CN103124338A - Device and method used for playing audio and video and based on wireless transmission - Google Patents
Device and method used for playing audio and video and based on wireless transmission Download PDFInfo
- Publication number
- CN103124338A CN103124338A CN2011103721287A CN201110372128A CN103124338A CN 103124338 A CN103124338 A CN 103124338A CN 2011103721287 A CN2011103721287 A CN 2011103721287A CN 201110372128 A CN201110372128 A CN 201110372128A CN 103124338 A CN103124338 A CN 103124338A
- Authority
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- China
- Prior art keywords
- module
- display unit
- expelling plate
- memory cell
- video
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 38
- 230000000875 corresponding Effects 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 229910052710 silicon Inorganic materials 0.000 claims description 16
- 239000010703 silicon Substances 0.000 claims description 16
- 239000004973 liquid crystal related substance Substances 0.000 claims description 12
- 230000004301 light adaptation Effects 0.000 claims description 8
- 230000001702 transmitter Effects 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N silicon Chemical compound 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Abstract
The invention discloses a device and method used for playing audio and video and based on wireless transmission. The method includes the following steps that wireless audio and video data transmission is established between a storage unit and a display unit, wherein the storage unit is connected with a transmission plate, the display unit is connected with a receiving plate, and the transmission plate and the receiving plate form wireless connection; single-point or multi-point touch of users is received through a touch screen of the display unit, touch operation of the users is converted into a coordinate signal and transmitted to the transmission plate through the receiving plate in wireless mode, and the transmission plate transmits the received signal to the storage unit to be analyzed; and corresponding audio and video data is scheduled through the storage unit, transmitted to the receiving plate through the transmission plate in wireless mode and played after being decoded by the display unit.
Description
Technical field
The present invention relates to the audio frequency and video fields, in particular to a kind of audio and video display device based on wireless transmission and method.
Background technology
nearly 2 years, using a kind of touch one-piece machine based on LCD screen in TV column He in the classroom, we are referred to as liquid crystal touch screen, this liquid crystal touch screen is by a LCD TV and is embedded in infrared on video screen and (also has ultrasonic wave, several classes such as image technology) frame forms, this is used generally and can launch around a host computer, being liquid crystal display screen is connected on the display card port of computer (several interfaces such as VGA/DVI/HDMI are arranged) as the display device of host computer, the USB cable that touches the frame extension connects on the USB port of host computer, when the respective regions of user's pen writing implements such as (or) fingers touch LCD screen, touching frame can catch this information and by USB cable, this action be sent to computer, computer is reduced to mouse signal according to a kind of algorithm (current is that Windows is compatible now), coordinating " electronic whiteboard " special-purpose software to become in conjunction with the mark of picture or write again outputs on liquid crystal display screen again.Also can be summarized as and touch frame for writing input equipment, liquid crystal display screen is output equipment, submits a written statement to a higher authority to write at liquid crystal panel and realizes that original picture writes more directly perceived.
This occupation mode is now basic to be adopted video cables (VGA)+audio cable+USB cable to connect up simultaneously to complete main frame to be connected connection with liquid crystal touch screen, to have limited the range of application that adopts the touch-screen displaying video.
Summary of the invention
The invention provides a kind of audio and video display device based on wireless transmission and method, in order to widen the range of application that adopts the touch-screen displaying video.
For achieving the above object, the invention provides a kind of audio and video display device based on wireless transmission, this device comprises: memory cell, expelling plate, dash receiver and display unit, wherein
Expelling plate is connected with memory cell, and dash receiver is connected with display unit, and expelling plate and dash receiver consist of wireless connections;
Display unit is provided with touch-screen, it accepts user's single-point or multiple point touching, and user's touch operation is converted to coordinate signal is wirelessly transmitted to expelling plate by dash receiver, expelling plate is sent to memory cell with the signal that receives and resolves, and transfer corresponding audio, video data and be wirelessly transmitted to dash receiver by expelling plate, by playing after the display unit decoding.
For achieving the above object, the present invention also provides a kind of audio frequency and video player method based on wireless transmission, and the method comprises the following steps:
Set up the wireless audio and video transfer of data between memory cell and display unit, wherein, memory cell is connected with expelling plate, and display unit is connected with dash receiver, and expelling plate and dash receiver consist of wireless connections;
Accept user's single-point or multiple point touching by the touch-screen of display unit setting, and user's touch operation is converted to coordinate signal is wirelessly transmitted to expelling plate by dash receiver, expelling plate is sent to memory cell with the signal that receives and resolves;
Transfer corresponding audio, video data by memory cell and be wirelessly transmitted to dash receiver by expelling plate, by playing after the display unit decoding.
in the above-described embodiments, connecting under normal state, after display unit (as liquid crystal display or LCD TV) is opened, native system enters into running status, expelling plate sends to dash receiver with the audio-video signal of memory cell (as PC or server) by wireless mode, and dash receiver passes to display unit by holding wire and shows and voice output, the writer writes or touches by touch-screen, signal passes to dash receiver by the usb signal line of touch-screen, dash receiver by wireless signal transfer to expelling plate, expelling plate outputs to memory cell by USB, memory cell is output as a new audio frequency and video image through processing, being sent to display unit through expelling plate and dash receiver plays, completed the interaction circulation of a video and touch/write, make the device that adopts the touch-screen displaying video can wireless transmission and interaction in the scope of apart from each other with memory cell and display unit, avoided the inconvenience of wiring.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the audio and video display device schematic diagram based on wireless transmission of one embodiment of the invention;
Fig. 2 is the audio and video display device schematic diagram based on wireless transmission of one embodiment of the present invention;
Fig. 3 is the audio frequency and video player method flow chart based on wireless transmission of one embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not paying the every other embodiment that obtains under the creative work prerequisite.
Fig. 1 is the audio and video display device schematic diagram based on wireless transmission of one embodiment of the invention; As shown in Figure 1, this device comprises: memory cell 10, expelling plate 20, dash receiver 30 and display unit 40, wherein
Expelling plate 20 is connected with memory cell 10, and dash receiver 30 is connected with display unit 40, and expelling plate 20 consists of wireless connections with dash receiver 40;
Display unit 40 is provided with touch-screen, it accepts user's single-point or multiple point touching, and user's touch operation is converted to coordinate signal is wirelessly transmitted to expelling plate 20 by dash receiver 30, expelling plate 20 is sent to memory cell 10 with the signal that receives and resolves, and transfer corresponding audio, video data and be wirelessly transmitted to dash receiver 30 by expelling plate 20, by playing after display unit 40 decodings.
For example, in the above-described embodiments, touch-screen also is used for accepting user's the operation of writing, and is sent to memory cell by dash receiver, expelling plate successively, is sent to display unit by expelling plate, dash receiver successively and shows after memory cell is resolved.
in the above-described embodiments, connecting under normal state, after display unit (as liquid crystal display or LCD TV) is opened, native system enters into running status, expelling plate sends to dash receiver with the audio-video signal of memory cell (as PC or server) by wireless mode, and dash receiver passes to display unit by holding wire and shows and voice output, the writer writes or touches by touch-screen, signal passes to dash receiver by the usb signal line of touch-screen, dash receiver by wireless signal transfer to expelling plate, expelling plate outputs to memory cell by USB, memory cell is output as a new audio frequency and video image through processing, being sent to display unit through expelling plate and dash receiver plays, completed the interaction circulation of a video and touch/write, make the device that adopts the touch-screen displaying video can wireless transmission and interaction in the scope of apart from each other with memory cell and display unit, avoided the inconvenience of wiring.
Dash receiver can connect on the USB interface of LCD TV by a USB wiring, connects by another USB wiring on the USB interface of liquid crystal touch screen, and its power supply (being chosen as DC5V) is connected on city's electric socket board; The audio frequency and video delivery outlet of dash receiver (for example VGAINPUT and L/R AUDIEO) is connected on TV audio frequency and video input ports (VGA and audio input port).
Expelling plate can connect by USB interface the USB interface of PC main frame, video data input port (as the VGA input port) connects the video data delivery outlet (as the VGA delivery outlet) of PC main frame, and the DC5V power supply (being chosen as DC5V) of expelling plate is to city's electric socket board.
Fig. 2 is the audio and video display device schematic diagram based on wireless transmission of one embodiment of the present invention, as shown in Figure 2, expelling plate comprises the first radio-frequency (RF) receiving and transmission module 101, the first data conversion module 102, the first usb interface module 103, WHDI transmitter module 104, the one WHDI audio frequency and video module 105 and the first protocol conversion module 106, the first radio-frequency (RF) receiving and transmission module 101, the first data conversion module 102 be connected usb interface module 103 and connect successively, the first usb interface module 103 is connected by the USB interface of USB wiring with memory cell 10, WHDI transmitter module 104, the one WHDI audio frequency and video module 105 be connected protocol conversion module 106 and connect successively, the audio, video data input port 107 of the first protocol conversion module 106 is connected with the audio, video data delivery outlet 108 of memory cell 10, dash receiver comprises the second radio-frequency (RF) receiving and transmission module 201, the second data conversion module 202, secondary USB interface module 203, WHDI receiver module 204, the 2nd WHDI audio frequency and video module 205 and second protocol modular converter 206, the second radio-frequency (RF) receiving and transmission module 201, the second data conversion module 202 is connected with the secondary USB interface module successively and is connected, secondary USB interface module 203 is connected by the USB interface of USB wiring with touch-screen 50, WHDI receiver module 204, the 2nd WHDI audio frequency and video module 205 is connected with the second protocol modular converter successively and is connected, the audio, video data input port of the audio, video data delivery outlet 207 of second protocol modular converter 206 and display unit is connected, wherein, the first radio-frequency (RF) receiving and transmission module 101 be connected radio-frequency (RF) receiving and transmission module 201 and consist of less radio-frequencies and connect, WHDI transmitter module 104 is connected with the WHDI receiver module and is consisted of wireless audio and video and connect.
As shown in Figure 2, above-described embodiment can also comprise: the first control module 109, the first power adaptation module 110 and the first relay or the first controllable silicon 111, the first control module 109 is connected with the first relay or the first controllable silicon 111 with the first data conversion module 102 respectively, the first power adaptation module 110 is connected between civil power and the first relay or the first controllable silicon 111, and the first relay or the first controllable silicon 111 are connected with the first protocol conversion module 106 with WHDI transmitter module 104, a WHDI audio frequency and video module 105 respectively; The second control module 208, second source adaptation module 209 and the second relay or the second controllable silicon 210, the second control module 208 is connected with display unit 40, the second data conversion module 202 and the second relay or the second controllable silicon 210 respectively, second source adaptation module 209 is connected between civil power and the second relay or the second controllable silicon 210, and the second relay or the second controllable silicon 210 are connected with second protocol modular converter 206 with WHDI receiver module 204, the 2nd WHDI audio frequency and video module 205 respectively.
Fig. 3 is the audio frequency and video player method flow chart based on wireless transmission of one embodiment of the invention.As shown in Figure 3, the method comprises the following steps:
S102 sets up the wireless audio and video transfer of data between memory cell and display unit, wherein, memory cell is connected with expelling plate, and display unit is connected with dash receiver, and expelling plate and dash receiver consist of wireless connections;
S104 accepts user's single-point or multiple point touching by the touch-screen of display unit setting, and user's touch operation is converted to coordinate signal is wirelessly transmitted to expelling plate by dash receiver, and expelling plate is sent to memory cell with the signal that receives and resolves;
S106 transfers corresponding audio, video data by memory cell and is wirelessly transmitted to dash receiver by expelling plate, by playing after the display unit decoding.
For example, said method is further comprising the steps of:
Accept user's the operation of writing by touch-screen, and be sent to memory cell by dash receiver, expelling plate successively, be sent to display unit by expelling plate, dash receiver successively again and show after memory cell is resolved.
For avoiding the waste of electric energy, can carry out intelligent management to power supply.For example, in the above-described embodiments, further comprising the steps of before setting up the wireless audio and video data transmission step between memory cell and display unit: after the display unit unlatching being detected, the secondary USB interface module that is connected between display unit and dash receiver is powered on, and control power supply and power to dash receiver; The 3rd usb interface module that is connected between touch-screen and dash receiver is powered on, and start the 3rd usb interface module as main USB device; Send the wireless order that powers on to the expelling plate that is in holding state by dash receiver, open power supply is powered to expelling plate, and carries out protocol handshake by the first usb interface module that connects between expelling plate and memory cell.
in the above-described embodiments, connecting under normal state, after display unit (as liquid crystal display or LCD TV) is opened, native system enters into running status, expelling plate sends to dash receiver with the audio-video signal of memory cell (as PC or server) by wireless mode, and dash receiver passes to display unit by holding wire and shows and voice output, the writer writes or touches by touch-screen, signal passes to dash receiver by the usb signal line of touch-screen, dash receiver by wireless signal transfer to expelling plate, expelling plate outputs to memory cell by USB, memory cell is output as a new audio frequency and video image through processing, being sent to display unit through expelling plate and dash receiver plays, completed the interaction circulation of a video and touch/write, make the device that adopts the touch-screen displaying video can wireless transmission and interaction in the scope of apart from each other with memory cell and display unit, avoided the inconvenience of wiring.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, and the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
One of ordinary skill in the art will appreciate that: the module in the device in embodiment can be described according to embodiment and be distributed in the device of embodiment, also can carry out respective change and be arranged in the one or more devices that are different from the present embodiment.The module of above-described embodiment can be merged into a module, also can further split into a plurality of submodules.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme that previous embodiment is put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of embodiment of the present invention technical scheme.
Claims (8)
1. the audio and video display device based on wireless transmission, is characterized in that, comprising: memory cell, expelling plate, dash receiver and display unit, wherein
Described expelling plate is connected with described memory cell, and described dash receiver is connected with described display unit, and described expelling plate and described dash receiver consist of wireless connections;
Described display unit is provided with touch-screen, it accepts user's single-point or multiple point touching, and user's touch operation is converted to coordinate signal is wirelessly transmitted to described expelling plate by described dash receiver, described expelling plate is sent to described memory cell with the signal that receives and resolves, and transfer corresponding audio, video data and be wirelessly transmitted to described dash receiver by described expelling plate, by playing after described display unit decoding.
2. device according to claim 1, it is characterized in that, described touch-screen also is used for accepting user's the operation of writing, and be sent to described memory cell by described dash receiver, described expelling plate successively, be sent to described display unit by described expelling plate, described dash receiver successively and show after described memory cell is resolved.
3. device according to claim 1 is characterized in that:
described expelling plate comprises the first radio-frequency (RF) receiving and transmission module, the first data conversion module, the first usb interface module, the WHDI transmitter module, the one WHDI audio frequency and video module and the first protocol conversion module, described the first radio-frequency (RF) receiving and transmission module, described the first data conversion module be connected the first usb interface module and connect successively, described the first usb interface module is connected with the USB interface of described memory cell by the USB wiring, described WHDI transmitter module, a described WHDI audio frequency and video module be connected the first protocol conversion module and connect successively, the audio, video data input port of described the first protocol conversion module is connected with the audio, video data delivery outlet of described memory cell,
described dash receiver comprises the second radio-frequency (RF) receiving and transmission module, the second data conversion module, the secondary USB interface module, the WHDI receiver module, the 2nd WHDI audio frequency and video module and second protocol modular converter, described the second radio-frequency (RF) receiving and transmission module, described the second data conversion module be connected the secondary USB interface module and connect successively, described secondary USB interface module is connected with the USB interface of described touch-screen by the USB wiring, described WHDI receiver module, described the 2nd WHDI audio frequency and video module be connected the second protocol modular converter and connect successively, the audio, video data input port of the audio, video data delivery outlet of described second protocol modular converter and described display unit is connected,
Wherein, described the first radio-frequency (RF) receiving and transmission module be connected the second radio-frequency (RF) receiving and transmission module and consist of less radio-frequency and connect, described WHDI transmitter module be connected the WHDI receiver module and consist of wireless audio and video and connect.
4. device according to claim 3, is characterized in that, also comprises:
The first control module, the first power adaptation module and the first relay or the first controllable silicon, described the first control module is connected with the first relay or the first controllable silicon with described the first data conversion module respectively, described the first power adaptation module is connected between civil power and described the first relay or the first controllable silicon, and described the first relay or the first controllable silicon are connected with described the first protocol conversion module with described WHDI transmitter module, a described WHDI audio frequency and video module respectively;
The second control module, second source adaptation module and the second relay or the second controllable silicon, described the second control module is connected with described display unit, described the second data conversion module and described the second relay or the second controllable silicon respectively, described second source adaptation module is connected between civil power and described the second relay or the second controllable silicon, and described the second relay or the second controllable silicon are connected with described second protocol modular converter with described WHDI receiver module, described the 2nd WHDI audio frequency and video module respectively.
5. device according to claim 1, is characterized in that, described memory cell is PC main frame or server, and described display unit is LCD TV or liquid crystal display.
6. the audio frequency and video player method based on wireless transmission, is characterized in that, comprises the following steps:
Set up the wireless audio and video transfer of data between memory cell and display unit, wherein, described memory cell is connected with expelling plate, and described display unit is connected with dash receiver, and described expelling plate and described dash receiver consist of wireless connections;
Accept user's single-point or multiple point touching by the touch-screen of described display unit setting, and user's touch operation is converted to coordinate signal is wirelessly transmitted to described expelling plate by described dash receiver, described expelling plate is sent to described memory cell with the signal that receives and resolves;
Transfer corresponding audio, video data by described memory cell and be wirelessly transmitted to described dash receiver by described expelling plate, by playing after described display unit decoding.
7. method according to claim 6, is characterized in that, and is further comprising the steps of:
Accept user's the operation of writing by described touch-screen, and be sent to described memory cell by described dash receiver, described expelling plate successively, be sent to described display unit by described expelling plate, described dash receiver successively again and show after described memory cell is resolved.
8. method according to claim 6, is characterized in that, and is further comprising the steps of before setting up the wireless audio and video data transmission step between memory cell and display unit:
After the display unit unlatching being detected, the secondary USB interface module that is connected between described display unit and dash receiver is powered on, and control power supply to described dash receiver power supply;
The 3rd usb interface module that is connected between described touch-screen and described dash receiver is powered on, and start described the 3rd usb interface module as main USB device;
Send the wireless order that powers on to the expelling plate that is in holding state by described dash receiver, open power supply is powered to described expelling plate, and carries out protocol handshake by the first usb interface module that connects between described expelling plate and described memory cell.
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| CN201110372128.7A CN103124338B (en) | 2011-11-21 | 2011-11-21 | Based on audio and video display device and the method for wireless transmission |
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| CN201110372128.7A CN103124338B (en) | 2011-11-21 | 2011-11-21 | Based on audio and video display device and the method for wireless transmission |
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| CN103124338B (en) | 2016-01-27 |
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