CN106604121A - HDMI compatible method and display apparatus - Google Patents
HDMI compatible method and display apparatus Download PDFInfo
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- CN106604121A CN106604121A CN201611222709.1A CN201611222709A CN106604121A CN 106604121 A CN106604121 A CN 106604121A CN 201611222709 A CN201611222709 A CN 201611222709A CN 106604121 A CN106604121 A CN 106604121A
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- 238000004891 communication Methods 0.000 claims description 25
- 230000005611 electricity Effects 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
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- 238000004088 simulation Methods 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
- H04N21/43635—HDMI
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses an HDMI compatible method and a display apparatus. The HDMI compatible method comprises the following steps: enabling a high definition multimedia interface (HDMI) protocol of the first version to communicate with external equipment; determining whether the response of the external equipment is correct; and if the response of the external equipment is not correct, replacing the above protocol with HDMI protocols of other versions till the HDMI protocol of the external equipment is matched, and establishing an HDMI connection. The invention also discloses a display apparatus. According to the invention, HDMI connections between the display apparatus and external equipment can be established without requests of human participation by automatically determining whether the response of the external equipment is correct and enabling the HDMI protocol of the preset version to match the external equipment one by one.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of HDMI compatibility method and display device.
Background technology
At present increasing display device supports HDMI HDMI, but because technology is sent out
Exhibition, the version of HDMI is being constantly updated.And display device on the market only supports the HDMI of a version, display is caused to set
What the HDMI versions mismatch of standby and display device exterior equipment was caused cannot connect；Although some display devices have used multiple
The HDMI of version, however it is necessary that user switches over manually, and user is in the case of without enough Professional knowledges, it is difficult to enter
The correct operation of row.
The content of the invention
Present invention is primarily targeted at providing a kind of HDMI compatibility method and display device, it is intended to reduce artificial behaviour
The problem of HDMI connections is completed in the case of work.
For achieving the above object, the present invention provides a kind of HDMI compatibility method, the HDMI compatibility method bag
Include following steps：
Display device and external equipment are carried out using the HDMI agreement HDMI agreement of first version
Communication；
Judge whether the response of the external equipment is correct；
When the response of the external equipment is incorrect, be replaced by the HDMI agreements of other versions, until with the outside
The version of the HDMI agreements of equipment is engaged, and sets up HDMI connections.
Preferably, it is described when the response of the external equipment is incorrect, the HDMI agreements of other versions are replaced by, until
Being engaged with the version of the HDMI agreements of the external equipment, and set up HDMI connections includes：
Control HDMI external interface power down；
The version for updating the HTMI agreements communicated with the external equipment is the second edition；
Control electricity on the HDMI external interfaces；
Communicated using the HDMI agreements and the external equipment of the second edition, and it is described outer to perform the judgement
The whether correct step of the response of portion's equipment.
Preferably, before the HDMI agreements in the use first version are communicated display device and external equipment,
The HDMI compatibility method also includes：
Monitor HDMI external interfaces；
Judge whether the read request of external equipment；
When there is the read request of the external equipment, the HDMI agreements of the use first version are performed by display device
Communication steps are carried out with external equipment.
Preferably, the HDMI agreement HDMI agreement of the use first version is by display device and outer
Portion's equipment carries out communication to be included：
Judge whether user input information；
When there is user input information, using the HDMI agreements of version specified by the user input information as described
The HDMI agreements of first version are communicated display device and external equipment..
Preferably, the first version is the external equipment utilization rate highest HDMI version that the display device connected
This.
Further, it would be desirable to provide a kind of display device, the display device includes：
Communication module, is communicated display device and external equipment for the HDMI agreements using first version；
Whether the first judge module, the response for judging the external equipment is correct；
Module is changed, for when the response of the external equipment is incorrect, being replaced by the HDMI agreements of other versions, directly
Extremely it is engaged with the version of the HDMI agreements of the external equipment, and sets up HDMI connections.
Preferably, the replacing module includes：
First control unit, for controlling HDMI external interface power down；
Updating block, the version for updating the HTMI agreements communicated with the external equipment is the second edition；
Second control unit, for controlling electricity on the HDMI external interfaces；
Performance element, is communicated for the HDMI agreements and the external equipment using the second edition, and is started
First judge module.
Preferably, the display device also includes：
Module is monitored, for monitoring HDMI external interfaces；
Second judge module, for judging whether the read request of external equipment；
Performing module, for when there is the read request of the external equipment, starting the communication module.
The communication module includes：
Judging unit, for judging whether user input information；
Communication unit, for when there is user input information, using version specified by the user input information
HDMI agreements are communicated display device and external equipment as the HDMI agreements of the first version.
Preferably, the first version is the external equipment utilization rate highest HDMI version for connecting.
By the present invention in that with the HDMI agreement HDMI agreement of first version by display device and outer
Portion's equipment is communicated；Judge whether the response of the external equipment is correct；When the response of the external equipment is incorrect, more
The HDMI agreements of other versions are changed to, until being engaged with the version of the HDMI agreements of the external equipment, and HDMI companies is set up
Connect.By the present invention in that whether correct with the response for carrying out judging external equipment automatically, using default version HDMI agreements with
External equipment carries out matching one by one, to reach under without the artificial request for participating in, completes display device with external equipment
HDMI connects.
Description of the drawings
Fig. 1 is the schematic flow sheet of HDMI compatibility method first embodiment of the present invention；
Fig. 2 is in HDMI compatibility method second embodiment of the present invention when the response of external equipment is incorrect, to change
The HDMI versions and external equipment that are engaged with the HDMI agreements of external equipment for other carry out the refinement stream of HDMI Connection Steps
Journey schematic diagram；
Fig. 3 is the schematic flow sheet of HDMI compatibility method 3rd embodiment of the present invention；
Fig. 4 is that the high-definition multimedia of first version used in HDMI compatibility method fourth embodiment of the present invention connects
Display device and external equipment are carried out mouth agreement HDMI agreement the refinement schematic flow sheet of communication steps；
Fig. 5 is the high-level schematic functional block diagram of display device first embodiment of the present invention；
Fig. 6 is the refinement high-level schematic functional block diagram that module is changed in display device second embodiment of the present invention；
Fig. 7 is the high-level schematic functional block diagram of display device 3rd embodiment of the present invention；
Fig. 8 is that the refinement functional module of communication module in emulating server response system 3rd embodiment of the present invention is illustrated
Figure.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only to explain the present invention.
The present invention provides a kind of HDMI compatibility method, real in HDMI compatibility method of the present invention first with reference to Fig. 1
In applying example, the HDMI compatibility method is comprised the following steps：
Step S10, using the HDMI agreement HDMI agreement of first version by display device and outside
Equipment is communicated；
Step S20, judges whether the response of the external equipment is correct；
Step S30, when the response of the external equipment is incorrect, is replaced by the HDMI agreements of other versions, until with
The version of the HDMI agreements of the external equipment is engaged, and sets up HDMI connections.
By using the HDMI agreements of default multi version, when carrying out HDMI with external equipment and being connected, if using one
The HDMI agreements of version can not be set up with the external equipment and effectively be connected, then be replaced with the HDMI agreements of next version,
Until set up effective HDMI with the external equipment being connected, external equipment is effectively avoided in the HDMI for not supporting redaction
During agreement, and the occurrence of cause the output abnormality of external equipment, so as to by using carrying out judging external equipment automatically
Whether response is correct, matching one by one is carried out using HDMI agreements and the external equipment of default version, to reach without manually
Under the request of participation, complete display device and be connected with the HDMI of external equipment.
Specifically, in this example it is shown that device is attempted using the EDID of the HDMI agreements that version is 2.0
(Extended Display Identification Data) extending display identification data and external equipment are communicated, and are passed through
Judge that what whether the external equipment responded is SCDC (Status and Control Data Channel, the shape of HDMI 2.0
State and data channel), if it is, carrying out HDMI connections using HDMI 2.0 and the external equipment；If it is not, then changing
HDMI agreements for other versions carry out HDMI and are connected with the external equipment, until external-device response correspondence version
SCDC, more specifically, when using HDMI 1.4, completing HDMI with the external equipment and being connected.
Fig. 2 is refer to, based on HDMI compatibility method first embodiment of the present invention, in HD MI interface compatibilities of the present invention
In method second embodiment, step S30 includes：
Step S31, controls HDMI external interface power down；
Step S32, the version for updating the HTMI agreements communicated with the external equipment is the second edition；
Step S33, controls electricity on the HDMI external interfaces；
Step S34, is communicated using the HDMI agreements and the external equipment of the second edition, and performs the step
Rapid S20.
By using control HDMI external interfaces power down and upper electricity, simulation and the external equipment re-start HDMI companies
Connect, it is to avoid the plug operation that user's manual operation is carried out, while improving Consumer's Experience, automation mechanized operation also accelerate for
The external equipment finds the speed of the HDMI of appropriate version.
Specifically, in the present embodiment, whenever the HDMI agreements for changing a version are communicated to the external equipment
Afterwards, when not getting the SCDC for meeting correspondence version, power-down operation is carried out to the HDMI external interfaces, and is replaced by before this
The HDMI protocol versions being not attempt to are currently used HDMI protocol versions, after one Preset Time of power down, specifically,
To be that the HDMI external interfaces are re-powered after 1 second in the present embodiment, extraneous interface is stimulated to carry out HDMI connections again, and
Execution step S20 judges whether whether the response of the external equipment is correct.
It should be noted that in some embodiments, the power down is to use and the good signal of the external equipment agreement,
When the signal is sent, described and described external equipment carries out the trial of a HDMI connection.
Fig. 3 is refer to, based on HDMI compatibility method first embodiment of the present invention, in HD MI interface compatibilities of the present invention
In method 3rd embodiment, before step S10, the HDMI compatibility method also includes：
Step S40, monitors HDMI external interfaces；
Step S50, judges whether the read request of external equipment；
Step S60, when there is the read request of the external equipment, performs step S10.
The HDMI external interfaces are monitored in real time, read request is determined whether so that can be in the very first time and institute
Stating external equipment carries out HDMI connections.When there is read request immediately using step S10 attempt and the external equipment enter
Row HDMI connects, and improves treatment effeciency, and shortening carries out the time of HD MI connections.
Specifically in the present embodiment when HDMI connections are not carried out, in real time the HDMI external interfaces are detected,
When the read request of external equipment is deposited, it is immediately performed step S10 and attempts carrying out HDMI connections with the external equipment.
It should be noted that in some embodiments, the read request is to use and the good beginning of the external equipment agreement
Connect signal using HDMI, when receive it is described begin to use HDMI connection signals when, the fine definition using first version is more
Media interface protocol HDMI agreements and external equipment are communicated.
Fig. 4 is refer to, based on HDMI compatibility method first embodiment of the present invention, in HD MI interface compatibilities of the present invention
In method fourth embodiment, step S10 includes：
Step S11, judges whether user input information；
Step S12, when there is user input information, using the HDMI agreements of version specified by the user input information
Display device and external equipment are communicated as the HDMI agreements of the first version.
It is use when user knows the HDMI versions of connected external equipment for the user for having abundant HDMI knowledge
Family arranges input mode, by judging whether user input information, in user the HDMI versions to external equipment is had already known
On the premise of this so that user can the desired HDMI versions of manual control selections, accelerate the connection procedure of the HDMI.
Specifically, in the present embodiment, it is that user is provided with button, user selects or be input into indicated release using button
After HDMI protocol versions, information is received, and the external equipment is attempted carrying out HDMI communications, and interpretation is then carried out again, enters one
Step confirms that be input into version is correct, if the external equipment has correct response, carries out HDMI connections.
It should be noted that in some embodiments, the input information is the level signal that user is sent using button,
According to receive the level signal number of times determine use which version HDMI protocol insteads described in first version HDMI association
View.
It should be noted that in some embodiments, the input information for receive user is described to provide the user with
The HDMI lists of support, select which version used for user, then directly skip the version that user does not have selection in adaptation.
Based on HDMI compatibility method first embodiment of the present invention, implement in HDMI compatibility method the 5th of the present invention
In example, the first version is the external equipment utilization rate highest HDMI version that the display device connected.
In the present embodiment, by toward HDMI successful connections record, obtaining usage frequency highest HDMI version, utilization rate
Highest HDMI version carries out first time trial as the first version.So that hit probability increase, as far as possible first
Complete the connection of HDMI.
In the present embodiment, currently used rate highest version is the versions of HDMI 2.0.So the first version is 2.0
The HDMI of version, first HDMI connections are carried out in connection using HDMI 2.0, make successfully to become maximum probability thing in First Contact Connections
Part.
It should be noted that in some embodiments, the utilization rate is up in whole market HDMI versions occupation rate most
High version, sets when dispatching from the factory for user.
The present invention provides a kind of display device, with reference to Fig. 5, in display device first embodiment of the present invention, the display
Device includes：
Communication module 10, is communicated display device and external equipment for the HDMI agreements using first version；
Whether the first judge module 20, the response for judging the external equipment is correct；
Module 30 is changed, for when the response of the external equipment is incorrect, being replaced by the HDMI agreements of other versions,
Until being engaged with the version of the HDMI agreements of the external equipment, and set up HDMI connections.
By using the HDMI agreements of default multi version, when carrying out HDMI with external equipment and being connected, if using one
The HDMI agreements of version can not be set up with the external equipment and effectively be connected, then be replaced with the HDMI agreements of next version,
Until set up effective HDMI with the external equipment being connected, external equipment is effectively avoided in the HDMI for not supporting redaction
During agreement, and the occurrence of cause the output abnormality of external equipment, so as to by using carrying out judging external equipment automatically
Whether response is correct, matching one by one is carried out using HDMI agreements and the external equipment of default version, to reach without manually
Under the request of participation, complete display device and be connected with the HDMI of external equipment.
Specifically, in this example it is shown that the communication module 10 of device is attempted using the HDMI agreements that version is 2.0
EDID (Extended Display Identification Data) extending display identification data and external equipment are communicated,
Judge that whether the external equipment respond is SCDC (the Status and of HDMI 2.0 by the first judge module 20
Control Data Channel, state and data channel), if it is, being carried out using HDMI 2.0 and the external equipment
HDMI connects；HDMI is carried out if it is not, then changing module 30 and being replaced by the HDMI agreements of other versions and the external equipment
Connection, until the SCDC of external-device response correspondence version, more specifically, when using HDMI 1.4, with the outside
Equipment completes HDMI connections.
Fig. 6 is refer to, based on display device first embodiment of the present invention, in display device second embodiment of the present invention,
The replacing module 30 includes：
First control unit 31, for controlling HDMI external interface power down；
Updating block 32, the version for updating the HTMI agreements communicated with the external equipment is the second edition；
Second control unit 33, for controlling electricity on the HDMI external interfaces；
Performance element 34, is communicated for the HDMI agreements and the external equipment using the second edition, and is opened
Move first judge module 20.
By using control HDMI external interfaces power down and upper electricity, simulation and the external equipment re-start HDMI companies
Connect, it is to avoid the plug operation that user's manual operation is carried out, while improving Consumer's Experience, automation mechanized operation also accelerate for
The external equipment finds the speed of the HDMI of appropriate version.
Specifically, in the present embodiment, whenever the HDMI agreements for changing a version are communicated to the external equipment
Afterwards, when not getting the SCDC for meeting correspondence version, the first control unit 31 pairs HDMI external interfaces carry out power down behaviour
Make, it is currently used HDMI protocol versions that updating block 32 is replaced by the HD MI protocol versions being not attempt to before this, is being fallen
After an electric Preset Time, specifically, for after 1 second, the second control unit 33 is the HDMI external interfaces weight in the present embodiment
New upper electricity, stimulates extraneous interface to carry out HDMI connections again, and performance element 34 starts the first judge module 20 and judged whether
Whether the response of the external equipment is correct.
It should be noted that in some embodiments, the power down is to use and the good signal of the external equipment agreement,
When the signal is sent, described and described external equipment carries out the trial of a HDMI connection.
Fig. 7 is refer to, based on display device first embodiment of the present invention, in display device 3rd embodiment of the present invention,
The replacing module includes：
Module 40 is monitored, for monitoring HDMI external interfaces；
Second judge module 50, for judging whether the read request of external equipment；
Performing module 60, for when there is the read request of the external equipment, starting the communication module 10.
Monitor the HDMI external interfaces of module 40 pairs to be monitored in real time, the second judge module 50 determines whether to read to ask
Ask so that HDMI can be carried out with the external equipment in the very first time and be connected.When there is read request, performing module 60 makes immediately
Attempted with the communication module 10 and the external equipment carries out HDMI connections, improve treatment effeciency, shortening carries out HDMI
The time of connection.
Specifically in the present embodiment when HDMI connections are not carried out, in real time the HDMI external interfaces are detected,
When the read request of external equipment is deposited, attempted using communication module 10 immediately and the external equipment carries out HDMI connections.
It should be noted that in some embodiments, the read request is to use and the good beginning of the external equipment agreement
Connect signal using HDMI, when receive it is described begin to use HDMI connection signals when, the fine definition using first version is more
Media interface protocol HDMI agreements and external equipment are communicated.
Fig. 8 is refer to, based on display device first embodiment of the present invention, in multi-display apparatus fourth embodiment of the present invention
In, the communication module includes：
Judging unit 11, for judging whether user input information；
Communication unit 12, for when there is user input information, using version specified by the user input information
HDMI agreements are communicated display device and external equipment as the HDMI agreements of the first version.
It is use when user knows the HDMI versions of connected external equipment for the user for having abundant HDMI knowledge
Family arranges input mode, and judging unit 11 has already known in user and outside is set by judging whether user input information
On the premise of standby HDMI versions so that user can the desired HDMI versions of manual control selections, accelerate the company of the HDMI
Termination process.
Specifically, in the present embodiment, it is that user is provided with button, user selects or be input into indicated release using button
After HDMI protocol versions, information is received, communication unit 12 and the external equipment are attempted carrying out HDMI communications, then carried out again
Interpretation, further confirms that be input into version is correct, if the external equipment has correct response, carries out HDMI connections.
It should be noted that in some embodiments, the input information is the level signal that user is sent using button,
According to receive the level signal number of times determine use which version HDMI protocol insteads described in first version HDMI association
View.
It should be noted that in some embodiments, the input information for receive user is described to provide the user with
The HDMI lists of support, select which version used for user, then directly skip the version that user does not have selection in adaptation.
Based on display device first embodiment of the present invention, in the embodiment of display device of the present invention 5th, the first edition
This external equipment utilization rate highest HDMI version connected for the display device.
In the present embodiment, recorded by conventional HDMI successful connections, obtain utilization rate highest HDM I versions, used
Rate highest HDMI version carries out first time trial as the first version.So that hit probability increase, as far as possible the
One connection for completing HDMI.
In the present embodiment, currently used rate highest version is the versions of HDMI 2.0.So the first version is 2.0
The HDMI of version, first HDMI connections are carried out in connection using HDMI 2.0, make successfully to become maximum probability thing in First Contact Connections
Part.
It should be noted that in some embodiments, the utilization rate is up in whole market HDMI versions occupation rate most
High version, sets when dispatching from the factory for user.
The preferred embodiments of the present invention are these are only, the scope of the claims of the present invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of HDMI compatibility method, it is characterised in that the HDMI compatibility method is comprised the following steps：
Display device and external equipment are communicated using the HDMI agreement HDMI agreement of first version；
Judge whether the response of the external equipment is correct；
When the response of the external equipment is incorrect, be replaced by the HDMI agreements of other versions, until with the external equipment
The version of HDMI agreements be engaged, and set up HDMI connections.
2. HDMI compatibility method as claimed in claim 1, it is characterised in that the response when the external equipment is not
When correct, the HDMI agreements of other versions are replaced by, until being engaged with the version of the HDMI agreements of the external equipment, and are built
Vertical HDMI connections include：
Control HDMI external interface power down；
The version for updating the HTMI agreements communicated with the external equipment is the second edition；
Control electricity on the HDMI external interfaces；
Communicated using the HDMI agreements and the external equipment of the second edition, and performed the judgement outside and set
The whether correct step of standby response.
3. HDMI compatibility method as claimed in claim 1, it is characterised in that assist in the HDMI of the use first version
Before view is communicated display device and external equipment, the HDMI compatibility method also includes：
Monitor HDMI external interfaces；
Judge whether the read request of external equipment；
When there is the read request of the external equipment, the HDMI agreements of the use first version are performed by display device and outer
Portion's equipment carries out communication steps.
4. the HDMI compatibility method as described in any one of claims 1 to 3, it is characterised in that the use first version
HDMI agreement HDMI agreement display device and external equipment carried out into communication include：
Judge whether user input information；
When there is user input information, using the HDMI agreements of version specified by the user input information as described first
The HDMI agreements of version are communicated display device and external equipment.
5. the HDMI compatibility method as described in any one of claims 1 to 3, it is characterised in that the first version is institute
State the external equipment utilization rate highest HDMI version that display device connected.
6. a kind of display device, it is characterised in that the display device includes：
Communication module, is communicated display device and external equipment for the HDMI agreements using first version；
Whether the first judge module, the response for judging the external equipment is correct；
Module is changed, for when the response of the external equipment is incorrect, being replaced by the HDMI agreements of other versions, until with
The version of the HDMI agreements of the external equipment is engaged, and sets up HDMI connections.
7. display device as claimed in claim 6, it is characterised in that the replacing module includes：
First control unit, for controlling HDMI external interface power down；
Updating block, the version for updating the HTMI agreements communicated with the external equipment is the second edition；
Second control unit, for controlling electricity on the HDMI external interfaces；
Performance element, is communicated for the HDMI agreements and the external equipment using the second edition, and is started described
First judge module.
8. display device as claimed in claim 6, it is characterised in that the display device also includes：
Module is monitored, for monitoring HDMI external interfaces；
Second judge module, for judging whether the read request of external equipment；
Performing module, for when there is the read request of the external equipment, starting the communication module.
9. the display device as described in any one of claim 6 to 8, it is characterised in that the communication module includes：
Judging unit, for judging whether user input information；
Communication unit, for when there is user input information, being assisted using the HDMI of version specified by the user input information
View is communicated display device and external equipment as the HDMI agreements of the first version.
10. the display device as described in any one of claim 6 to 8, it is characterised in that the first version sets for the display
The standby external equipment utilization rate highest HDMI version for connecting.
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| CN201611222709.1A CN106604121A (en) | 2016-12-26 | 2016-12-26 | HDMI compatible method and display apparatus |
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| CN201611222709.1A CN106604121A (en) | 2016-12-26 | 2016-12-26 | HDMI compatible method and display apparatus |
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| CN108391170A (en) * | 2018-02-09 | 2018-08-10 | 深圳创维－Rgb电子有限公司 | Switch method, apparatus, television set and the storage medium of EDID files |
| CN109981522A (en) * | 2017-12-27 | 2019-07-05 | 深圳市优必选科技有限公司 | The compatibility method and device of communication protocol |
| CN114286143A (en) * | 2021-01-14 | 2022-04-05 | 海信视像科技股份有限公司 | Display device and automatic switching method of transmission protocol |
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| CN105635802A (en) * | 2015-12-31 | 2016-06-01 | 浙江大华技术股份有限公司 | Transmission method of digital media data and device |
| CN105828012A (en) * | 2016-03-31 | 2016-08-03 | 乐视控股（北京）有限公司 | HDMI automatic configuration method, and correlation apparatus |
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Application publication date: 20170426 |