CN203057339U - Cable for transmitting audio/video signals and improving signal quality - Google Patents
Cable for transmitting audio/video signals and improving signal quality Download PDFInfo
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- CN203057339U CN203057339U CN 201320035190 CN201320035190U CN203057339U CN 203057339 U CN203057339 U CN 203057339U CN 201320035190 CN201320035190 CN 201320035190 CN 201320035190 U CN201320035190 U CN 201320035190U CN 203057339 U CN203057339 U CN 203057339U
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Abstract
The utility model relates to a cable for transmitting audio/video signals and improving signal quality. The cable comprises connecting parts which are arranged at two ends of the cable and a signal processing module. The connecting part at one end of the cable is connected with a signal input end of the signal processing module, and the connecting part at the other end of the cable is connected with a signal output end of the signal processing module. By the adoption of the cable for transmitting audio/video signals and improving signal quality, the following beneficial effects can be realized: as the cable for signal transmission is provided with the signal processing module, the transmitted digital audio/video signals are output after being processed such that signal quality is raised during the transmission process. Therefore, the cable has a good signal transmission effect.
Description
Technical field
The utility model relates to signal to be handled, and more particularly, relates to a kind of for the transmission tone vision signal and improve the cable of its signal quality.
Background technology
Current, the transmission tone vision signal realizes by cable between two equipment.As a rule, one in these two equipment is the source device of output audio-video signal, and one is the receiving equipment that receives audio-video signal.For example, source device may be a DVD player, and receiving equipment may be a television set.Usually, these equipment all have output or the input port of digital audio-video signal, for example HDMI (High Definition Multimedia Interface) (High Definition Multimedia Interface, HDMI), with the transmission of the digital signal that realizes equipment room.But, display end possibly can't obtain and show good audio frequency and video in the following cases: when source device output signal itself is not high-definition signal or because the characteristics of the loss of wire rod and digital audio-video signal itself when bringing some loss and noise, these signals may effect when being received not is very good, and the signal in the time of at least can specific output is better.When particularly, interference long in transmission range or noise were big, using cable to transmit above-mentioned effect with digital audio-video signal of high requirement separately was not ideal, and the decay of its signal is very fast.
The utility model content
The technical problems to be solved in the utility model is,, decay faster defective undesirable at the above-mentioned effect of prior art, provide a kind of effect better, less a kind of of decay is in the transmission tone vision signal and improve the cable of its signal quality.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind ofly for the transmission tone vision signal and improve the cable of its signal quality, comprise the link and the signal processing module that are arranged on described cable two ends; The link of described cable one end is connected with the signal input part of described signal processing module, and the link of the described cable other end is connected with the signal output part of described signal processing module.
Further, described two links is identical or inequality.
Further,, described two links are two HDMI (High Definition Multimedia Interface) plugs or HDMI (High Definition Multimedia Interface) socket or a HDMI (High Definition Multimedia Interface) plug and a HDMI (High Definition Multimedia Interface) socket.
Further, comprise that also at least one is the stand-by power supply interface of described signal processing module power supply, described stand-by power supply interface is connected with the power end of described signal processing module by unidirectional conducting parts.
Further, described stand-by power supply interface comprises USB interface or supply socket.This is under HDMI interface power taking undercurrent situation, guarantees the power supply of signal processing module.
Further, described signal processing module is arranged on any one in close described two links or is arranged on described cable middle part.
Further, described signal processing module comprises parameter regulon and the noise elimination unit that connects the picture element interpolation unit successively, is used for regulating contrast, acutance and saturation.
Further, one is HDMI (High Definition Multimedia Interface) plug or the socket of input signal in described two links, and another is the combination of HDMI (High Definition Multimedia Interface) plug or socket and analog video signal interface and the simulated audio signal interface of output signal.
Further, described signal processing module comprises parameter regulon and the noise elimination unit that connects the picture element interpolation unit successively, is used for regulating contrast, acutance and saturation; Also comprise demodulation and D/A conversion unit, described demodulation and D/A conversion unit are eliminated the unit by described noise and are obtained signal, and its demodulation is also carried out outputing to described analog video signal interface and simulated audio signal interface after the digital-to-analogue conversion to vision signal and audio signal respectively.
Implement of the present utility model a kind of for the transmission tone vision signal and improve the cable of its signal quality, has following beneficial effect: because the cable of transmission signal is provided with signal processing module, for the transmission digital audio-video signal handle after again output, make signal in the process of transmission, get a promotion, so the effect of its transmission signal is better.
Description of drawings
Fig. 1 is that the utility model is a kind of for the transmission tone vision signal and improve the structural representation of the cable embodiment of its signal quality;
Fig. 2 is a kind of structural representation of signal processing module among the described embodiment;
Fig. 3 is the another kind of structural representation of signal processing module among the described embodiment.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is described further.
As shown in Figure 1, of the present utility model a kind of for the transmission tone vision signal and improve the cable embodiment of its signal quality, this cable comprises first link 1, signal processing module 2, second link 3, wire rod 4 and stand-by power supply interface 5; First link 1 is arranged on an end of this cable, is connected with the source device of output audio-video signal, and the signal input is provided; Signal processing module 2 links to each other with first link 1, receives the audio-video signal that first link 1 is obtained, and its processing back is transported to second link 3 by wire rod 4; Second link 3 is arranged on the other end of cable, is used for being connected with receiving equipment.Stand-by power supply interface 5 provides the stand-by power supply supply for signal processing module 2.What deserves to be mentioned is, in the present embodiment, above-mentioned stand-by power supply interface 5 is not necessary, in most of the cases, can above-mentioned stand-by power supply interface 5, in these cases, the power supply of above-mentioned signal processing module 2 is to be powered by the terminal that itself is defined as the power supply supply in first link 1.And above-mentioned stand-by power supply interface 5 only is just to exist under the situation of first link, 1 electricity shortage or use.Stand-by power supply interface 5 is connected with the power end of signal processing module 2 by unidirectional conducting parts (not shown).That is to say that it is signal processing module 2 power supplies that stand-by power supply interface 5 is obtained behind the voltage by unidirectional conducting parts, to prevent electric current backflow, these unidirectional conducting parts can be diodes.In the present embodiment, when having stand-by power supply interface 5, can have one, also can have a plurality ofly, each stand-by power supply interface 5 is connected the power end of signal processing module 2 respectively by unidirectional conducting parts.
In the present embodiment, possible (under HDMI interface power taking undercurrent situation) stand-by power supply interface 5 can be that USB interface is or/and supply socket.When it is USB interface, by the USB connecting line by obtaining supply voltage on source device or the receiving equipment; When it is supply socket, by obtaining supply voltage on the independent current source of power cable by independent external or certain equipment.
In the present embodiment, above-mentioned two links can be identical, also can be inequality.For example, two links all are two HDMI(HDMI (High Definition Multimedia Interface)) plug, or all be that HDMI socket or one are the HDMI plugs, and another is the HDMI socket.Simultaneously, these two links can also one is HDMI socket or plug, and another is the combination of HDMI socket or plug and analog audio-video interface.
In Fig. 1, signal processing module 2 is arranged on the position near first link 1, and in fact, it directly is connected on first link 1, and is connected with second link 3 by wire rod 4.But shown in Fig. 1 only is a kind of situation in the present embodiment.Under some other situation, signal processing module 2 also can be arranged on the position near second link 3, directly is connected on second link 3, and is connected with first link 1 by wire rod; Can also be arranged on the cable middle part, be connected with second link 3 with first link 1 respectively by wire rod.
See also Fig. 2, Fig. 2 is a kind of structural representation of signal processing module 2 in the present embodiment, and under the situation shown in Fig. 2, two links of this cable are HDMI plug or socket; At this moment, signal processing module 2 comprises the picture element interpolation unit 21 that connects successively, parameter regulon 22 and the noise elimination unit 23 that is used for regulating contrast, acutance and saturation.Signal is eliminated unit 23 through picture element interpolation unit 21, parameter regulon 22 and noise successively and is outputed to second link 3 by 1 input of first link.The existence of these unit, not only make the signal at the input cable can be converted into the definition higher signal during for normal signal, also can be so that when input signal itself be exactly the definition higher signal, its signal quality is further improved or keeps at least not descending.
Fig. 3 is the another kind of structural representation of signal processing module 2 in the present embodiment, under the situation shown in Fig. 3, first link 1 is HDMI (High Definition Multimedia Interface) plug or the socket of input signal, and second link 3 is combinations of HDMI (High Definition Multimedia Interface) plug or socket and analog video signal interface and the simulated audio signal interface of output signal.At this moment, signal processing module 3 is except comprising that connecting picture element interpolation unit 21, parameter regulon 22 and noise successively eliminates the unit 23, also comprise demodulation and D/A conversion unit 24, the output that demodulation and D/A conversion unit 24 are eliminated unit 23 by noise is obtained signal, and its demodulation is also carried out outputing to analog video signal interface and simulated audio signal interface after the digital-to-analogue conversion to vision signal and audio signal respectively.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (9)
1. a cable that is used for the transmission tone vision signal and improves its signal quality is characterized in that, comprises the link and the signal processing module that are arranged on described cable two ends; The link of described cable one end is connected with the signal input part of described signal processing module, and the link of the described cable other end is connected with the signal output part of described signal processing module.
2. according to claim 1 for the transmission tone vision signal and improve the cable of its signal quality, it is characterized in that described two links identical or inequality.
3. according to claim 2 for the transmission tone vision signal and improve the cable of its signal quality, it is characterized in that described two links are two HDMI (High Definition Multimedia Interface) plugs or HDMI (High Definition Multimedia Interface) socket or a HDMI (High Definition Multimedia Interface) plug and a HDMI (High Definition Multimedia Interface) socket.
4. according to claim 3 for the transmission tone vision signal and improve the cable of its signal quality, it is characterized in that, comprise that also at least one is the stand-by power supply interface of described signal processing module power supply, described stand-by power supply interface is connected with the power end of described signal processing module by unidirectional conducting parts.
5. according to claim 4 for the transmission tone vision signal and improve the cable of its signal quality, it is characterized in that described stand-by power supply interface comprises USB interface or supply socket.
6. according to claim 5 for the transmission tone vision signal and improve the cable of its signal quality, it is characterized in that, described signal processing module be arranged near in described two links any one or be arranged on described cable middle part.
7. according to claim 6 for the transmission tone vision signal and improve the cable of its signal quality, it is characterized in that described signal processing module comprises parameter regulon and the noise elimination unit that connects the picture element interpolation unit successively, is used for regulating contrast, acutance and saturation.
8. according to claim 2 for the transmission tone vision signal and improve the cable of its signal quality, it is characterized in that, one is HDMI (High Definition Multimedia Interface) plug or the socket of input signal in described two links, and another is the combination of HDMI (High Definition Multimedia Interface) plug or socket and analog video signal interface and the simulated audio signal interface of output signal.
9. according to claim 8 for the transmission tone vision signal and improve the cable of its signal quality, it is characterized in that described signal processing module comprises parameter regulon and the noise elimination unit that connects the picture element interpolation unit successively, is used for regulating contrast, acutance and saturation; Also comprise demodulation and D/A conversion unit, described demodulation and D/A conversion unit are eliminated the unit by described noise and are obtained signal, and its demodulation is also carried out outputing to described analog video signal interface and simulated audio signal interface after the digital-to-analogue conversion to vision signal and audio signal respectively.
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| CN 201320035190 CN203057339U (en) | 2013-01-23 | 2013-01-23 | Cable for transmitting audio/video signals and improving signal quality |
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| CN 201320035190 CN203057339U (en) | 2013-01-23 | 2013-01-23 | Cable for transmitting audio/video signals and improving signal quality |
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| CN203057339U true CN203057339U (en) | 2013-07-10 |
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| CN 201320035190 Expired - Fee Related CN203057339U (en) | 2013-01-23 | 2013-01-23 | Cable for transmitting audio/video signals and improving signal quality |
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