CN103093783A - Multimedia playing system, multimedia switching device and signal switcher - Google Patents
Multimedia playing system, multimedia switching device and signal switcher Download PDFInfo
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Abstract
A multimedia playing system, a multimedia switching device and a signal switching device system are provided. A multimedia playing system comprises a plurality of input devices, a plurality of output devices and a multimedia switching device coupled between the input devices and the output devices. The multimedia switching device comprises a signal switcher and a current divider. The signal switcher comprises a sound output end, a sound receiving end, an image providing module and a processing module. The sound output end outputs the return sound signal received by the signal switcher. The sound receiving end receives the return sound signal output by the sound output end. The image providing module provides an image signal. The processing module packages and processes the return sound signal and the image signal into a multimedia signal, and then the multimedia signal is output to a plurality of output devices in a shunting way through the shunt.
Description
Technical field
The present invention is relevant with remote side administration, particularly about a kind of multimedia play system, multimedia switching device shifter and signal shifter that saves the setting of extra S/PDIF (Sony/Philips Digital Interface Format) sound source wire.
Background technology
Generally speaking, signal shifter is used to carry out between many signal input apparatus and signal output apparatus (for example various audio-visual playback equipment and display device) the switching action of signal.With traditional audio-visual apparatus connected mode, no matter be stereo or the ring field audio of 5.1 sound channels all needs the source of sound wire rod of many to connect to cause to use inconvenience, therefore, signal shifter can be provided with the message return path, to reduce the required transmission line quantity of transmission source of sound.
Please refer to Fig. 1, Fig. 1 illustrates the schematic diagram that traditional bragging about has the signal shifter of message return path (Audio Return Channel, ARC) passback audio function.As shown in Figure 1, the input end of traditional multimedia switching device shifter SW is respectively by having high-definition multimedia interface (High-Definition Multimedia Interface, HDMI) the cable C1 of pattern and C2 couple the first input media (DVD player) IN1 and secondary input device (game machine) IN2, and the output terminal of multimedia switching device shifter SW couples the first output unit (TV) OUT1 by the cable C3 with HDMI pattern.although the first output unit (TV) OUT1 can will return voice signal and be sent to multimedia switching device shifter SW by the cable C3 with HDMI pattern, yet, because traditional multimedia switching device shifter SW only can export with fiber-coaxial terminal (Toslink), therefore, between multimedia switching device shifter SW and the second output unit (enlarger) OUT2 except the cable C4 with HDMI pattern, also need additionally be provided with a S/PDIF (Sony/Philips Digital Interface Format) sound source wire SAL, could successfully will return voice signal by this S/PDIF sound source wire SAL and export the second output unit (enlarger) OUT2 to, not only increase the wire rod cost, also make overall routing become comparatively complicated.
Summary of the invention
Therefore, a category of the present invention is to propose a kind of multimedia play system, multimedia switching device shifter and signal shifter, to solve the above-mentioned variety of problems that prior art was suffered from.
In a specific embodiment, signal shifter of the present invention includes sound output, the first sound receiving end, image provides module and processing module.Sound output is in order to the received passback voice signal of output signal switch.The passback voice signal that the first sound receiving end is exported in order to receive sound output.Image provides module in order to signal of video signal to be provided.Processing module couples the first sound receiving end and image provides module, and exports multi-media signal in order to returning after voice signal and signal of video signal package are treated to multi-media signal, is for example the HDMI signal.
In another specific embodiment, multimedia switching device shifter according to the present invention includes signal shifter and shunt.Signal shifter includes sound output, the first sound receiving end, image provides module and processing module.Sound output is in order to the received passback voice signal of output signal switch.The passback voice signal that the first sound receiving end is exported in order to receive sound output.Image provides module in order to signal of video signal to be provided.Processing module couples the first sound receiving end and image provides module, and exports multi-media signal in order to returning after voice signal and signal of video signal package are treated to multi-media signal, is for example the HDMI signal.Shunt couples processing module, and in order to export the multi-media signal shunting to a plurality of output units.
In another specific embodiment, multimedia play system according to the present invention includes a plurality of input medias, a plurality of output unit and multimedia switching device shifter.The multimedia switching device shifter is coupled between a plurality of input medias and a plurality of output unit.The multimedia switching device shifter includes signal shifter and shunt.Signal shifter includes sound output, the first sound receiving end, image provides module and processing module.Sound output is in order to the received passback voice signal of output signal switch.The passback voice signal that the first sound receiving end is exported in order to receive sound output.Image provides module in order to signal of video signal to be provided.Processing module couples the first sound receiving end and image provides module, and exports multi-media signal in order to returning after voice signal and signal of video signal package are treated to multi-media signal, is for example the HDMI signal.Shunt is to couple processing module, and in order to export the multi-media signal shunting to a plurality of output units.
Compared to prior art, according to multimedia play system of the present invention, multimedia switching device shifter and signal shifter in additionally not increasing in the situation of source of sound wire rod, only utilize between signal shifter and audio-visual expander the cable of the HDMI pattern that has originally namely arranged to return voice signal and export audio-visual expander to, need traditionally extra S/PDIF (the Sony/Philips Digital Interface Format) sound source wire that arranges between signal shifter and audio-visual expander therefore can save, effectively to save the complexity of cost and simplified wiring.
Can be by following detailed Description Of The Invention and appended graphic being further understood about the advantages and spirit of the present invention.
Description of drawings
Fig. 1 illustrates the schematic diagram that traditional bragging about has the signal shifter of message return path (Audio Return Channel, ARC) passback audio function.
Fig. 2 is the schematic diagram that illustrates according to multimedia play system of the present invention.
Fig. 3 is the functional block diagram that illustrates the multimedia switching device shifter in multimedia play system.
Fig. 4 A is the front schematic view that illustrates the multimedia switching device shifter of Fig. 3, Fig. 4 B be illustrate Fig. 3 the multimedia switching device shifter the back side respectively connect the hole schematic diagram.
[main element symbol description]
SW, 10: signal shifter C1～C4: cable
IN1: the first input media IN2: secondary input device
OUT1: the first output unit OUT2: the second output unit
SAL:S/PDIF sound source wire 1: multimedia switching device shifter
M: multimedia play system OUT3: the 3rd output unit
12: shunt 100: sound output
102: the first sound receiving ends 104: image provides module
106: processing module 108: signal receives and output terminal
110: 112: the first multimedia input ends of multimedia output terminal
114: the second multimedia input ends 116: signal output part
N: traditional loudspeaker PW: switch
SL: indicator lamp signal
Embodiment
A preferred embodiment of the present invention is a kind of multimedia play system.In this embodiment, this multimedia play system is in order to play a multimedia video signal, such as the family's theater group that is formed by equipment such as DVD player, LCD TV, signal shifter (such as being the multimedia switching device shifter) and the audio-visual expansion units of 5.1 sound channels, wherein signal shifter adopts multimedia switching device shifter (Multi-media switching apparatus), but not as limit.
Please refer to Fig. 2, Fig. 2 illustrates the schematic diagram of the multimedia play system of this embodiment.As shown in Figure 2, multimedia switching device shifter 1 is coupled between many signal input apparatus IN1～IN2 and many signal output apparatus OUT1～OUT2.In this embodiment, the first input media IN1 in these many signal input apparatus is a DVD player, secondary input device IN2 is a game machine, the first output unit OUT1 in these many signal output apparatus is a LCD TV, the second output unit OUT2 is one 5.1 sound channel enlargers, but kind, pattern and the quantity of above-mentioned those signal input apparatus and signal output apparatus is not all as limit.
What need emphasize is no matter to be all to carry out the signal transmission with the HDMI pattern between multimedia switching device shifter 1 and signal input apparatus IN1～IN2 and between multimedia switching device shifter 1 and signal output apparatus OUT1～OUT2.that is to say, be coupled to the cable C1 between multimedia switching device shifter 1 and the first input media IN1, be coupled to the cable C2 between multimedia switching device shifter 1 and secondary input device IN2, be coupled to the cable C3 between multimedia switching device shifter 1 and the first output unit OUT1 and be coupled to multimedia switching device shifter 1 and the second output unit OUT2 between cable C4 all belong to the cable of HDMI pattern, and only need the cable C4 with HDMI pattern to get final product between multimedia switching device shifter 1 and the second output unit OUT2 (5.1 sound channel enlarger), a S/PDIF sound source wire needn't also need additionally be set as prior art export passback voice signal to the second output unit OUT2.In addition, cable C3 with HDMI pattern also can be sent to multimedia switching device shifter 1 with the passback voice signal that the first output unit OUT1 returns except the multimedia video signal that multimedia switching device shifter 1 is exported being sent to the first output unit OUT1.
Next, will be described in detail for multimedia switching device shifter 1 of the present invention with an embodiment.Please refer to Fig. 3, Fig. 3 is the functional block diagram that illustrates the multimedia switching device shifter 1 in multimedia play system M.As shown in Figure 3, multimedia play system M includes multimedia switching device shifter 1, the first input media IN1, secondary input device IN2, the first output unit OUT1, the second output unit OUT2 and the 3rd output unit OUT3.Wherein, the first input media IN1 and secondary input device IN2 couple multimedia switching device shifter 1; Multimedia switching device shifter 1 couples the first output unit OUT1 and the second output unit OUT2; The second output unit OUT2 couples the 3rd output unit OUT3.In fact, the user can operate multimedia switching device shifter 1 and optionally export the multi-media signal that the first input media IN1 or secondary input device IN2 input to the first output unit OUT1 or the second output unit OUT2.The first output unit OUT1 can be TV, projector or monitor, and the second output unit OUT2 can be loudspeaker (AV Receiver), 5.1 common channel loudspeakers for example, but not as limit.
It should be noted that, be no matter between multimedia switching device shifter 1 and the first input media IN1, between multimedia switching device shifter 1 and secondary input device IN2, between multimedia switching device shifter 1 and the first output unit OUT1 and all adopt single the cable with HDMI pattern to carry out the transmission of signal between multimedia switching device shifter 1 and the second output unit OUT2.
In this embodiment, multimedia switching device shifter 1 includes signal shifter 10, shunt 12, signal reception and output terminal 108 and signal output part 116.Signal shifter 10 includes sound output 100, the first sound receiving end 102, image provides module 104, processing module 106, multimedia output terminal 110, the first multimedia input end 112 and the second multimedia input end 114.Wherein, sound output 100 is to be coupled to traditional loudspeaker N by coaxial terminal; The first sound receiving end 102 is be coupled between sound output 100 and traditional loudspeaker N and couple processing module 106; Image provides module 104 to be coupled to processing module 106; Processing module 106 is coupled to multimedia output terminal 110; Signal receives and output terminal 108 is coupled to sound output 100 and is coupled to the first output unit OUT1; Multimedia output terminal 110 is coupled to shunt 12; The first multimedia input end 112 is coupled to the first input media IN1; The second multimedia input end 114 is coupled to secondary input device IN2; Shunt 12 receives by signal respectively and output terminal 108 and signal output part 116 are coupled to the first output unit OUT1 and the second output unit OUT2.The first multimedia input end 112 and the second multimedia input end 114 couple respectively single cable to the first input media IN1 and secondary input device IN2 with HDMI pattern, and optionally switch between the first input media IN1 and secondary input device IN2, with multimedia signal receiving.
In this embodiment, suppose that the first input media IN1 is a DVD player, the first output unit OUT1 is a LCD TV, and the second output unit OUT2 is a loudspeaker (AV Receiver), and the 3rd output unit OUT3 is a display screen.The first output unit (LCD TV) OUT1 is playing the digital audio-video signal that the first input media (DVD player) IN1 inputs.Because wishing to utilize the second output unit (loudspeaker) OUT2 to amplify the first output unit (LCD TV) OUT1, the user plays the voice signal in the digital audio-video signal, therefore, the first output unit (LCD TV) OUT1 will produce a passback voice signal.
When the signal of the multimedia switching device shifter 1 with message return path (ARC) function receive and output terminal 108 by single the cable with HDMI pattern when the first output unit (LCD TV) OUT1 receives the passback voice signal, signal receives and output terminal 108 will be sent to sound output 100 to the passback voice signal.Then, sound output 100 will return voice signal and export traditional loudspeaker N to.Because the first sound receiving end 102 is coupled between sound output 100 and traditional loudspeaker N, therefore, the first sound receiving end 102 can receive the passback voice signal that sound output 100 is exported, and will return voice signal and be sent to processing module 106.At this moment, image provides module 104 also can provide a signal of video signal to processing module 106.
Respectively after the first sound receiving end 102 and image provide module 104 to receive passback voice signal and signal of video signal, processing module 106 namely can be treated to a multi-media signal with passback voice signal and signal of video signal package when processing module 106.That is to say, processing module 106 is combined into the multimedia video signal with HDMI pattern with voice signal and signal of video signal.Then, after exporting multi-media signal to shunt 12 when processing module 106 by multimedia output terminal 110, shunt 12 receives by signal respectively again and output terminal 108 and signal output part 116 and cable with HDMI pattern export the multi-media signal shunting to the first output unit OUT1 and the second output unit OUT2.
In this embodiment, because the first output unit (LCD TV) OUT1 is playing the digital audio-video signal that the first input media (DVD player) IN1 inputs, therefore, although the first output unit (LCD TV) OUT1 receives shunt 12 multi-media signal that sends of shunting, but the first output unit (LCD TV) OUT1 still continues to play the digital audio-video signal that the first input media (DVD player) IN1 inputs, and can not play the multi-media signal that shunt 12 sends.As for the second output unit OUT2, because the second output unit OUT2 is loudspeaker, so when the second output unit OUT2 receive shunt 12 when shunting the multi-media signal that sends, the passback voice signal of the second output unit OUT2 in will the play multimedia signal.In addition, because the 3rd output unit OUT3 that is coupled to the second output unit OUT2 is display screen, therefore, the signal of video signal of the 3rd output unit OUT3 in will the play multimedia signal.
What need special instruction is that image provides the source of the signal of video signal of module 104 processing module that offers 106 to there is no specific restriction.For example, image provides module 104 can produce at random voluntarily image arbitrarily, or the random default image of image database taking-up one from storing a plurality of default images.In addition, image provides module 104 also can obtain image by external unit or network by the USB port (not shown) that is arranged at multimedia switching device shifter 1, or image provides module 104 to obtain image from the first input media IN1 or secondary input device IN2 by the first multimedia input end 112 or the second multimedia input end 114.
In practical application, when processing module 106 receives the passback voice signal that the first sound receiving end 102 sends, processing module 106 also can provide module 104 that corresponding signal of video signal is provided according to the type command image of passback voice signal, processing module 106 will return voice signal again and be combined into multi-media signal with corresponding signal of video signal, and the passback voice signal in the multi-media signal that after making, the second output unit OUT2 plays will be corresponding with the signal of video signal in multi-media signal that the 3rd output unit OUT3 plays.For example, suppose that the received passback voice signal of processing module 106 is Beethovan's No. six symphony, processing module 106 order images provide the signal of video signal that module 104 provides namely to can be Beethovan's photo life story and the contents such as introduction of No. six symphony, make the audience in No. six symphony that appreciation the second output unit OUT2 plays, also can learn Beethovan's life story and the introduction of No. six symphony by the content that the 3rd output unit OUT3 plays.
Then, also please refer to Fig. 4 A and Fig. 4 B, Fig. 4 A is the front schematic view that illustrates the multimedia switching device shifter 1 of Fig. 3, Fig. 4 B be illustrate Fig. 3 multimedia switching device shifter 1 the back side respectively connect the hole schematic diagram.As shown in Fig. 4 A, the front of multimedia switching device shifter 1 is provided with a plurality of indicator lamp signal SL and switch P W, wherein those indicator lamp signals SL is in order to indicate the present switching situation of multimedia switching device shifter 1, for example, those indicator lamp signals SL can show it is to switch to the first input media IN1 or secondary input device IN2 at present.As shown in Figure 4 B, sound output 100 is coupled to traditional loudspeaker N, receive and output terminal 108 is coupled to the first output unit OUT1 by signal, signal output part 116 is coupled to the second output unit OUT2, the first multimedia input end 112 is coupled to the first input media IN1, and the second multimedia input end 114 is coupled to secondary input device IN2.
Compared to prior art, according to multimedia play system of the present invention, multimedia switching device shifter and signal shifter in additionally not increasing in the situation of source of sound wire rod, only utilize between signal shifter and audio-visual expander the cable of the HDMI pattern that has originally namely arranged to return voice signal and export audio-visual expander to, need traditionally the extra S/PDIF sound source wire that arranges between signal shifter and audio-visual expander therefore can save, effectively to save the complexity of cost and simplified wiring.In addition, because the voice signal that the S/PDIF sound source wire is transmitted can be decayed, but the voice signal that the cable of HDMI pattern transmits more can not decayed, therefore, between signal shifter of the present invention and audio-visual expander only the cable by single HDMI pattern couple, even if the distance between signal shifter and audio-visual expander is very far away, also more can not have influence on the transmission of voice signal.
By the above detailed description of preferred embodiments, be to wish more to know to describe feature of the present invention and spirit, and with above-mentioned disclosed preferred embodiment, category of the present invention limited.On the contrary, its objective is that hope can contain in the category of the scope of the claims of being arranged in of various changes and tool equality institute of the present invention wish application.
Claims (23)
1. signal shifter comprises:
One sound output is in order to export the received passback voice signal of this signal shifter;
One first sound receiving end, this passback voice signal of exporting in order to receive this sound output;
One image provides module, in order to a signal of video signal to be provided; And
One processing module couples this first sound receiving end and this image module is provided, and exports this multi-media signal in order to returning after voice signal and this signal of video signal package are treated to a multi-media signal.
2. signal shifter as claimed in claim 1, is characterized in that, this multi-media signal is one to have the signal of high picture quantity multimedia interface pattern.
3. signal shifter as claimed in claim 1, is characterized in that, this image provides module self to produce this signal of video signal or outside this signal of video signal that receives of this signal shifter certainly.
4. signal shifter as claimed in claim 1, it is characterized in that, further being connected to a signal receives and output terminal, this signal receives and output terminal couples this sound output and one first output unit, and also should return voice signal is sent to this sound output to receive this passback voice signal in order to the cable that has a high picture quantity multimedia interface pattern by single from this first output unit.
5. signal shifter as claimed in claim 4, is characterized in that, this first output unit is a TV, a projector or a monitor.
6. signal shifter as claimed in claim 4, is characterized in that, further comprises:
One multimedia output terminal, couple this processing module and a shunt, this shunt couples this first output unit and one second output unit, this processing module exports this multi-media signal to this shunt by this multimedia output terminal, and this shunt exports this multi-media signal shunting to this first output unit and this second output unit again.
7. signal shifter as claimed in claim 6, is characterized in that, this second output unit is loudspeaker, in order to play this passback voice signal in this multi-media signal.
8. signal shifter as claimed in claim 7, is characterized in that, this second output unit more couples one the 3rd output unit, and the 3rd output unit is in order to play this signal of video signal in this multi-media signal.
9. signal shifter as claimed in claim 6, it is characterized in that, between this multimedia output terminal and this shunt, between this shunt and this first output unit and carry out the transmission of this multi-media signal by single the cable with high picture quantity multimedia interface pattern respectively between this shunt and this second output unit.
10. signal shifter as claimed in claim 1, is characterized in that, further comprises:
A plurality of multimedia input ends couple respectively single the cable with high picture quantity multimedia interface pattern to a plurality of input medias, and optionally switch between these a plurality of input medias, with multimedia signal receiving.
11. a multimedia switching device shifter comprises:
One signal shifter comprises:
One sound output is in order to export the received passback voice signal of this signal shifter;
One first sound receiving end, this passback voice signal of exporting in order to receive this sound output;
One image provides module, in order to a signal of video signal to be provided; And
One processing module couples this first sound receiving end and this image module is provided, in order to should return voice signal and this signal of video signal package is treated to a multi-media signal; And
One shunt couples this processing module, in order to export this multi-media signal shunting to a plurality of output units.
12. multimedia switching device shifter as claimed in claim 11 is characterized in that, this multi-media signal is one to have the signal of high picture quantity multimedia interface pattern.
13. multimedia switching device shifter as claimed in claim 11 is characterized in that, this image provides module self to produce this signal of video signal or outside this signal of video signal that receives of this multimedia switching device shifter certainly.
14. multimedia switching device shifter as claimed in claim 11 is characterized in that, further comprises:
One signal receives and output terminal, couple one first output unit in this sound output and this a plurality of output units, receive this passback voice signal and should return voice signal from this first output unit in order to the cable that has a high picture quantity multimedia interface pattern by single and be sent to this sound output.
15. multimedia switching device shifter as claimed in claim 14 is characterized in that, this first output unit is a TV, a projector or a monitor.
16. multimedia switching device shifter as claimed in claim 14 is characterized in that, this signal shifter further comprises:
One multimedia output terminal, couple between this processing module and this shunt, this processing module is to export this multi-media signal to this shunt by this multimedia output terminal, and this shunt exports this multi-media signal shunting to this first output unit and one second output unit in these a plurality of output units again.
17. multimedia switching device shifter as claimed in claim 16 is characterized in that, this second output unit is to be loudspeaker, in order to play this passback voice signal in this multi-media signal.
18. multimedia switching device shifter as claimed in claim 17 is characterized in that, this second output unit more couples one the 3rd output unit, and the 3rd output unit is this signal of video signal of playing in this multi-media signal.
19. multimedia switching device shifter as claimed in claim 16, it is characterized in that, between this multimedia output terminal and this shunt, between this shunt and this first output unit and carry out the transmission of this multi-media signal by single the cable with HDMI pattern respectively between this shunt and this second output unit.
20. multimedia switching device shifter as claimed in claim 11 is characterized in that, this signal shifter further comprises:
A plurality of multimedia input ends couple respectively single the cable with high picture quantity multimedia interface pattern to a plurality of input medias, and optionally switch between these a plurality of input medias, with multimedia signal receiving.
21. a multimedia play system comprises:
A plurality of input medias;
A plurality of output units; And
One multimedia switching device shifter is coupled between these a plurality of input medias and this a plurality of output units, and this multimedia switching device shifter comprises:
One signal shifter comprises:
One sound output is in order to export the received passback voice signal of this signal shifter;
One first sound receiving end, this passback voice signal of exporting in order to receive this sound output;
One image provides module, in order to a signal of video signal to be provided; And
One processing module couples this first sound receiving end and this image module is provided, in order to should return voice signal and this signal of video signal package is treated to a multi-media signal; And
One shunt couples this processing module, in order to export this multi-media signal shunting to this a plurality of output units.
22. multimedia play system as claimed in claim 21 is characterized in that, this signal shifter further comprises:
A plurality of multimedia input ends couple this a plurality of input medias by single the cable with high picture quantity multimedia interface pattern respectively, and optionally switch between these a plurality of input medias, with multimedia signal receiving.
23. a signal shifter receives a passback voice signal, this signal shifter comprises:
One image provides module, in order to a signal of video signal to be provided; And
One processing module couples this image module is provided, and exports this multi-media signal in order to returning after voice signal and this signal of video signal package are treated to a multi-media signal.
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| Application Number | Priority Date | Filing Date | Title |
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| US201161557246P | 2011-11-08 | 2011-11-08 | |
| US61/557,246 | 2011-11-08 | ||
| TW100142371 | 2011-11-18 | ||
| TW100142371A TWI456396B (en) | 2011-11-08 | 2011-11-18 | Multi-media playing system, multi-media switching apparatus, and signal switch |
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| CN103093783A true CN103093783A (en) | 2013-05-08 |
| CN103093783B CN103093783B (en) | 2015-06-10 |
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| CN105974903A (en) * | 2016-07-07 | 2016-09-28 | 福州觉感视觉软件科技有限公司 | Modularized distributable motion control system |
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