CN103813187A - Signal expansion selection device - Google Patents
Signal expansion selection device Download PDFInfo
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- CN103813187A CN103813187A CN201210452333.9A CN201210452333A CN103813187A CN 103813187 A CN103813187 A CN 103813187A CN 201210452333 A CN201210452333 A CN 201210452333A CN 103813187 A CN103813187 A CN 103813187A
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Abstract
A signal expansion selection device is used for multiple users to input multiple selection signals so as to select one of multiple audio and video signals produced by multiple audio and video devices and converting one of the audio and video signals selected by the users into audio and video information and providing the information for the users, and comprises a multiple selection ports, a processing unit, multiple multi-task modules and multiple audio and video output ports, wherein the selection ports transmits selection signals to the processing unit, the processing unit calculates the selection signals by using an algorithm so as to produce control instructions, the multiple multi-task modules selects one of the audio and video signals according to the control instructions, the processing unit decodes one of the audio and video signals into audio and video information and outputs the audio and video information through one of the audio and video output ports.
Description
Technical field
The present invention relates to a kind of signal and expand choice device, relate in particular to each these user of a kind of confession and can side by side select any one signal expansion choice device of multiple video-audio signals that multiple AV device produces.
Background technology
In prior art, in the time that multiple users want to receive the audio and video information that multiple video-audio signals form simultaneously, each user must purchase the multiple AV devices for generation of these video-audio signals voluntarily, make these AV devices only can be for sole user, and in following period of time, this user only can use these AV devices.
Therefore be necessary to propose a kind of device that provides multiple users can use these AV devices, in order to address the deficiencies of the prior art simultaneously.
Summary of the invention
An object of the present invention is to provide a kind of signal and expand choice device, allow multiple users select discriminably the multiple video-audio signals that produced by multiple AV devices, and before each these user, show the audio and video information forming of each these these user-selected video-audio signal (comprising video and audio frequency).
Another object of the present invention is to expand choice device according to this above-mentioned signal, for example, by replacing easily/expand these AV devices (these AV devices can meet digital video broadcasting (DVB), digital video satellite broadcasting (DVB-S), digital video wired broadcasting (DVB-C), digital video radio broadcasting (DVB-T) and digital TV hand-held digital video broadcasting (DVB-H) audio-visual communication standard), allow these users can side by side select any one of multiple video-audio signals that these AV devices produce.
For achieving the above object and other object, the invention provides a kind of signal and expand choice device, input with multiple video-audio signals of selecting multiple AV device and being produced of multiple selection signals for multiple users, and one of these these user-selected video-audio signals converts audio and video information to and offers each these user by each, this signal expands choice device and comprises multiple selection ports, processing unit, multiple multitask module and multiple audio-visual output port.Wherein, these selecting side confessions receive these and select signal, this processing unit selects port to be connected with these, and this processing unit calculates these by an algorithm and selects signal to produce control command and to export this control command, and this processing unit supplies by these these video-audio signals of algorithm decoding to produce this audio and video information, these multitask modules have multiple input ports respectively, control port and transmit port, and these input ports are connected to form multiple data transfer paths with this transmit port, this control port is connected with this processing unit with this transmit port again, and each these multitask module receives these video-audio signals respectively by these input ports, receive this control command according to this control port of each these multitask module again and select of these data transfer paths, one for these video-audio signals is sent to this transmit port and exports this processing unit to, and these audio-visual output ports are connected with this processing unit, these audio-visual output ports are exported this audio and video information of selecting signal correction with these respectively.
Compare with prior art, signal of the present invention expands multiple video-audio signals that choice device can provide multiple users to select these AV devices to produce in multiple AV devices, these video-audio signals that make each user can select voluntarily these AV devices to produce, and show this user-selected audio and video information relevant to this video-audio signal each user.
In addition, in the time that signal expansion choice device of the present invention expands new AV device, the video-audio signal that these users all can select this new AV device to produce.
Accompanying drawing explanation
Fig. 1 is the block schematic diagram that the signal of the embodiment of the present invention expands choice device.
Critical piece Reference numeral:
2,4 users
6,8,10,12 AV devices
14 signals expand choice device
16,18 select port
20 processing units
22,24 multitask modules
222,224,226,228 input ports
2210,2410 control ports
2212,2412 transmit pories
242,244,246,248 input ports
26,28 audio-visual output ports
AVS1, AVS2, AVS3, AVS4 video-audio signal
AVI1, AVI2 audio and video information
SS1, SS2 select signal
P1, P2, P3, P4 data transfer path
CM control command
Embodiment
For fully understanding object of the present invention, feature and technique effect, here by following specific embodiment, and by reference to the accompanying drawings, the present invention is elaborated, be described as follows:
With reference to Fig. 1, for the signal of the embodiment of the present invention expands the block schematic diagram of choice device.In Fig. 1, this signal expands choice device 14 for multiple users 2, the multiple selection signal SS1 of 4 input, SS2 (selected signal) is to select multiple AV devices 6, 8, 10, the 12 multiple video-audio signal AVS1 that produce, AVS2, AVS3, one of AVS4 (audio-visual signal), and by each these user 2, 4 selected these video-audio signals AVS1, AVS2, AVS3, one of AVS4 converts audio and video information AVI1 to, AVI2, AVI3, AVI4 (audio-visual information) offers each these user 2, 4.This audio and video information AVI1, AVI2, AVI3, AVI4 comprise video and audio frequency, and these users 2,4 can and listen to this audio and video information AVI1, AVI2, AVI3, AVI4 by for example display or television-viewing.
These AV devices 6,8,10,12 can meet the audio-visual communication standard of digital video broadcasting (DVB), digital video satellite broadcasting (DVB-S), digital video wired broadcasting (DVB-C), digital video radio broadcasting (DVB-T) and digital TV hand-held digital video broadcasting (DVB-H).
In the present embodiment, these AV devices 6,8,10,12 are respectively take DVB, DVB-S, DVB-C, DVB-T as example explanation, and these AV devices 6,8,10,12 produce digital video broadcast signal AVS1, digital video satellite broadcast signal AVS2, digital video cable broadcasting signal AVS3 and digital video radio broadcasting signal AVS4 respectively.Such as, moreover these AV devices 6,8,10,12 also can be multimedia memory apparatus (hard disk or DVD player and BD player etc.), this multimedia memory apparatus can produce these video-audio signals AVS1, AVS2, AVS3, AVS4 equally.
This signal expands choice device 14 and comprises multiple selection port 16,18, processing unit 20, multiple multitask module 22,24 and multiple audio- visual output port 26,28.
These selecting sides 16,18 receive these and select signal SS1, SS2, and these users 2,4 can produce these selection signals SS1, SS2 by signal generator (not shown) such as infrared remote controller, keyboard or mouses.
In the present embodiment, suppose that these user's 2 inputs can be used for selecting this input signal SS1 of these video-audio signals AVS1, and suppose that it is example explanation that these user's 4 inputs can be used for selecting this input signal SS2 of these video-audio signals AVS2.
This processing unit 20 selects port 16,18 to be connected with these, and this processing unit 20 calculates these by an algorithm (not shown) and selects signal SS1, SS2 to produce control command CM (controlcommand), and exports this control command CM to these multitask module 22,24.
It should be noted that in another embodiment, this processing unit 20 also can produce multiple control command (not shown) by this algorithm, and each these control commands CM is sent to each multitask module 22,24 respectively.Or again in another embodiment, this processing unit 20 also can be sent to each these multitask module 22,24 by this control command CM respectively at different time, this processing unit 20 is in this different multitask module 22,24 of different time control.But for this processing unit 20 and these multitask modules 22,24, this time is very of short duration, being unlikely to the method that the present embodiment adopts has obvious time delay phenomenon.
In the present embodiment, this multitask module 22 provides this user 2 to choose these video-audio signals AVS1, AVS2, AVS3, AVS4 one, and this multitask module 24 provides this user 4 to choose these video-audio signals AVS1, AVS2, AVS3, AVS4 one.
This multitask module 22 has these input ports 222,224,226,228, the control port 2210 and transmit port 2212 of 4 groups respectively, and for example these input ports 222,224,226,228 meet the audio-visual communication standard of HDMI (High Definition Multimedia Interface) (High Definition Multimedia Interface), coaxial cable (Coaxial cable), display port (Display Port) and mobile digital media interface (Portable DigitalMedia Interface).
These input ports 222,224,226,228 are connected with these AV devices 6,8,10,12, for receiving these video-audio signals AVS1, AVS2, AVS3, AVS4.These input ports 222,224,226,228 are connected to form data transfer path P1, P2, P3, the P4 of 4 groups with this transmit port 2212, this control port 2210 is connected with this processing unit 20 with this transmit port 2212 again, and this multitask module 22 is connected with these AV devices 6,8,10,12 by these input ports 222,224,226,228 and receives respectively these video-audio signals AVS1, AVS2, AVS3, AVS4, receives this control command CM again according to this control port 2210 of this multitask module 22.This multitask module 22 can be selected these data transfer paths P1, P2, P3, P4 one according to this control command.
In the present embodiment, because this user 2 inputs wish and select the selection signal SS1 of this video-audio signal AVS1, therefore this multitask module 22 is selected this data transfer path P1, make this video-audio signal AVS1 be sent to this processing unit 20 along this input port 222 with this data transfer path P1 that this transmit port 2212 forms.
Same, this multitask module 24 has these input ports 242,244,246,248, the control port 2410 and transmit port 2412 of 4 groups respectively.In the present embodiment, these input ports 242,244,246,248 are connected with these input ports 222,224,226,228 respectively, in order to jointly to receive these video-audio signals AVS1, AVS2, AVS3, AVS4.
These input ports 242,244,246,248 are connected to form data transfer path P1, P2, P3, the P4 of 4 groups with this transmit port 2412, this control port 2410 is connected with this processing unit 20 with this transmit port 2412 again, and this multitask module 24 is connected with these AV devices 6,8,10,12 by these input ports 242,244,246,248 and receives respectively these video-audio signals AVS1, AVS2, AVS3, AVS4, receives this control command CM again according to this control port 2410 of this multitask module 24.This multitask module 24 can be selected these data transfer paths P1, P2, P3, P4 one according to this control command CM.In the present embodiment, because this user 4 inputs wish and select the selection signal SS2 of this video-audio signal AVS2, therefore this multitask module 24 is selected this data transfer path P2, make this video-audio signal AVS2 be sent to this processing unit 20 along this input port 242 with this data transfer path P1 that this transmit port 2412 forms.
Moreover, this video-audio signal AVS2 that this video-audio signal AVS1 that these processing unit 20 bases transmit from this multitask module 22 and this multitask module 24 transmit, is decoded into this video-audio signal AVS1 further this audio and video information AVI1 and this video-audio signal AVS2 is decoded into this audio and video information AVI2.
In addition, this processing unit 20 is sent to this audio and video information AVI1 again this audio-visual output port 26, make this user 2 to obtain selected this video-audio signal AVS1 from this audio-visual output port 26, and this processing unit 20 is sent to this audio and video information AVI2 again this audio-visual output port 28, make this user 4 to obtain selected this video-audio signal AVS2 from this audio-visual output port 28.In addition, these audio- visual output ports 26,28 connect for ease of display or TV, and these audio- visual output ports 26,28 are for meeting the audio-visual communication standard of HDMI (High Definition Multimedia Interface), coaxial cable, display port and mobile digital media interface.
The present invention discloses with preferred embodiment hereinbefore, but it will be understood by those skilled in the art that this embodiment is only for describing the present invention, and should not be read as and limit the scope of the invention.It should be noted, variation and the displacement of every and this embodiment equivalence, all should be considered as being covered by category of the present invention.Therefore, protection scope of the present invention is when being as the criterion with the content that claims were limited.
Claims (5)
1. a signal expands choice device, it is characterized in that, input with multiple video-audio signals of selecting multiple AV device and being produced of multiple selection signals for multiple users, and one of these these user-selected video-audio signals converts audio and video information to and offers each these user by each, this signal expands choice device and comprises:
Multiple selection ports, select signal for receiving these;
Processing unit, selects port to be connected with these, and this processing unit calculates these by an algorithm and selects signal to produce control command and to export this control command, and this processing unit supplies by these these video-audio signals of algorithm decoding to produce this audio and video information;
Multiple multitask modules, there are respectively multiple input ports, control port and transmit port, and these input ports are connected to form multiple data transfer paths with this transmit port, this control port is connected with this processing unit with this transmit port again, and each these multitask module receives these video-audio signals respectively by these input ports, receive this control command according to this control port of each these multitask module again and select of these data transfer paths, one for these video-audio signals is sent to this transmit port and exports this processing unit to, and
Multiple audio-visual output ports, are connected with this processing unit, and these audio-visual output ports are exported this audio and video information of selecting signal correction connection with these respectively.
2. signal as claimed in claim 1 expands choice device, it is characterized in that, this processing unit is sent to this control command this control port of each these multitask module respectively at different time.
3. signal as claimed in claim 1 expands choice device, it is characterized in that, this processing unit also comprises by this algorithm and produces multiple control commands, and each these control command is sent to respectively to this control port of each multitask module.
4. signal as claimed in claim 1 expands choice device, it is characterized in that, these input ports of each of these multitask modules connect to receive these video-audio signals accordingly.
5. signal as claimed in claim 1 expands choice device, it is characterized in that, each these audio-visual output port and these input ports meet the audio-visual communication standard of HDMI (High Definition Multimedia Interface), coaxial cable, display port and mobile digital media interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210452333.9A CN103813187B (en) | 2012-11-13 | 2012-11-13 | Signal expands selecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210452333.9A CN103813187B (en) | 2012-11-13 | 2012-11-13 | Signal expands selecting device |
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| Publication Number | Publication Date |
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| CN103813187A true CN103813187A (en) | 2014-05-21 |
| CN103813187B CN103813187B (en) | 2017-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210452333.9A Expired - Fee Related CN103813187B (en) | 2012-11-13 | 2012-11-13 | Signal expands selecting device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004179420A (en) * | 2002-11-27 | 2004-06-24 | Matsushita Electric Ind Co Ltd | Semiconductor integrated circuit |
| US20090010320A1 (en) * | 2007-07-02 | 2009-01-08 | Micron Technology, Inc. | Fractional-Rate Decision Feedback Equalization Useful in a Data Transmission System |
| CN102647631A (en) * | 2011-02-21 | 2012-08-22 | 鸿富锦精密工业（深圳）有限公司 | Set-top box, flash glasses and method for simultaneously watching multiple audio and visual programs by plurality of users |
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2012
- 2012-11-13 CN CN201210452333.9A patent/CN103813187B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004179420A (en) * | 2002-11-27 | 2004-06-24 | Matsushita Electric Ind Co Ltd | Semiconductor integrated circuit |
| US20090010320A1 (en) * | 2007-07-02 | 2009-01-08 | Micron Technology, Inc. | Fractional-Rate Decision Feedback Equalization Useful in a Data Transmission System |
| CN102647631A (en) * | 2011-02-21 | 2012-08-22 | 鸿富锦精密工业（深圳）有限公司 | Set-top box, flash glasses and method for simultaneously watching multiple audio and visual programs by plurality of users |
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| CN103813187B (en) | 2017-03-01 |
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Granted publication date: 20170301 |