf transmitter unit respectively, and described decoding unit is connected with display unit with rf receiver unit respectively;
Control unit in the described host module is used for processing, compressing and to store looking the video/audio signal that the audio frequency input-output unit collects, and coordinate the work of other units, described rf receiver unit is used for receiving the radiofrequency signal that the handset module sends, and described rf transmitter unit is used for to handset module transmitting data information;
Control unit in the described handset module is used for the control command of scanning push-button unit input, and the control rf transmitter unit sends radiofrequency signal to host module, described rf receiver unit is used for the data message that the Receiving Host module sends, described decoding unit is used for described data message is decoded, and exports display unit to.
Further, the rf transmitter unit in the described host module and the rf receiver unit in the handset module adopt the wave band of 2.4GHz to carry out communication.
Further, the rf transmitter unit in rf receiver unit and the handset module adopts the wave band of 433.92MHz to carry out communication in the described host module.
Further, described host module also comprises the peripheral hardware memory cell, and described peripheral hardware memory cell comprises SD card and/or flash memory.
Further, the audio frequency input-output unit of looking in the described host module comprises camera unit, microphone unit and buzzer unit, described camera unit is used for gathering vision signal, and described microphone unit is used for input audio signal, and described buzzer unit is used for output audio signal.
Further, described host module and handset module also comprise lithium battery and lithium battery administrative unit, and described lithium battery is used for providing power supply to other units, and described lithium battery administrative unit is used for the operating state of management lithium battery.
Further, described host module and handset module also comprise the condition prompting unit, and described condition prompting unit comprises LED light, are used for showing the operating state of host module and handset module.
Beneficial effect of the present invention: a kind of audio recording instrument of looking of the present invention not only comprises main frame, also increased the handset module on the basis of main frame, carry out mutual communication by radio-frequency module between the two, overcome the existing display operation that the audio recording instrument only can be looked at main frame audio frequency of looking, its disguised not enough shortcoming; In host module and the communication between the two of handset module, the reception of the reception of control command and transmission and data message and transmission adopt two channels to realize, the efficient of its transmission is higher, response speed is faster, and handset can real-time monitor the information such as the acquisition angles, height of host module, can realize instant adjustment, its disguise, operability are all better, have more practicality at the police audio recording instrument of looking.
Description of drawings
Fig. 1 is the structural representation of looking the audio recording instrument of the prior art;
Fig. 2 is a kind of structural representation of looking the audio recording instrument of the embodiment of the invention;
Fig. 3 is a kind of embodiment of looking the host module in the audio recording instrument of the embodiment of the invention;
Fig. 4 is a kind of embodiment of looking the handset module in the audio recording instrument of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are further described.
Be illustrated in figure 2 as a kind of structured flowchart of looking the audio recording instrument of the embodiment of the invention, it comprises host module and handset module; Described host module comprises control unit, display unit, looks audio frequency input-output unit, rf receiver unit and rf transmitter unit, and described control unit is connected with described display unit, image unit, video input output unit, rf receiver unit and rf transmitter unit respectively; Described handset module comprises control unit, display unit, push-button unit, decoding unit, rf transmitter unit and rf receiver unit, described control unit is connected with display unit, push-button unit, decoding unit and rf transmitter unit respectively, and described decoding unit is connected with display unit with rf receiver unit respectively;
Control unit in the described host module is used for processing, compressing and to store looking the video/audio signal that the audio frequency input-output unit collects, and coordinate the work of other units, described rf receiver unit is used for receiving the radiofrequency signal that the handset module sends, and described rf transmitter unit is used for to handset module transmitting data information;
Control unit in the described handset module is used for the control command of scanning push-button unit input, and the control rf transmitter unit sends radiofrequency signal to host module, described rf receiver unit is used for the data message that the Receiving Host module sends, described decoding unit is used for described data message is decoded, and exports display unit to.
A kind of audio recording instrument of looking of the present invention is by increasing the handset module, and the employing radio-frequency technique realizes communication between the two, overcome the audio recording instrument of looking of the prior art and only can in the drawback of the enterprising line operate of main frame, further improve disguise, simplicity and the practicality of its use.
Wherein, the rf transmitter unit in the described host module and the rf receiver unit in the handset module adopt the wave band of 2.4GHz to carry out communication; Rf transmitter unit in the described host module in rf receiver unit and the handset module adopts the wave band of 433.92MHz to carry out communication.Communication between described host module and the handset module is finished within two channels respectively, does not interfere with each other between the transmission of realization control command and the transmission of data message, has improved transmission response efficient.
The below can understand and implement this programme for the ease of the those of ordinary skill in field, will do detailed description to the unit in host module and the handset module.
Wherein, it at first is host module, be illustrated in figure 3 as a kind of embodiment of looking the host module in the audio recording instrument of the present invention, it comprises: control unit, display unit, look audio frequency input-output unit, rf receiver unit, rf transmitter unit, peripheral hardware memory cell; Described control unit can be comprised of peace despot's A2S-A1-RH master chip and peripheral circuit, is responsible for collecting looking the audio frequency input-output unit control of image processing, coding, compression storage and other unit sequential of video/audio signal; Rf receiver unit adopts the 433.92MHz wave band to carry out communication, wherein rf receiver unit comprises again reception control unit, receiving demodulation unit and reception memory cell, described reception control unit can be comprised of EM78P153SNJ8 position single-chip microcomputer and peripheral circuit, be responsible for the 433.92MHZ radio-frequency (RF) control signal that receives is identified, process, described receiving demodulation unit can be comprised of MICREF211 chip and radio-frequency antenna, be responsible for the 433.92MHZ carrier frequency signaling is accepted and demodulation, be converted into the manageable CMOS high-low level of single-chip microcomputer signal, described reception memory cell can be comprised of the AT24C64flash memory, is responsible for the information such as storing received control unit program and communications protocol; Rf transmitter unit adopts the 2.4GHz wave band to carry out communication, and it can be comprised of the TX240192.4GHz radiofrequency emitting module, is responsible for vision signal is modulated to 2.4GHz, launches by carrier wave again; Display unit can be comprised of 2.0 cun 262K full colors of 240 * 160 resolution liquid crystal module, is responsible for display video signal; Can comprise camera unit, microphone unit and buzzer unit depending on the audio frequency input-output unit, also can comprise power amplifier and loudspeaker unit, the function of video signal collective input is responsible in described camera unit, the vision signal of output YUV or rgb format, described microphone unit is responsible for the Gather and input function of audio signal; Described peripheral hardware memory cell comprises SD card and/or flash memory, and that be used for to be responsible for that storage looks the audio frequency input-output unit collects looks audio file information and control command information etc.
Secondly be the handset module, be illustrated in figure 4 as a kind of embodiment of looking the handset module in the audio recording instrument of the present invention, it comprises: control unit, display unit, push-button unit, decoding unit, rf transmitter unit and rf receiver unit; Described control unit can be comprised of EM78P153SNJ8 position single-chip microcomputer and peripheral components, is responsible for each unit sequential of control system, coordinates push-button unit, the work such as decoding unit, display unit; Decoding unit can be comprised of TW9900 master chip and peripheral components, the responsible CVBS vision signal that rf receiver unit is received, and the vision signal that is converted to rgb format exports display unit to; Rf receiver unit adopts the 2.4GHz wave band to carry out communication, and it can be comprised of Zi2188 master chip and 2.4GHz radio-frequency antenna, is responsible for received 2.4GHz carrier signal is demodulated into the CVBS signal, exports decoding unit to; Rf transmitter unit adopts the 433.92MHz wave band to carry out communication, wherein rf transmitter unit comprises again emission controlling unit, emission memory cell and carrier wave generating unit, described emission controlling unit can be comprised of EM78P153SNJ8 position single-chip microcomputer and peripheral components, be responsible for key-press input is switched to the key assignments code according to communications protocol, export antenna to by the IO mouth again; Described emission memory cell can be comprised of the AT24C64flash memory, is responsible for the information such as stored transmit control unit program and key assignments, communications protocol; Described carrier wave generating unit can be comprised of the 433.92MHz carrier generator, and being responsible for the generation amplitude is the 433.92MHz carrier signal of 1.5V, after superposeing with the emission controlling unit output signal, goes out through antenna transmission; Display unit can be comprised of 1.5 cun 262K full colors of 240 * 160 resolution liquid crystal module, is responsible for display video signal.
Below in conjunction with foregoing main frame and handset workflow each other are described in detail, wherein describe as an example of the collection video image example: after the push-button unit of handset module detects key-press input, control unit is identified button, the key set code of correspondence is sent to 433.92MHZ radio-frequency transmissions control unit, it is converted to the key assignments code with this key set code, after the 433.92MHZ carrier frequency with the generation of 433.92MHZ carrier wave generating unit superposes, by antenna transmission.
The 433.92MHZ radio frequency reception demodulating unit of host module is after receiving the control signal that handset launches, signal is carried out exporting control unit to after the demodulation, the vision signal that the vision signal of the yuv format that it collects the camera unit according to the instruction of handset module is converted to CVBS exports the 2.4GHZ rf transmitter unit to, meanwhile the vision signal Transpression that also the camera unit gathered of control unit is the digital signal of form H.264, deposit in the peripheral memory SD card, the 2.4GHZ rf transmitter unit is launched after the vision signal of CVBS form is modulated to the 2.4GHZ frequency.
The 2.4GHZ rf receiver unit of handset module is after receiving the 2.4GHZ carrier signal, it is carried out demodulation is reduced to the CVBS format signal and exports decoding unit to, it is converted to the CVBS format signal and exports display unit to behind the rgb format signal and show, register configuration and the control of display unit are finished by iic bus by control unit.
So far, the user can be on the handset module the taken vision signal of camera of preview host module, vision signal also is deposited in the peripheral hardware memory cell SD card of host module simultaneously.In addition, the working-flow of the functions such as preview of taking pictures, record, make a video recording is also similar with the above-mentioned course of work, and the below is not doing concrete introduction.
Claims (7)
1. look the audio recording instrument for one kind, it is characterized in that, comprise host module and handset module; Described host module comprises control unit, display unit, looks audio frequency input-output unit, rf receiver unit and rf transmitter unit, and described control unit is connected with described display unit, image unit, video input output unit, rf receiver unit and rf transmitter unit respectively; Described handset module comprises control unit, display unit, push-button unit, decoding unit, rf transmitter unit and rf receiver unit, described control unit is connected with display unit, push-button unit, decoding unit and rf transmitter unit respectively, and described decoding unit is connected with display unit with rf receiver unit respectively;
Control unit in the described host module is used for processing, compressing and to store looking the video/audio signal that the audio frequency input-output unit collects, and coordinate the work of other units, described rf receiver unit is used for receiving the radiofrequency signal that the handset module sends, and described rf transmitter unit is used for to handset module transmitting data information;
Control unit in the described handset module is used for the control command of scanning push-button unit input, and the control rf transmitter unit sends radiofrequency signal to host module, described rf receiver unit is used for the data message that the Receiving Host module sends, described decoding unit is used for described data message is decoded, and exports display unit to.
2. a kind of audio recording instrument of looking as claimed in claim 1 is characterized in that, the rf receiver unit in the rf transmitter unit in the described host module and the handset module adopts the wave band of 2.4GHz to carry out communication.
3. a kind of audio recording instrument of looking as claimed in claim 1 is characterized in that, the rf transmitter unit in the described host module in rf receiver unit and the handset module adopts the wave band of 433.92MHz to carry out communication.
4. such as the described a kind of audio recording instrument of looking of each claim of claims 1 to 3, it is characterized in that, described host module also comprises the peripheral hardware memory cell, and described peripheral hardware memory cell comprises SD card and/or flash memory.
5. such as the described a kind of audio recording instrument of looking of each claim of claims 1 to 3, it is characterized in that, the audio frequency input-output unit of looking in the described host module comprises camera unit, microphone unit and buzzer unit, described camera unit is used for gathering vision signal, described microphone unit is used for input audio signal, and described buzzer unit is used for output audio signal.
6. such as the described a kind of audio recording instrument of looking of each claim of claims 1 to 3, it is characterized in that, described host module and handset module also comprise lithium battery and lithium battery administrative unit, described lithium battery is used for providing power supply to other units, and described lithium battery administrative unit is used for the operating state of management lithium battery.
7. such as the described a kind of audio recording instrument of looking of each claim of claims 1 to 3, it is characterized in that, described host module and handset module also comprise the condition prompting unit, and described condition prompting unit comprises LED light, are used for showing the operating state of host module and handset module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102549451A CN103369304A (en) | 2013-06-25 | 2013-06-25 | Video and audio recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102549451A CN103369304A (en) | 2013-06-25 | 2013-06-25 | Video and audio recorder |
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| Publication Number | Publication Date |
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| CN103369304A true CN103369304A (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013102549451A Pending CN103369304A (en) | 2013-06-25 | 2013-06-25 | Video and audio recorder |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2814829Y (en) * | 2005-08-05 | 2006-09-06 | 深圳Tcl新技术有限公司 | Apparatus for 2.4 GHZ radio simulating near-distance transmitting audio-video frequency signal |
| US20080151126A1 (en) * | 2006-12-20 | 2008-06-26 | Amtran Technology Co., Ltd. | Remote control having audio-visual function |
| CN201266988Y (en) * | 2006-08-11 | 2009-07-01 | 思坦科技（深圳）有限公司 | Digital image monitoring system |
| CN102833528A (en) * | 2012-09-10 | 2012-12-19 | 武汉华中天经光电系统有限公司 | Wireless audio and video monitoring system |
| CN203482322U (en) * | 2013-06-25 | 2014-03-12 | 四川虹视显示技术有限公司 | Video-audio recorder |
-
2013
- 2013-06-25 CN CN2013102549451A patent/CN103369304A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2814829Y (en) * | 2005-08-05 | 2006-09-06 | 深圳Tcl新技术有限公司 | Apparatus for 2.4 GHZ radio simulating near-distance transmitting audio-video frequency signal |
| CN201266988Y (en) * | 2006-08-11 | 2009-07-01 | 思坦科技（深圳）有限公司 | Digital image monitoring system |
| US20080151126A1 (en) * | 2006-12-20 | 2008-06-26 | Amtran Technology Co., Ltd. | Remote control having audio-visual function |
| CN102833528A (en) * | 2012-09-10 | 2012-12-19 | 武汉华中天经光电系统有限公司 | Wireless audio and video monitoring system |
| CN203482322U (en) * | 2013-06-25 | 2014-03-12 | 四川虹视显示技术有限公司 | Video-audio recorder |
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Application publication date: 20131023 |