CN201044476Y - Home theater circuit - Google Patents
Home theater circuit Download PDFInfo
- Publication number
- CN201044476Y CN201044476Y CNU2007201211908U CN200720121190U CN201044476Y CN 201044476 Y CN201044476 Y CN 201044476Y CN U2007201211908 U CNU2007201211908 U CN U2007201211908U CN 200720121190 U CN200720121190 U CN 200720121190U CN 201044476 Y CN201044476 Y CN 201044476Y
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- home theater
- audio signal
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Abstract
The utility model discloses a home theater circuit, which comprises a central processing unit (CPU), a video signal source strobe loop, an audio signal source strobe loop , an audio signal processor, a music power amplifier, a display driving module, at least one signal reception device which receives audio and video signals and is connected with both the audio signal source strobe loop engaged in audio strobe and the video signal source strobe loop engaged in video strobe, wherein the video signal source strobe loop are connected with the CPU engaged in video processing, the CPU is also connected with the display driving module engaged in video display driving, the audio signal source strobe loop is connected with audio signal processor engaged in processing of the audio signal, the audio signal processor is connected with the music power amplifier engaged in amplification of the power. The utility model is integrated with multiple functions; therefore, the operation is made simpler, faster and more convenient. The integral design makes the utility model quite movable and suitable for arrangement in any corner of the family, without the risk of being influenced by the area or space of the circumstances.
Description
Technical field
The utility model relates to the consumer electronics technology, relates in particular to the technology that multiple function electronic product combines.
Background technology
At present, traditional home theater facility comprises that kinds such as television set, tape player, DVD player, power amplifier, OK machine, equalizer, broadcast receiver, audio amplifier, kind are a lot, along with the progress of science, the consumption appliance series products is reformed to digitlization from simulated.
As shown in Figure 1, structural representation block diagram for traditional home theater facility system, this traditional home theater facility system mainly comprises broadcast receiver 101, karaoke machine 102, tape player 103, DVD player 104, equalizer 105, power amplifier 106, audio amplifier 107, television set 108, electric supply system 109.
As shown in Figure 1, for forming traditional home theater facility system, must adopt connecting line to couple together a plurality of independently electronic equipments, Source Music 101, karaoke machine 102, tape player 103, DVD player 104, television set 108, electric supply system 109 links to each other with equalizer 105 respectively, broadcast receiver 101, karaoke machine 102, tape player 103, DVD player 104, behind the audio signal input equalizer 105 of television set 108, could carry out Audio Signal Processing by equalizer 105, the audio signal after equalizer 105 is handled could be sent to audio amplifier 107 by power amplifier 106 and play.
Above-mentioned traditional-family's movie theatre facility system, owing to need to adopt connecting line to couple together a plurality of independently electronic equipments, so the concrete shortcoming of traditional home theater is as follows:
1, the area that takes up room is bigger, and the holding wire that connects between the equipment is many and complicated
The complete household audio and video system of one cover, signal source (broadcast receiver 101 must be arranged, karaoke machine 102, tape player 103, DVD player 104 etc.), small-signal is handled and is amplified (equalizer 105), the encoding and decoding of audio-video signal, audio-video signal power amplification (power amplifier 106), voice signal reduction (audio amplifier 107), the process of vision signal reduction (television set 108), the whole system complexity, the essential line of each link is errorless, could guarantee that complete equipment is working properly, the audio frequency and video connecting line of annex, selecting for use of audio amplifier line, the quality of quality directly has influence on visual and sound effects.The collocation of technical parameter between the equipment, between power amplifier 106 and audio amplifier 107, selecting for use of technical parameter such as power, impedance, frequency response all can have influence on visual and sound effects, power does not match, might burn out equipment, accomplish this point, also must pass through the professional person.
2, poor mobility
Television set 108, power amplifier 1 06 etc. are as traditional home theater terminal equipment, because volume is big, equipment is heavy, can not often move, are subjected to local limitation.
3, inconvenient operation
Each home theater facility has the infrared remote controller that it is independently controlled, has infrared remote controller respectively as DVD player 104, television set 108, so the complete household audio and video system of a cover will need several infrared remote controllers, brings many inconvenience to the user.
4, compatible bad
Along with progress of science and technology, products such as new generation digital product such as digital camera, video camera, MP3 player, portable mobile TV, Digital Television are promoted successively, want the audio, video data on the digital product is play on audio-visual devices, the form that must convert on the audio-visual devices to be supported by a series of complex operations of computer also, after digital information is handled through digital and analog-converted, the part useful information can be lost, and influences visual and sound effects.If watch Digital Television, also need to increase top box of digital machine (DVB), digital information also needs numeral and analog-converted to handle.
The utility model content
In view of this, it is a kind of that the purpose of the utility model is to provide, and makes that the holding wire that connects between the equipment of home theater is simple, and compatibility is good.
A kind of home theater circuit, wherein, described home theater circuit comprises: central processing unit, video signal source gating loop, audio signal source gating loop, audio signal processor, the musical power amplifier, driver module, at least one signal receiving device, receiver, video, the signal receiving device of audio signal connects the video signal source gating loop of carrying out video gating, carry out the audio signal source gating loop of audio frequency gating, video signal source gating loop connects the central processing unit that carries out Video processing, central processing unit also connects the driver module that carries out the video display driver, and audio signal source gating loop connects the audio signal processor that carries out Audio Signal Processing, and audio signal processor connects the musical power amplifier that carries out power amplification.
Described at least one signal receiving device comprises broadcast receiver, karaoke machine, and tape player, the DVD/CD machine, television set is at least a.
Described central processing unit is the DVD+DVB central processing unit, and described DVD+DVB central processing unit comprises that DVD raises clothes signal processing, MPEG coding and decoding video, audio frequency DSP, USB Card Reader decoder, DVBTS flows signal decoding circuit.
Described home theater circuit also comprises the USB card reader, and described USB card reader connects central processing unit.
Described home theater circuit also comprises the outside spread signal source that connects audio-visual devices, and described outside spread signal source connects video signal source gating loop, audio signal source gating loop.
Described home theater circuit also comprises the unified remote-control receiving circuit that whole home theater is controlled, and described remote-control receiving circuit connects central processing unit.
Described home theater circuit also comprises the LCDs of carrying out the video demonstration, and described LCDs connects driver module.
Compared with prior art, the utility model is owing to utilize audio signal source gating loop, video signal source gating loop, central processing unit can be finished a series of function to whole home theater, need not external tv machine and power amplifier audio amplifier, this home theater just can one-stop reduction visual and sound effects, have significantly reduced loaded down with trivial details in the past line worry.Integrated design, simple to operate, the control of the whole microcomputer central processing units of audio frequency and video visual and sound effects, the user need not worry in the past because the collocation problem of technical parameter between the equipment causes damage equipment.
Description of drawings
Fig. 1 is the structural representation block diagram of traditional home theater facility system;
Fig. 2 is the circuit structure schematic block diagram of the home theater of the utility model better embodiment;
Fig. 3 is the circuit structure block diagram that the playing digital television signal of the utility model better embodiment is handled.
Embodiment
For the purpose, technical scheme, the advantage that make the utility model is clearer and more definite, clear, the technical scheme of the utility model is described in further detail below in conjunction with embodiment, accompanying drawing.
As shown in Figure 2, circuit structure schematic block diagram for the home theater of the utility model better embodiment, this home theater mainly comprises outside spread signal source 201, radio receiver module 202, TV-set receiving module 203, DVD/CD Play System 204, USB/ card reading system 205, card reader coding module 206, driver module 207, LCDs 208, Audio Signal Processing 209, musical power amplifier 210, audio amplifier unit 211, audio signal source gating loop 212, video signal source gating loop 213, central processing unit 214, remote-control receiving circuit 215, power supply 216.Wherein, central processing unit 214 can be the DVD+DVB processor.
Outside spread signal source 201, TV-set receiving module 203, the video line of DVD/CD Play System 204 all connects video signal source gating loop 213, outside spread signal source 201, radio receiver module 202, TV-set receiving module 203, the tone frequency channel wire of DVD/CD Play System 204 all connects audio signal source gating loop 212.Video signal source gating loop 213 connects central processing unit 214 and driver module 207 simultaneously, and driver module 207 links to each other with LCDs 208 again.Audio signal source gating loop 212 connects musical power amplifier 210, and musical power amplifier 210 links to each other with central processing unit 214, audio amplifier unit 211 more simultaneously.
USB/ card reading system 205 connects card reader coding module 206, and USB/ card reading system 205 connects central processing unit 214 again.
Power supply 216 provides power supply for the circuit of whole home theater.
As shown in Figure 2, outside spread signal source 201 can connect outside audio-visual devices, is convenient to the future products upgrading and uses.Radio receiver module 202 can receive simulation radio reception and digital radio program.TV-set receiving module 203 can receive simulated television and digital television program.DVD/CD Play System 204 can be play at present program such as popular DVD/CD/VCD on the market.USB/ card reading system 205 can directly be connected with present digital product, and plug and play is play in real time, can directly read video, photo and music data on SD/MMC card, iPod, the USB memory device, reappears in audio-visual devices.Card reader coding module 206, main effect are that gating Card Reader signal source is handled, logical data flow conversion, and the central processing unit 214 that enters system carries out audio frequency and video to be handled.Driver module 207 carries out the video display driver, can drive LCDs 208.LCDs 208, the vision signal that final reduction needs is carried out video and is shown.Audio signal processor 209 carries out music signal and handles, high low pitch joint, and analog loop is around sonication.Musical power amplifier 210 is the music signal power amplification.Audio amplifier unit 211 reduces music signal.The gating of musical passage is carried out in audio signal source gating loop 212.The gating of video channel is carried out in video signal source gating loop 213.Central processing unit 214, can be the DVD+DVB central processing unit, comprise that DVD raises clothes signal processing, MPEG coding and decoding video, audio frequency DSP, USB Card Reader decoder and various state control circuit, DVB TS and flows signal decoding circuit, focusing on of various signals, remote-control receiving circuit 215, unification is controlled whole home theater.
Because the signal that outside spread signal source 201, TV-set receiving module 203, DVD/CD Play System 204 receive all can have audio signal and vision signal, what radio receiver module 202 received is audio signal, so their course of work is similar substantially, therefore, the course of work for ease of the home theater of describing Fig. 2, below in conjunction with Fig. 3, receiving audio-video signal with TV-set receiving module 203 is that example describes, and Fig. 3 is the signal processing when user-selected number word TV signal.
As shown in Figure 3, the radiofrequency signal processing procedure can be as described below, and TV-set receiving module 203 can be divided into the several sections circuit: numeral and analog television tuner, digital DVB demodulator circuit, simulated television demodulator circuit.Receiving the course of work for simulated television is: the radio-frequency antenna received RF input signal of TV-set receiving module 203, central processing unit 214 is given numeral and analog television tuner by the I2C data transmission format, send instruction and receive platform or channel selection, TV-set receiving module 203 begins to receive the rope radio signals, after receiving the radio station, TV-set receiving module 203 receives the information in radio station for central processing unit 214 by the I2C data transmission format, central processing unit 214 is stored into FLASH to the details in radio station, at this moment TV-set receiving module 203 is demodulated into vision signal and audio signal to the radio station radiofrequency signal through demodulation, vision signal and audio signal are respectively by handling with lower channel, video signal source is delivered to video signal source gating loop 213, the gating of video channel is carried out in video signal source gating loop 213, behind the gating, driver module 207 is delivered to vision signal in video signal source gating loop 213, drives LCDs 208 by driver module 207 and carries out the reduction of vision signal.
The Audio Signal Processing process can be as described below, and audio signal source is delivered to audio signal source gating loop 212, and the gating of voice-grade channel is carried out in audio signal source gating loop 212.Behind the gating, audio signal processor 209 is delivered to audio signal in audio signal source gating loop 212, and audio signal processor 209 carries out Audio Signal Processing, high low pitch joint, and analog loop is around sonication, and passes to musical power amplifier 210.Musical power amplifier 210 the audio signal power amplification, and is delivered to audio amplifier unit 211.Audio amplifier unit 211 reduces music signal.
For USB/ card reading system 205, can directly be connected with present digital product, plug and play, play in real time, also can directly read the SD/MMC card, iPod, video on the USB memory device, photo and music data, then the course of work of USB/ card reading system 205 can be as described below, when as long as the USB memory device is connected to USB/ card reading system 205, data format DM by the USB standard, DP gives central processing unit 214 communications, central processing unit 214 is followed the tracks of detection to this number tool in real time, the design of hommization, central processing unit 214 receives DM, behind the DP, by audio frequency DSP, the MPEG Video Codec, handle decoding, vision signal is by the MPEG coding and decoding video, output to video signal source gating loop 213, the gating of video channel is carried out in video signal source gating loop 213, behind the gating, driver module 207 is delivered to vision signal in video signal source gating loop 2 13, drives LCDs 208 by driver module 207 and carries out the reduction of vision signal.Audio signal is handled by audio frequency DSP, the D/A conversion, and audio signal source is delivered to audio signal source gating loop 212, and the gating of voice-grade channel is carried out in audio signal source gating loop 212.Behind the gating, audio signal processor 209 is delivered to audio signal in audio signal source gating loop 212, and audio signal processor 209 carries out Audio Signal Processing, high low pitch joint, and analog loop is around sonication, and passes to musical power amplifier 210.Musical power amplifier 210 the audio signal power amplification, and is delivered to audio amplifier unit 211.Audio amplifier unit 211 reduces music signal.
Compared with the prior art, the circuit of the home theater of above-mentioned better embodiment has the following advantages:
The utility model is included in the function that has traditional home theater now, as at tape player, DVD player, power amplifier, karaoke machine, broadcast receiver, on the bases such as audio amplifier, Digital Television (DVB-T) and TFT LCDs have been increased, utilize the audio signal source gating loop 212 of Digital Television DVB-T, video signal source gating loop 213,214 pairs of whole home theaters of central processing unit can be finished a series of function, need not external tv machine and power amplifier audio amplifier, this home theater just can one-stop reduction visual and sound effects, have significantly reduced loaded down with trivial details in the past line worry.Integrated design, simple to operate, 214 controls of the whole microcomputer central processing units of audio frequency and video visual and sound effects, the user need not worry in the past because the collocation problem of technical parameter between the equipment causes damage equipment.
Along with progress of science and technology, the new generation digital product emerges in an endless stream.The utility model product with the digital product communication on be equipped with the USB port and the card reader of present digital product standard configuration, it is USB/ card reading system 205, USB/ card reading system 205 can plug and play, full digital processing, need not support the audio, video data form directly on audio-visual devices, to play by the conversion of computer complex operations.
It is to have designed TFT LCDs 208 that another function of the utility model is improved, not needing to connect in addition TV just can TV reception and program source such as DVD, be equipped with a pair of Hi-Fi sound-box, direct reduction audio frequency and video visual and sound effects, for reducing occupied only need the operating by an infrared remote controller than large space area, global function of equipment in the household audio and video system, promptly remote-control receiving circuit 215.Thereby make the operation of this home theater simpler, convenient, fast.Because integrated design, mobility is strong, is applicable to any corner of family, does not allow to be subject to the influence of peripheral environment spatial area.
Though the utility model is described with reference to current better embodiment; but those skilled in the art will be appreciated that; above-mentioned better embodiment only is used for illustrating the utility model; be not to be used for limiting protection range of the present utility model; any within spirit of the present utility model and principle scope; any modification of being done, equivalence replacement, improvement etc. all should be included within the rights protection scope of the present utility model.
Claims (7)
1. home theater circuit, it is characterized in that, described home theater circuit comprises: central processing unit, video signal source gating loop, audio signal source gating loop, audio signal processor, the musical power amplifier, driver module, at least one signal receiving device, receiver, video, the signal receiving device of audio signal connects the video signal source gating loop of carrying out video gating, carry out the audio signal source gating loop of audio frequency gating, video signal source gating loop connects the central processing unit that carries out Video processing, central processing unit also connects the driver module that carries out the video display driver, and audio signal source gating loop connects the audio signal processor that carries out Audio Signal Processing, and audio signal processor connects the musical power amplifier that carries out power amplification.
2. home theater circuit as claimed in claim 1 is characterized in that, described at least one signal receiving device comprises broadcast receiver, karaoke machine, and tape player, the DVD/CD machine, television set is at least a.
3. home theater circuit as claimed in claim 1, it is characterized in that, described central processing unit is the DVD+DVB central processing unit, and described DVD+DVB central processing unit comprises that DVD raises clothes signal processing, MPEG coding and decoding video, audio frequency DSP, USB Card Reader decoder, DVB TS flows signal decoding circuit.
4. home theater circuit as claimed in claim 1 is characterized in that, described home theater circuit also comprises the USB card reader, and described USB card reader connects central processing unit.
5. home theater circuit as claimed in claim 1 is characterized in that, described home theater circuit also comprises the outside spread signal source that connects audio-visual devices, and described outside spread signal source connects video signal source gating loop, audio signal source gating loop.
6. home theater circuit as claimed in claim 1 is characterized in that, described home theater circuit also comprises the unified remote-control receiving circuit that whole home theater is controlled, and described remote-control receiving circuit connects central processing unit.
7. home theater circuit as claimed in claim 1 is characterized in that, described home theater circuit also comprises the LCDs of carrying out the video demonstration, and described LCDs connects driver module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201211908U CN201044476Y (en) | 2007-07-06 | 2007-07-06 | Home theater circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201211908U CN201044476Y (en) | 2007-07-06 | 2007-07-06 | Home theater circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201044476Y true CN201044476Y (en) | 2008-04-02 |
Family
ID=39259368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201211908U Expired - Fee Related CN201044476Y (en) | 2007-07-06 | 2007-07-06 | Home theater circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201044476Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104349266A (en) * | 2013-08-07 | 2015-02-11 | 钟志杰 | Indoor digital high-definition cinema and digital music karaoke compatible system |
-
2007
- 2007-07-06 CN CNU2007201211908U patent/CN201044476Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104349266A (en) * | 2013-08-07 | 2015-02-11 | 钟志杰 | Indoor digital high-definition cinema and digital music karaoke compatible system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080402 Termination date: 20150706 |
|
| EXPY | Termination of patent right or utility model |