CN103391409A - Operating system of multifunctional monitoring earphones - Google Patents
Operating system of multifunctional monitoring earphones Download PDFInfo
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- CN103391409A CN103391409A CN2013103141401A CN201310314140A CN103391409A CN 103391409 A CN103391409 A CN 103391409A CN 2013103141401 A CN2013103141401 A CN 2013103141401A CN 201310314140 A CN201310314140 A CN 201310314140A CN 103391409 A CN103391409 A CN 103391409A
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Abstract
The invention discloses an operating system of multifunctional monitoring earphones. The operating system of the multifunctional monitoring earphones comprises a signal input system, a plurality of signal switchers, a differential bus transceiver, a signal decoding conversion system, a frequency modulation unit and a signal output system, wherein the signal switchers comprise a first signal switcher and a second signal switcher; the signal input system is electrically connected with the first signal switcher and the frequency modulation unit; the first signal switcher and the differential bus transceiver are electrically connected to the signal output system through the second signal switcher; and the frequency modulation unit is directly and electrically connected to the signal output system. Through the scheme, the operation of the multifunctional monitoring earphones can be realized, and the operating system of the multifunctional monitoring earphones can simultaneously monitor a digital signal, an analog signal and a frequency-modulated signal in a digital audio signal covering area.
Description
Technical field
The present invention relates to a kind of operating system, particularly relate to a kind of multi-functional monitoring headpone operating system.
Background technology
To radio and television digital improvement and promotion, China overwhelming majority's radio station has been upgraded to digital broadcast system from the simulation broadcast system along with SARFT(The State Administration of Radio and Television).The links of the making of broadcast program, broadcast, transmission and emission has used a large amount of digital audio-frequency apparatus;
Compare with traditional analog machine,, although the digital device advantage is a lot, also have some inconvenience.Such as the monitoring of digital signal, just must an external digital to analog converter, after being converted to analog signal, digital signal could monitor.The provincial broadcasting broadcasting centre numerous for equipment, that signal node is various, the quick monitoring judgement of digital signal is extremely important.
As required, develop a digital cent function that has, can monitor simultaneously again the multi-functional monitoring headpone operating system of digital signal, analog signal and FM signal, control the operation of earphone.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of multi-functional monitoring headpone operating system, can realize a kind of system operation of multi-functional monitoring headpone.In the digital audio and video signals overlay area, can monitor simultaneously digital signal, analog signal and FM signal, realize the multifunctional operating system of monitoring headpone.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of multi-functional monitoring headpone operating system is provided, described multi-functional monitoring headpone operating system comprises: signal input system, a plurality of signal shifter, differential bus transceiver, signal decoding converting system, frequency modulation unit and signal output system, signal shifter comprise first signal switch and secondary signal switch; Described signal input system and first signal switch and frequency modulation unit are electrically connected, first signal switch and differential bus transceiver are electrically connected to signal output system by the secondary signal switch, and described frequency modulation unit directly is electrically connected to signal output system.
In a preferred embodiment of the present invention, described signal decoding converting system and first signal switch and secondary signal switch are electrically connected; Described first signal switch and secondary signal switch directly are electrically connected; Described differential bus transceiver and signal output system directly are electrically connected.
In a preferred embodiment of the present invention, described signal decoding converting system comprises: differential bus transceiver, decoder module and modular converter, differential bus transceiver and decoder module and modular converter are electrically connected.
In a preferred embodiment of the present invention, be provided with digital to analog converter in described modular converter, described digital to analog converter adopts serial data mode.
In a preferred embodiment of the present invention, described signal output system comprises the left and right unit of earphone and answers device and digital signal follower.
The invention has the beneficial effects as follows: the present invention can, by the system operation of differential bus transceiver and signal shifter, be divided into digital signal and analog signal with the signal of input; Utilize decoder module and modular converter that digital signal is converted into analog signal; The user, according to separately demand, outputs to the output equipments such as earphone with the signal of inputting by signal output system; Such system setting is not only oversimplified the conversion of the signal of complexity, also for the operator, brings great convenience.
Description of drawings
Fig. 1 is the multi-functional monitoring headpone operating system of the present invention schematic diagram;
Fig. 2 is the multi-functional monitoring headpone signal decoding of the present invention converting system schematic diagram.
In accompanying drawing, the mark of each parts is as follows: 1, signal input system; 2, first signal switch; 3, differential bus transceiver; 4, frequency modulation unit; 5, signal decoding converting system; 501, decoder module; 5011, decoding chip; 502, modular converter; 5021, digital to analog converter; 6, secondary signal switch; 7, signal output system; 701, device is answered in the left and right unit of earphone; 702, digital signal follower.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made more explicit defining.
The embodiment of the present invention provides following technical scheme:
See also Fig. 1, in one embodiment, a kind of multi-functional monitoring headpone operating system is provided, and described multi-functional monitoring headpone operating system comprises: signal input system 1, first signal switch 2 and secondary signal switch 6, differential bus transceiver 3, signal decoding converting system 5, frequency modulation unit 4 and signal output system 7; Include the left and right unit of earphone in described signal output system 7 and answer device 701 and digital signal follower 702.
Described differential bus transceiver 3 is preferably SN75176B, and frequency modulation unit 4 is controlled the conveying of FM receiver signal, and first signal switch 2 and secondary signal switch 6 select arbitrarily a wherein road to export the multipath input audio signal.
Described signal input system 1 is electrically connected with first signal switch 2 and frequency modulation unit 4, and first signal switch 2 is electrically connected to signal output system 7 with differential bus transceiver 3 by secondary signal switch 6.
Described signal decoding converting system 5 is electrically connected with first signal switch 2 and secondary signal switch 6; Described first signal switch 2 can directly be electrically connected with secondary signal switch 6; Described differential bus transceiver 3 and signal output system 7 directly are electrically connected.
In described signal input system 1, the signal of input comprises input audio signal and FM receiver signal, and input audio signal is divided into by first signal switch 2: digital signal and analog signal.Described digital signal is divided into again two ways of digital signals by differential bus transceiver 3: a railway digital signal is delivered directly to signal output system 7 by 702 outputs of digital signal follower; Another railway digital signal is converted into analog signal to digital signal by signal decoding converting system 5; The FM receiver signal also generates analog signal by frequency modulation unit 4, and all analog signals all output to respectively the left and right unit of earphone and answer device 701 by carrying out signal after secondary signal switch 6 conversion.
See also Fig. 2, preferably, described signal decoding converting system 5 comprises decoder module 501, modular converter 502 and differential bus transceiver 3, differential bus transceiver 3 is electrically connected by decoder module 501 and modular converter 502, decoder module 501 includes decoding chip 5011, and modular converter 502 includes digital to analog converter 5021.
The digital signal of described input decoding converting system 5, adopt differential bus transceiver 3 as digital signal audio distribution unit; Preferably, in the Digital Transmission process, in described decoder module 501, decoding chip 5011 adopts CS8416 to carry out decoding audio data.
Described digital to analog converter 5021 adopts serial data mode work, preferably, because the CS4344 dynamic range can reach 105dB, and supporting independently device of all main audio frequency data interface forms and some, is the typical number weighted-voltage D/A converter so digital to analog converter 5021 adopts CS4344.
The present invention is by the improvement and implementation to operating system, a kind of operating system of multi-functional monitoring headpone can be provided, in signal coverage areas, can be by the operation and controlling of system, monitor simultaneously digital signal, analog signal and FM signal, the effect that makes common earphone operating system have multifunctional headphone operating system after improving.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.
Claims (5)
1. multi-functional monitoring headpone operating system, it is characterized in that, described multi-functional monitoring headpone operating system comprises: signal input system, a plurality of signal shifter, differential bus transceiver, signal decoding converting system, frequency modulation unit and signal output system; Described signal shifter comprises first signal switch and secondary signal switch; Described signal input system and first signal switch and frequency modulation unit are electrically connected, first signal switch and differential bus transceiver are electrically connected to signal output system by the secondary signal switch, and described frequency modulation unit directly is electrically connected to signal output system.
2. multi-functional monitoring headpone operating system according to claim 1, is characterized in that, described signal decoding converting system and first signal switch and secondary signal switch are electrically connected; Described first signal switch and secondary signal switch directly are electrically connected; Described differential bus transceiver and signal output system directly are electrically connected.
3. multi-functional monitoring headpone operating system according to claim 1, it is characterized in that, described signal decoding converting system comprises: differential bus transceiver, decoder module and modular converter, differential bus transceiver and decoder module and modular converter are electrically connected.
4. multi-functional monitoring headpone operating system according to claim 3, is characterized in that, is provided with digital to analog converter in described modular converter, and described digital to analog converter adopts serial data mode.
5. multi-functional monitoring headpone operating system according to claim 1, is characterized in that, described signal output system comprises the left and right unit of earphone and answers device and digital signal follower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103141401A CN103391409A (en) | 2013-07-25 | 2013-07-25 | Operating system of multifunctional monitoring earphones |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103141401A CN103391409A (en) | 2013-07-25 | 2013-07-25 | Operating system of multifunctional monitoring earphones |
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| CN103391409A true CN103391409A (en) | 2013-11-13 |
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| CN2013103141401A Pending CN103391409A (en) | 2013-07-25 | 2013-07-25 | Operating system of multifunctional monitoring earphones |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103888871A (en) * | 2013-12-23 | 2014-06-25 | 衡阳加一电子科技有限公司 | Wire control device used for earphone and earphone |
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| CN1805289A (en) * | 2005-12-29 | 2006-07-19 | 北京中星微电子有限公司 | Audio processing system |
| CN101521550A (en) * | 2008-02-26 | 2009-09-02 | 启碁科技股份有限公司 | Embedded multimedia system and related digital broadcasting demodulating device thereof |
| CN101883212A (en) * | 2010-06-26 | 2010-11-10 | 大连捷成实业发展有限公司 | Listening and monitoring system for audio signals and working method thereof |
| US20110103618A1 (en) * | 2007-07-26 | 2011-05-05 | St-Ericsson Sa | Audio switch for performing audio signal switching |
| CN203445955U (en) * | 2013-07-25 | 2014-02-19 | 张科峰 | Multifunctional monitoring headphone operating system |
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2013
- 2013-07-25 CN CN2013103141401A patent/CN103391409A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1805289A (en) * | 2005-12-29 | 2006-07-19 | 北京中星微电子有限公司 | Audio processing system |
| US20110103618A1 (en) * | 2007-07-26 | 2011-05-05 | St-Ericsson Sa | Audio switch for performing audio signal switching |
| CN101521550A (en) * | 2008-02-26 | 2009-09-02 | 启碁科技股份有限公司 | Embedded multimedia system and related digital broadcasting demodulating device thereof |
| CN101883212A (en) * | 2010-06-26 | 2010-11-10 | 大连捷成实业发展有限公司 | Listening and monitoring system for audio signals and working method thereof |
| CN203445955U (en) * | 2013-07-25 | 2014-02-19 | 张科峰 | Multifunctional monitoring headphone operating system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103888871A (en) * | 2013-12-23 | 2014-06-25 | 衡阳加一电子科技有限公司 | Wire control device used for earphone and earphone |
| CN103888871B (en) * | 2013-12-23 | 2017-01-18 | 加一联创电子科技有限公司 | Wire control device used for earphone and earphone |
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Application publication date: 20131113 |
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