CN200997645Y - Image-sound signal processor with high analysis - Google Patents
Image-sound signal processor with high analysis Download PDFInfo
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- CN200997645Y CN200997645Y CNU2007200002731U CN200720000273U CN200997645Y CN 200997645 Y CN200997645 Y CN 200997645Y CN U2007200002731 U CNU2007200002731 U CN U2007200002731U CN 200720000273 U CN200720000273 U CN 200720000273U CN 200997645 Y CN200997645 Y CN 200997645Y
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- audio signal
- demodulator
- receiving element
- processing unit
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Abstract
A video and audio signal processing unit with high analysis function is characterized in that: the device comprises: a 1st receiving unit for receiving wireless or wired video and audio signal; a 1st demodulator, by which the video and audio signal of the 1st receiving unit is decoded and modulated into required video and audio data format. The 1st demodulator is connected with the 1st receiving unit; a connecting interface, which can be connected with a display mechanism and is connected with the 1st demodulator; a 2nd receiving unit for receiving wireless or wired video and audio signal; a 2nd demodulator, by which the video and audio signal of the 2nd receiving unit is decoded and modulated into the required video and audio data format, and is transmitted to the display mechanism. The 2nd demodulator is respectively connected with the 1st demodulator and the 2nd receiving unit.
Description
Technical field:
The utility model relates to the high video-audio signal processing unit of resolving of a kind of tool, refers to a kind of reception sensitivity that strengthens signal especially, also can reach the effect of playing different video-audio signal pictures simultaneously.
Background technology:
Computer is handled and data preparation from the simple document of earliest period, develops till now online, receiving and dispatching mail, sees multimedia recreation functions such as television channel and real-time communication, and become one of indispensable electronic product of modern.And in order to watch television channel with computer, must connect the audio-visual signal line of TV and the connecting line of computer with the interconnecting device of TV/computer (TV/PC) in the past, also play and make computer receive the television video signal, but because this kind interconnecting device volume is bigger, and must be connected with lead, therefore, only can be applicable to desktop PC, can't be applicable to the mobile computer that portability is gone out, and because the popularizing of at present wireless and digital information, so aforementioned existing interconnecting device is required can't realisticly making.
For improving above-mentioned disappearance, just there is relevant dealer to develop a kind of video-audio signal processing unit 7 applicable to desktop PC and mobile computer, as shown in Figure 5, this digital television receiving apparatus 7 includes a control circuit board 71 in order to the running of control figure radiovisor; One signal receiver 72 is located at video-audio signal processing unit 7 inside, and in order to the signal that the receiving digital television Play System is sent, this signal receiver 72 can be installed an antenna 721; One TV tuner 73 is in order to the signal decoding/modulation that will be received; A connector 74 is connected with required mobile computer 70 (or desktop PC); So, but constitute the video-audio signal processing unit 7 of the digital program that a receiving digital television Play System transmitted.
Though but the digital program that above-mentioned video-audio signal processing unit 7 receiving digital television Play Systems are transmitted is shown to the mobile computer 70 (or desktop PC) that is connected, but because this video-audio signal processing unit 7 only has single antenna 721, therefore, only can do the search of single frequency band and can only export single picture, cause it relatively poor, and make the image quality of picture of output own also relatively poor in the sensitivity effect that receives required signal frequency range; Moreover, because this video-audio signal processing unit 7 only can receive the numeral and the analog signal of location country, and can't receive other national video-audio signal, cause it to use and limited to; So, with this video-audio signal processing unit 7 in utilization go up can't realistic use required.
The utility model content:
The technical problem that the utility model solved is: at above-mentioned the deficiencies in the prior art, provide a kind of tool high video-audio signal processing unit of resolving, can utilize first and second receiving element to receive the video-audio signal of similar frequency bands simultaneously, to strengthen the reception sensitivity of signal.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted is: the high video-audio signal processing unit of resolving of a kind of tool, and include: one receives first receiving element of wireless or wired video-audio signal; One deciphers the video-audio signal of first receiving element and modulation becomes first demodulator of required video-audio data form, and this first demodulator is connected with above-mentioned first receiving element; One connecting interface that can be connected with an indication mechanism, this connecting interface is connected with above-mentioned first demodulator; One receives second receiving element of wireless or wired video-audio signal; One deciphers the video-audio signal of second receiving element and modulation becomes required video-audio data form, and transfers to second demodulator on the indication mechanism by first demodulator, and this second demodulator is connected with above-mentioned first demodulator and second receiving element respectively.
So, this video-audio signal processing unit can utilize first and second receiving element to receive the video-audio signal of similar frequency bands simultaneously, to strengthen the reception sensitivity of signal; Also can receive a plurality of video-audio signals separately, and reach the effect of playing different video-audio signal pictures simultaneously by first receiving element.
Description of drawings:
Fig. 1 is a basic framework schematic diagram of the present utility model.
Fig. 2 is the first use illustration intention of the present utility model.
Fig. 3 is the second use illustration intention of the present utility model.
Fig. 4 is the 3rd a use illustration intention of the present utility model.
Fig. 5 is the schematic diagram of existing video-audio signal processing unit.
Label declaration:
First receiving element, 1 antenna 11
Tuner 12,12a, 12b, 12c
Multinational video-audio signal decoder 13 first demodulators 2
Connecting interface 3 second receiving elements 4
Multinational video-audio signal decoder 43 second demodulators 5
Indication mechanism 6 video-audio signal processing unit 7
Embodiment:
See also shown in Figure 1, the utility model is the high video-audio signal processing unit of resolving of a kind of tool, it is made of one first receiving element 1, one first demodulator 2, a connecting interface 3, one second receiving element 4 and one second demodulator 5 at least, can receive the video-audio signal of similar frequency bands simultaneously, to strengthen the reception sensitivity of signal, also can be by a plurality of video-audio signals of independent reception, and reach the effect of playing different video-audio signal pictures simultaneously.
Above-mentioned first receiving element of carrying 1 can be for receiving wireless or wired video-audio signal, and this first receiving element 1 includes one at least and can receive the antenna 11 of video-audio signal and several are connected tuner 12,12a, 12b, the 12c that can supply to carry out with the video-audio signal that is received signal Synchronization with this antenna 11.
This first demodulator 2 is connected with above-mentioned first receiving element 1, can be for the video-audio signal of first receiving element 1 be deciphered and modulation, and this first demodulator 2 is one video-audio signal decoding and modulation can be become the digital television demodulator of mpeg data form.
This connecting interface 3 is connected with above-mentioned first demodulator 1, and this connecting interface 3 is connectors such as USB, PCMCIA, Cardbus Express or Mini PCI.
This second receiving element 4 can be for receiving wireless or wired video-audio signal, and this second receiving element 4 includes an antenna 41 and that can receive video-audio signal at least and is connected the tuner 42 that can supply to carry out with the video-audio signal that is received signal Synchronization with this antenna 41.
This second demodulator 5 is connected with above-mentioned first demodulator 2 and second receiving element 4, can be for the video-audio signal of second receiving element 4 be deciphered and modulation, and this second demodulator 5 is one video-audio signal decoding and modulation can be become the digital television demodulator of mpeg data form.In this way, constitute a brand-new high video-audio signal processing unit of resolving of tool by said structure.
See also shown in Figure 2ly, be that of the present utility model first uses the illustration intention.As shown in the figure: during utilization, can be connected with an indication mechanism 6 by its connecting interface 3, and this indication mechanism 6 can be desktop PC, mobile computer, indication mechanisms such as PDA, and by first, two receiving elements 1,4 antenna 11,41 receive identical video-audio signal simultaneously, make this video-audio signal respectively by first, two demodulators 2,5 decipher and modulation, and export a MPEG video-audio data, and the MPEG video-audio data that this second demodulator 5 is exported sees through first demodulator 2 and transmits, this MPEG video-audio data is transferred to output on the indication mechanism 6 simultaneously, so, can utilize first, two receiving elements 1,4 receive the video-audio signal of similar frequency bands simultaneously, and decode simultaneously and be tuned as a MPEG video-audio data, when indication mechanism 6 is received, can strengthen the reception sensitivity of signal.
See also shown in Figure 3ly, be that of the present utility model second uses the illustration intention.As shown in the figure: during utilization, antenna 11 by first receiving element 1 receives different video-audio signals, make this video-audio signal carry out signal Synchronization by number tuner 12,12a, 12b, 12c respectively, decipher and modulation by first demodulator 2 again, and export required MPEG audiovisual materials, and this MPEG video-audio data transferred on the indication mechanism 6 output, so, can utilize first receiving element 1 to receive the video-audio signal of different frequency range simultaneously, and simultaneously by indication mechanism 6 is shown, and allow indication mechanism 6 can reach the effect of playing different video-audio signal pictures simultaneously.
See also shown in Figure 4ly, be that the of the present utility model the 3rd uses the illustration intention.As shown in the figure: during utilization, can be in being provided with a multinational video-audio signal decoder 13 between the tuner 12 of this first receiving element and first demodulator 2 and between the tuner 42 of this second receiving element 4 and second demodulator 5, being provided with a multinational video-audio signal decoder 43, when using, can receive simultaneously by first and second receiving element 1,4, also can receive with first receiving element 1 or second receiving element 4 respectively.Now be received as example simultaneously with first and second receiving element 1,4; This is first years old, two receiving elements 1,4 antenna 11,41 receive identical other country's video-audio signal simultaneously, make this other country's video-audio signal respectively by tuner 12,42 carry out signal Synchronization, and by multinational video- audio signal decoder 13,43 decipher, again respectively by first, two demodulators 2,5 decoding and modulations, and export a MPEG video-audio data, and the MPEG video-audio data that this second demodulator 5 is exported sees through first demodulator 2 and transmits, this MPEG video-audio data is transferred to output on the indication mechanism 6 simultaneously, so, can utilize first, two receiving elements 1,4 receive the video-audio signal of country variant simultaneously, and strengthen the reception sensitivity of signal.
In sum, the high video-audio signal processing unit of resolving of the utility model tool can effectively improve the various shortcoming of prior art, can utilize first and second receiving element to receive the video-audio signal of similar frequency bands simultaneously, to strengthen the reception sensitivity of signal, also can receive a plurality of video-audio signals separately by first receiving element, and reach the effect of playing different video-audio signal pictures simultaneously, and then can produce more progressive, more practical, more meet the user the institute must, really meet the important document of patent application, proposed patent application in accordance with the law.
Claims (8)
1, the high video-audio signal processing unit of resolving of a kind of tool, it is characterized in that: this device includes:
One receives first receiving element of wireless or wired video-audio signal;
One deciphers the video-audio signal of first receiving element and modulation becomes first demodulator of required video-audio data form, and this first demodulator is connected with above-mentioned first receiving element;
One connecting interface that can be connected with an indication mechanism, this connecting interface is connected with above-mentioned first demodulator;
One receives second receiving element of wireless or wired video-audio signal;
One deciphers the video-audio signal of second receiving element and modulation becomes required video-audio data form, and transfers to second demodulator on the indication mechanism by first demodulator, and this second demodulator is connected with above-mentioned first demodulator and second receiving element respectively.
2, the high video-audio signal processing unit of resolving of tool according to claim 1, it is characterized in that: described first receiving element includes one at least and receives the antenna of video-audio signal and several can carry out the tuner of signal Synchronization with the video-audio signal that is received, and this tuner is connected with this antenna.
3, the high video-audio signal processing unit of resolving of tool according to claim 1 is characterized in that: described first demodulator is one video-audio signal decoding and modulation can be become the digital television demodulator of mpeg data form.
4, the high video-audio signal processing unit of resolving of tool according to claim 1 is characterized in that: be provided with a multinational video-audio signal decoder that can receive the video-audio signal of a plurality of country variants between described first receiving element and first demodulator.
5, the high video-audio signal processing unit of resolving of tool according to claim 1, it is characterized in that: described connecting interface is USB, PCMCIA, Cardbus Express or Mini PCI connector.
6, the high video-audio signal processing unit of resolving of tool according to claim 1, it is characterized in that: described second receiving element includes the tuner that an antenna and that can receive video-audio signal can supply to carry out with the video-audio signal that is received signal Synchronization at least, and this tuner is connected with this antenna.
7, the high video-audio signal processing unit of resolving of tool according to claim 1 is characterized in that: described second demodulator is one video-audio signal decoding and modulation can be become the digital television demodulator of mpeg data form.
8, the high video-audio signal processing unit of resolving of tool according to claim 1 is characterized in that: being provided with one between described second receiving element and second demodulator can be for the multinational video-audio signal decoder of the video-audio signal that receives a plurality of country variants.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200002731U CN200997645Y (en) | 2007-01-18 | 2007-01-18 | Image-sound signal processor with high analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200002731U CN200997645Y (en) | 2007-01-18 | 2007-01-18 | Image-sound signal processor with high analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200997645Y true CN200997645Y (en) | 2007-12-26 |
Family
ID=38996079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200002731U Expired - Fee Related CN200997645Y (en) | 2007-01-18 | 2007-01-18 | Image-sound signal processor with high analysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200997645Y (en) |
-
2007
- 2007-01-18 CN CNU2007200002731U patent/CN200997645Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071226 Termination date: 20100220 |