CN101883236A - High-definition signal wireless transmission system and method - Google Patents
High-definition signal wireless transmission system and method Download PDFInfo
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Abstract
The invention relates to high-definition signal wireless transmission system and method. The high-definition signal wireless transmission system comprises a wireless transmission module connected with a high-definition signal play device and a wireless receiving module connected with a high-definition signal display device, and data is transmitted between the wireless transmission module and the wireless receiving module through a wireless communication mode, wherein the wireless transmission module comprises an extended display identification parameter analyzing module and a high-definition multimedia interface actuating signal simulating unit. The extended display identification parameter analyzing module analyzes new extended display identification parameters sent by the wireless receiving module and stores the parameters into a transmitting end storage after erasing the parameters with resolution ratio unsupported by the high-definition signal wireless transmission system; the high-definition multimedia interface actuating signal simulating unit generates a high-definition multimedia interface removal actuating signal before wireless connection is established between the wireless transmission module and the wireless receiving module, and generates a high-definition multimedia interface insertion actuating signal after the extended display identification parameters are analyzed and stored. The compatibility between the high-definition signal display device and the high-definition signal play device can be effectively realized.
Description
Technical field
The present invention relates to the multimedia communication technology field, relate in particular to the compatible solution in the high-definition signal wireless transmission system.
Background technology
Store at present between the player and display device in audio-video signal source; generally adopt at high-definition media interface (High Definition Multimedia Interface; HDMI) carry out the signal transmission; yet owing to there are household electrical appliances; the fusion problem of industries such as information; the manufacturer of player and display device is a lot; audio, video data form of Bo Fanging or standard are also numerous simultaneously; therefore often there is video between display device and the player; audio frequency; the compatibility of aspects such as control; the player that occurs a brand through regular meeting is with after the display device of another brand links to each other by the HDMI cable, the situation of cisco unity malfunction.
Adopt at present the HDMI technology to carry out the display device of transfer of data and the general connected mode between the player as shown in Figure 1, wherein, (Transition Minimized Differential Signaling, TMDS) data channel transfers to display device to the audio, video data of storing in the player by transition minimized differential signaling.Realize that wherein method compatible between display device and the player is as follows, when system powers on, or the HDMI cable is when hot-swappable, player is by display data passage (Display Data Channel, DDC) the extending display identification parameter of control line reading displayed equipment (Extended DisplayIdentification Data, EDID) read the extending display identification data in the memory, wherein comprise the parameter of relevant monitor and performance thereof, comprise supplier information, the maximum image size, color is provided with, manufacturer pre-sets, the character string of the restriction of frequency range and display name and sequence number.Player is learnt the video resolution that the display device that connected can be supported, the maximum video resolution displaying video that can both support with both sides then from the EDID parameter.
Above compatibility mode generally can support the vision signal of most low resolution to play, but in the WirelessHD system that uses at present more and more widely, owing to added the wireless repeater that wireless transmitting terminals and wireless interface receiving end are formed, as shown in Figure 2, make compatibling problem between display device and the player become complicated more, adopt general compatible solution then can't solve compatibility issue between all display devices and the player.
In addition in the prior art, general consumer electronics control (the consume electron control that adopts, CEC) line is realized the key control between display device and the player, if when putting video disc into Blu-ray player with the person, the TV meeting is Auto Power On owing to the notice of CEC signal, and video channel also can automatically switch on the passage of player connection then.And when the user turned off TV, the device that the CEC signal also can notify HDMI to be connected together entered standby, so just can become single remote controller fully and control the equipment that all adopt HDMI to connect.
Summary of the invention
The technical problem to be solved in the present invention is, above-mentioned defective at prior art, a kind of high-definition signal wireless transmission system and method that is used to realize high-definition signal transmission between high-definition signal display device and the high-definition signal playback equipment is provided, and it can realize the good compatibility between high-definition signal display device and the high-definition signal playback equipment.
The technical solution adopted for the present invention to solve the technical problems is:
Construct a kind of high-definition signal wireless transmission system, comprise the wireless transmitter module and the wireless receiving module that is connected the high-definition signal display device that connect the high-definition signal playback equipment, adopt communication transmission data between described wireless transmitter module and the wireless receiving module, wherein, described wireless transmitter module comprises:
High-definition media interface actuating signal analogue unit, be used for before the wireless connections between wireless receiving module and the wireless transmitter module are set up, produce a high-definition media interface and push actuating signal aside, and after the analyzing stored of finishing the extending display identification parameter, produce a high-definition media interface insert action signal;
Extending display identification parameter analytic unit, be used for the new extending display identification parameter that described wireless receiving module sends over is analyzed, after rejecting wherein the unsupported resolution of high-definition signal wireless transmission system, deposit in the transmitting terminal memory, read for described high-definition signal playback equipment.
High-definition signal wireless transmission system of the present invention, wherein, described wireless receiving module comprises:
Extending display identification parameter reading unit, the wireless connections that are used between wireless receiving module and wireless transmitter module are set up, and when the high-definition signal display device also is connected with wireless receiving module, read the extending display identification parameter on the high-definition signal display device;
The receiving terminal RF processing unit, the extending display identification parameter that is used for being read from described high-definition signal display device sends to described wireless transmitter module.
High-definition signal wireless transmission system of the present invention, wherein, described wireless transmitter module also comprises:
Transmitting terminal radio frequency processing module, be used for rejecting that described transmitting terminal memory is stored the extending display identification parameter after the unsupported resolution of high-definition signal wireless transmission system send to wireless receiving module.
High-definition signal wireless transmission system of the present invention, wherein, described wireless receiving module also comprises:
Comparing unit, being used for the new extending display identification parameter that will be read from the described high-definition signal display device and the wireless transmitter module extending display identification parameter that feedback is come last time compares, and when the two is identical, send relatively same signal to described wireless transmitter module, notify described wireless transmitter module to adopt the extending display identification parameter of current storage on the transmitting terminal memory; When the two is inequality, will send to described wireless transmitter module from the new extending display identification parameter that described high-definition signal display device reads.
High-definition signal wireless transmission system of the present invention, wherein, described wireless receiving module is provided with infra-red remote control and receives head, is used to receive from the control information of peripheral control unit to described high-definition signal playback equipment; Described high-definition signal playback equipment comprises infrared receiver, and described wireless transmitter module comprises infrared emission unit;
Described wireless receiving module is used for that described infrared remote control is received a control information that receives and passes through described wireless transmitter module by wireless channel;
Described wireless transmitter module is used for the control information that described wireless receiving module sends is transferred to described high-definition signal playback equipment by the consumer electronics control bus or with infrared mode, realizes the control to described high-definition signal playback equipment.
The present invention also provides a kind of high-definition signal radio transmitting method based on foregoing high-definition signal wireless transmission system, wherein, may further comprise the steps:
A, before the wireless connections between wireless receiving module and the wireless transmitter module are set up, wireless receiving module produces a high-definition media interface and pushes actuating signal aside;
B, the wireless connections between wireless receiving module and wireless transmitter module are set up, and when the high-definition signal display device also is connected with wireless receiving module, wireless receiving module reads the extending display identification parameter on the high-definition signal display device, and sends to described wireless transmitter module;
C, described wireless transmitter module are analyzed the extending display identification parameter that receives, reject wherein the unsupported resolution of high-definition signal wireless transmission system after, deposit in the transmitting terminal memory;
D, behind completing steps C, described wireless transmitter module produces a high-definition media interface insert action signal, after the high-definition signal playback equipment detects described high-definition media interface insert action signal, read the extending display identification parameter of being stored in described the body memory, and the maximum video resolution of therefrom selecting described high-definition signal playback equipment and described high-definition signal display device to support is play.
High-definition signal radio transmitting method of the present invention, wherein, described step C also comprises:
The rejecting that C1, described wireless transmitter module are wherein stored the body storage extending display identification parameter after the unsupported resolution of high-definition signal wireless transmission system send to wireless receiving module;
High-definition signal radio transmitting method of the present invention, wherein, described step B also comprises:
B1, the new extending display identification parameter that will be read from the described high-definition signal display device and the wireless transmitter module extending display identification parameter that feedback is come last time compares, and when the two is identical, send relatively same signal to described wireless transmitter module, notify described wireless transmitter module to adopt the extending display identification parameter of current storage on the transmitting terminal memory; When the two is inequality, will send to described wireless transmitter module from the new extending display identification parameter that described high-definition signal display device reads.
High-definition signal radio transmitting method of the present invention, wherein, also comprise step e, receive the control information of peripheral control unit described high-definition signal playback equipment at described wireless receiving module, after described control information is passed through described wireless transmitter module by wireless channel, described wireless transmitter module is transferred to described high-definition signal playback equipment with the control information that described wireless receiving module sends again, realizes the control to described high-definition signal playback equipment.
High-definition signal radio transmitting method of the present invention, wherein, in the described step e, described control information comprises: the operational order in start or shutdown command, the playing process, described wireless receiving module is converted into the consumer electronics control command with described operational order, and send to described wireless transmitter module with wireless mode, send to described high-definition signal playback equipment by described wireless transmitter module by the consumer electronics control bus again.
The present invention is by increasing extending display identification parameter analytic unit in high-definition signal wireless transmission system, so that the extending display identification parameter that reads from the high-definition signal display device is analyzed, and adopt high-definition media interface actuating signal analogue unit to simulate high-definition media interface hot plug actuating signal, make that the high-definition signal playback equipment just begins to play after wireless transmitter module is ready to the extending display identification parameter, realize the high-definition signal playback equipment, high-definition signal display device and high-definition signal wireless transmission system action have effectively realized the compatibility of resolution between high-definition signal playback equipment and the high-definition signal display device synchronously.
Simultaneously, the present invention also further sets up infra-red remote control and receives head in high-definition signal wireless transmission system, make from the control information of outside infrared remote controller or from the CEC information of high-definition signal display device, can be forwarded to wireless receiving module by wireless transmitter module, comprise play command such as startup and shutdown order and broadcast, F.F., rewind down, next program, realize simultaneously to the high-definition signal playback equipment with to the control of high-definition signal display device, thereby realize sensu lato compatibility between high-definition signal display device and the high-definition signal playback equipment.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is a connection diagram between display device and the player under the general mode in the prior art;
Fig. 2 is a connection diagram between display device and the player under the high definition pattern in the prior art;
Fig. 3 is the high-definition signal wireless transmission system theory diagram one of the embodiment of the invention, comprises and being connected of high-definition signal display device and high-definition signal playback equipment;
Fig. 4 is the high-definition signal wireless transmission system theory diagram two of the embodiment of the invention, comprises and being connected of high-definition signal display device and high-definition signal playback equipment.
Embodiment
Below in conjunction with diagram, the preferred embodiments of the present invention are described in detail.
The high-definition signal wireless transmission system of preferred embodiment of the present invention as shown in Figure 3, it comprises the wireless transmitter module and the wireless receiving module that is connected the high-definition signal display device that connects the high-definition signal playback equipment, adopt communication transmission data between wireless transmitter module and the wireless receiving module, wireless transmitter module comprises high-definition media interface actuating signal analogue unit and extending display identification parameter analytic unit.Wherein, high-definition media interface actuating signal analogue unit is before the wireless connections between wireless receiving module and the wireless transmitter module are set up, produce a high-definition media interface and push actuating signal aside, and after the analyzing stored of finishing the extending display identification parameter, produce a high-definition media interface insert action signal.Extending display identification parameter analytic unit is analyzed the new extending display identification parameter that wireless receiving module sends over, reject wherein the unsupported resolution of high-definition signal wireless transmission system after, deposit in the transmitting terminal memory.
Wherein, high-definition media interface actuating signal analogue unit can guarantee the high-definition signal playback equipment, between high-definition signal display device and the high-definition signal wireless transmission system synchronously, before wireless transmitter module is unripe, even high-definition signal playback equipment and wireless transmitter module, and physical connection has been connected between wireless receiving module and the high-definition signal display device, the high-definition signal playback equipment can not begin to play yet, having only by the time, high-definition media interface actuating signal analogue unit produces high-definition media interface insert action signal, and the high-definition signal playback equipment detects after this signal, just can begin to read the extending display identification parameter of storing in the transmitting terminal memory, and the maximum video resolution of therefrom selecting high-definition signal playback equipment and high-definition signal display device to support is play.Extending display identification parameter analytic unit can guarantee the resolution compatibility between high-definition signal playback equipment, the high-definition signal display device, guarantees that the high-definition video signal broadcast is smooth.
On the basis of above embodiment, as shown in Figure 3, the wireless receiving module of high-definition signal wireless transmission system further comprises extending display identification parameter reading unit and receiving terminal RF processing unit.Wherein, the wireless connections of extending display identification parameter reading unit between wireless receiving module and wireless transmitter module are set up, and when the high-definition signal display device also is connected with wireless receiving module, (Display Data Channel, DDC) control line reads the extending display identification parameter on the high-definition signal display device by the display data passage.The receiving terminal RF processing unit sends to wireless transmitter module with the extending display identification parameter that wireless mode will be read from the high-definition signal display device again.
Wherein, as shown in Figure 3, wireless transmitter module also comprises transmitting terminal radio frequency processing module, it receives the new extending display identification parameter that wireless receiving module sends, and with the rejecting of being stored in the transmitting terminal memory extending display identification parameter after the unsupported resolution of high-definition signal wireless transmission system send to wireless receiving module, and be stored in the receiving terminal memory of wireless receiving module standby.
Further, as shown in Figure 3, the wireless receiving module of high-definition signal wireless transmission system also comprises comparing unit, it reads the wireless transmitter module extending display identification parameter that last time, feedback was come from the receiving terminal memory, and itself and the new extending display identification parameter that is read from the high-definition signal display device compared, when the two is identical, send relatively same signal to wireless transmitter module, the notice wireless transmitter module adopts the extending display identification parameter of current storage on the transmitting terminal memory; When the two is inequality, to send to wireless transmitter module from the new extending display identification parameter that the high-definition signal display device reads, by the extending display identification parameter analytic unit of wireless transmitter module the new extending display identification parameter that wireless receiving module sends over is analyzed again, after rejecting wherein the unsupported resolution of high-definition signal wireless transmission system, deposit in then in the transmitting terminal memory, then produce high-definition media interface insert action signal by high-definition media interface actuating signal analogue unit.
Further, as shown in Figure 4, the wireless receiving module of high-definition signal wireless transmission system is provided with infra-red remote control and receives head, is used to receive from the control information of peripheral control unit to the high-definition signal playback equipment.Wireless receiving module receives a control information that receives with infrared remote control and passes through wireless transmitter module by up channel, wireless transmitter module is transferred to the high-definition signal playback equipment with the control information that wireless receiving module sends by the consumer electronics control bus again, realizes the control to the high-definition signal playback equipment.Wherein, control information comprises: the operational order in start or shutdown command, the playing process.When control information is start or shutdown command, wireless transmitter module simulation high-definition media interface hot plug actuating signal is controlled start of high-definition signal playback equipment and shutdown, when control information is operational order in the playing process, wireless receiving module is converted into the consumer electronics control command with operational order, and send to wireless transmitter module with wireless mode, control (consume electron control by wireless transmitter module by consumer electronics again, CEC) bus sends to the high-definition signal playback equipment, thereby realizes the control to the high-definition signal playback equipment.
Because many equipment are good inadequately to the support of CEC bus functionality, are easy to cause the control information bust this.In a further embodiment, as shown in Figure 4, be provided with infrared receiver in the high-definition signal playback equipment, wireless transmitter module includes infrared emission unit.Wireless receiving module receives a control information that receives with infrared remote control and passes through wireless transmitter module by up channel, and wireless transmitter module is transferred to the high-definition signal playback equipment with the control information that wireless receiving module sends with infrared mode again.Can guarantee that like this signal transmission is errorless between wireless transmitter module and the high-definition signal playback equipment, guarantee accurate control the high-definition signal playback equipment.
In a further embodiment, the present invention also provides a kind of high-definition signal radio transmitting method based on foregoing high-definition signal wireless transmission system, and it may further comprise the steps:
S1, high-definition media interface actuating signal analogue unit detect the connection between wireless receiving module, wireless transmitter module, high-definition signal display device and the high-definition signal playback equipment in real time, and before the wireless connections between wireless receiving module and the wireless transmitter module are set up, wireless receiving module produces a high-definition media interface and pushes actuating signal aside, the expression high-definition signal wireless transmission system is still unripe, the high-definition signal playback equipment can not carry out any action when detecting this high-definition media interface and push actuating signal aside;
S2, the wireless connections between wireless receiving module and wireless transmitter module are set up, and when the high-definition signal display device also is connected with wireless receiving module, wireless receiving module reads extending display identification parameter on the high-definition signal display device by the DDC control line, and sends to wireless transmitter module;
S3, wireless transmitter module are analyzed the extending display identification parameter that receives, reject wherein the unsupported resolution of high-definition signal wireless transmission system after, deposit in the transmitting terminal memory;
S4, behind completing steps S3, wireless transmitter module produces a high-definition media interface insert action signal, after the high-definition signal playback equipment detects high-definition media interface insert action signal, the extending display identification parameter that reads in this body memory to be stored, and the maximum video resolution of therefrom selecting high-definition signal playback equipment and high-definition signal display device to support is play.
In a further embodiment, above step S3 also comprises: the rejecting that wireless transmitter module is wherein stored body storage the extending display identification parameter after the unsupported resolution of high-definition signal wireless transmission system send to wireless receiving module, and be stored in the receiving terminal memory of wireless receiving module standby.Above step S4 further comprises: new extending display identification parameter that will be read from the high-definition signal display device and the wireless transmitter module extending display identification parameter that feedback is come last time compares, if the two is identical, then represent the high-definition signal display device identical that be that this moment, wireless receiving module connected with last time, wireless receiving module can send relatively same signal to wireless transmitter module, and the notice wireless transmitter module adopts the extending display identification parameter of current storage on the transmitting terminal memory; If the two is inequality, then expression this moment, wireless receiving module connected for and high-definition signal display device inequality last time, wireless receiving module will send to wireless transmitter module from the new extending display identification parameter that the high-definition signal display device reads this moment, by the extending display identification parameter analytic unit of wireless transmitter module the new extending display identification parameter that wireless receiving module sends over is analyzed again, after rejecting wherein the unsupported resolution of high-definition signal wireless transmission system, deposit in then in the transmitting terminal memory, then produce high-definition media interface insert action signal by high-definition media interface actuating signal analogue unit.
Further, in the described high-definition signal radio transmitting method of above embodiment, also comprise step S5: peripheral control unit can send control information to wireless receiving module with infrared mode, as consumer electronics control (consume electron control, CEC) information, after wireless receiving module receives the control information of peripheral control unit to the high-definition signal playback equipment, control information is passed through wireless transmitter module by up channel, (consume electron control, CEC) bus or infrared emission unit are transferred to the high-definition signal playback equipment by consumer electronics control in the control information that wireless transmitter module sends wireless receiving module again.Like this, as long as the high-definition signal playback equipment in the effective range of transmission of wireless signals, can be received the control information from wireless receiving module, realize a key control to the high-definition signal playback equipment.
Wherein, control information comprises: the operational order in start or shutdown command, the playing process, when control information is start or shutdown command, wireless transmitter module simulation high-definition media interface hot plug actuating signal is controlled start of high-definition signal playback equipment and shutdown, when control information is operational order in the playing process, wireless receiving module is converted into the CEC order with operational order, and send to wireless transmitter module with wireless mode, send to the high-definition signal playback equipment by wireless transmitter module by the CEC bus again.
The present invention is by increasing extending display identification parameter analytic unit in high-definition signal wireless transmission system, so that the extending display identification parameter that reads from the high-definition signal display device is analyzed, and adopt high-definition media interface actuating signal analogue unit to simulate high-definition media interface hot plug actuating signal, make that the high-definition signal playback equipment just begins to play after wireless transmitter module is ready to the extending display identification parameter, realize the high-definition signal playback equipment, high-definition signal display device and high-definition signal wireless transmission system action have effectively realized the compatibility of resolution between high-definition signal playback equipment and the high-definition signal display device synchronously.
Simultaneously, the present invention also further sets up infra-red remote control and receives head in high-definition signal wireless transmission system, and infrared emission unit is set in wireless transmitter module, and utilize existing infrared receiver in the high-definition signal playback equipment, make from the control information of outside infrared remote controller and CEC signal from the high-definition signal playback equipment, comprise the startup and shutdown order, and play, F.F., rewind down, play command such as next program, can be forwarded to wireless receiving module by wireless transmitter module, be sent to simultaneously the infrared receiver of high-definition signal playback equipment again by the infrared emission unit of wireless transmitter module, or by the CEC control line, realization is to the control of high-definition signal playback equipment, thus sensu lato compatibility between realization high-definition signal display device and the high-definition signal playback equipment.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (10)
1. high-definition signal wireless transmission system, comprise the wireless transmitter module and the wireless receiving module that is connected the high-definition signal display device that connect the high-definition signal playback equipment, adopt communication transmission data between described wireless transmitter module and the wireless receiving module, it is characterized in that described wireless transmitter module comprises:
High-definition media interface actuating signal analogue unit, be used for before the wireless connections between wireless receiving module and the wireless transmitter module are set up, produce a high-definition media interface and push actuating signal aside, and after the analyzing stored of finishing the extending display identification parameter, produce a high-definition media interface insert action signal;
Extending display identification parameter analytic unit, be used for the new extending display identification parameter that described wireless receiving module sends over is analyzed, after rejecting wherein the unsupported resolution of high-definition signal wireless transmission system, deposit in the transmitting terminal memory, read for described high-definition signal playback equipment.
2. high-definition signal wireless transmission system according to claim 1 is characterized in that, described wireless receiving module comprises:
Extending display identification parameter reading unit, the wireless connections that are used between wireless receiving module and wireless transmitter module are set up, and when the high-definition signal display device also is connected with wireless receiving module, read the extending display identification parameter on the high-definition signal display device;
The receiving terminal RF processing unit, the extending display identification parameter that is used for being read from described high-definition signal display device sends to described wireless transmitter module.
3. high-definition signal wireless transmission system according to claim 2 is characterized in that, described wireless transmitter module also comprises:
The transmitting terminal RF processing unit, be used for rejecting that described transmitting terminal memory is stored the extending display identification parameter after the unsupported resolution of high-definition signal wireless transmission system send to wireless receiving module.
4. high-definition signal wireless transmission system according to claim 3 is characterized in that, described wireless receiving module also comprises:
Comparing unit, being used for the new extending display identification parameter that will be read from the described high-definition signal display device and the wireless transmitter module extending display identification parameter that feedback is come last time compares, and when the two is identical, send relatively same signal to described wireless transmitter module, notify described wireless transmitter module to adopt the extending display identification parameter of current storage on the transmitting terminal memory; When the two is inequality, will send to described wireless transmitter module from the new extending display identification parameter that described high-definition signal display device reads.
5. according to each described high-definition signal wireless transmission system among the claim 1-4, it is characterized in that, described wireless receiving module is provided with infra-red remote control and receives head, is used to receive from the control information of peripheral control unit to described high-definition signal playback equipment; Described high-definition signal playback equipment comprises infrared receiver, and described wireless transmitter module comprises infrared emission unit;
Described wireless receiving module is used for that described infrared remote control is received a control information that receives and passes through described wireless transmitter module by wireless channel;
Described wireless transmitter module is used for the control information that described wireless receiving module sends is transferred to described high-definition signal playback equipment by the consumer electronics control bus or with infrared mode, realizes the control to described high-definition signal playback equipment.
6. the high-definition signal radio transmitting method based on the high-definition signal wireless transmission system described in each among the claim 1-5 is characterized in that, may further comprise the steps:
A, before the wireless connections between wireless receiving module and the wireless transmitter module are set up, wireless receiving module produces a high-definition media interface and pushes actuating signal aside;
B, the wireless connections between wireless receiving module and wireless transmitter module are set up, and when the high-definition signal display device also is connected with wireless receiving module, wireless receiving module reads the extending display identification parameter on the high-definition signal display device, and sends to described wireless transmitter module;
C, described wireless transmitter module are analyzed the extending display identification parameter that receives, reject wherein the unsupported resolution of high-definition signal wireless transmission system after, deposit in the transmitting terminal memory;
D, behind completing steps C, described wireless transmitter module produces a high-definition media interface insert action signal, after the high-definition signal playback equipment detects described high-definition media interface insert action signal, read the extending display identification parameter of being stored in described the body memory, and the maximum video resolution of therefrom selecting described high-definition signal playback equipment and described high-definition signal display device to support is play.
7. high-definition signal radio transmitting method according to claim 6 is characterized in that, described step C also comprises:
The rejecting that C1, described wireless transmitter module are wherein stored the body storage extending display identification parameter after the unsupported resolution of high-definition signal wireless transmission system send to wireless receiving module;
8. high-definition signal radio transmitting method according to claim 7 is characterized in that, described step B also comprises:
B1, the new extending display identification parameter that will be read from the described high-definition signal display device and the wireless transmitter module extending display identification parameter that feedback is come last time compares, and when the two is identical, send relatively same signal to described wireless transmitter module, notify described wireless transmitter module to adopt the extending display identification parameter of current storage on the transmitting terminal memory; When the two is inequality, will send to described wireless transmitter module from the new extending display identification parameter that described high-definition signal display device reads.
9. high-definition signal radio transmitting method according to claim 6, it is characterized in that, also comprise step e, receive the control information of peripheral control unit described high-definition signal playback equipment at described wireless receiving module, after described control information is passed through described wireless transmitter module by wireless channel, described wireless transmitter module is transferred to described high-definition signal playback equipment with the control information that described wireless receiving module sends again, realizes the control to described high-definition signal playback equipment.
10. high-definition signal radio transmitting method according to claim 9, it is characterized in that, in the described step e, described control information comprises: described wireless receiving module is converted into the consumer electronics control command with described operational order, and send to described wireless transmitter module with wireless mode, send to described high-definition signal playback equipment by described wireless transmitter module by the consumer electronics control bus again.
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| CN107799090B (en) * | 2016-09-01 | 2019-12-27 | 优派国际股份有限公司 | Method for simulating display characteristics of display and display |
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| CN101883236B (en) | 2012-11-28 |
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