METHOD AND APPARATUS FOR PROVIDING USER INPUT BACK CHANNEL IN AUDIO/VIDEO SYSTEM
First Claim
1. A method of communicating with an audio/video (AV) source device, wherein the method is performed by an AV sink device, the method comprising:
- setting up, by the AV sink device, an AV control session and an AV data session with the AV source device according to a wireless fidelity (Wi-Fi) display (WFD) standard;
enabling a user input back channel (UIBC) to the AV source device, by using the AV control session; and
transmitting a user input to the AV source device through the UIBC.
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Accused Products
Abstract
A method and apparatus for providing a user input back channel (UIBC) in an audio/video (AV) source device and an AV sink device communicating according to a wireless fidelity (Wi-Fi) display (WFD) standard is provided. The method includes: setting up an AV control session and an AV data session between the AV source devices according to the WFD standards; enabling the UIBC from the AV sink device to the AV source device by using the AV control session; and transmitting a user input from the AV sink device to the AV source device through the UIBC.
123 Citations
50 Claims
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1. A method of communicating with an audio/video (AV) source device, wherein the method is performed by an AV sink device, the method comprising:
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setting up, by the AV sink device, an AV control session and an AV data session with the AV source device according to a wireless fidelity (Wi-Fi) display (WFD) standard; enabling a user input back channel (UIBC) to the AV source device, by using the AV control session; and transmitting a user input to the AV source device through the UIBC. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of communicating with an audio/video (AV) sink device, wherein the method is performed by an AV source device, the method comprising:
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setting up, by the AV source device, an AV control session and an AV data session with the AV sink device according to a wireless fidelity (Wi-Fi) display (WFD) standard; enabling a user input back channel (UIBC) from the AV sink device, by using the AV control session; and receiving a user input from the AV sink device through the UIBC. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. An audio/video (AV) sink device communicating with an AV source device, the AV sink device comprising:
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a controller which sets up an AV control session and an AV data session with the AV source device according to a wireless fidelity (Wi-Fi) display (WFD) standard, and enables a user input back channel (UIBC) to the AV source device by using the AV control session; and a communicator which transmits a user input to the AV source device through the UIBC. - View Dependent Claims (28, 29, 30)
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31. An audio/video (AV) source device communicating with an AV sink device, the AV source device comprising:
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a controller which sets up an AV control session and an AV data session with the AV sink device according to a wireless fidelity (Wi-Fi) display (WFD) standard, and enables a user input back channel (UIBC) from the AV sink device by using the AV control session; and a communicator which receives a user input from the AV sink device through the UIBC. - View Dependent Claims (32, 33, 34)
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35. A communication system comprising:
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an audio/video (AV) source device which transmits AV data; and an AV sink device which receives AV data, wherein the AV source device sets up an AV control session and an AV data session with the AV sink device, according to a wireless fidelity (Wi-Fi) display (WFD) standard, and enables a user input back channel (UIBC) from the AV sink device by using the AV control session, and the AV sink device transmits a user input to the AV source device through the UIBC.
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36. A computer readable recording medium having embodied thereon instructions, that when executed by a computer, causes the computer to perform a method of communicating with an audio/video (AV) source device, wherein the method is performed by an AV sink device, the method comprising:
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setting up, by the AV sink device, an AV control session and an AV data session with the AV source device according to a wireless fidelity (Wi-Fi) display (WFD) standard; enabling a user input back channel (UIBC) to the AV source device, by using the AV control session; and transmitting a user input to the AV source device through the UIBC.
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37. A computer readable recording medium having embodied thereon instructions that, when executed by a computer, causes the computer to perform a method of communicating with an audio/video (AV) sink device, wherein the method is performed by an AV source device, the method comprising:
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setting up, by the AV source device, an AV control session and an AV data session with the AV sink device according to a wireless fidelity (Wi-Fi) display (WFD) standard; enabling a user input back channel (UIBC) from the AV sink device, by using the AV control session; and receiving a user input from the AV sink device through the UIBC.
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38. A method of providing a user input back channel (UIBC) in an AV source device and an AV sink device, the method comprising:
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transmitting, by the source device, a query related to UIBC capabilities of the AV sink device to the AV sink device; receiving, by the AV source device, a response related to the UIBC capabilities of the AV sink device, transmitting, to the AV sink device, a request to enable a desired UIBC, and enabling the desired UIBC from the AV sink device. - View Dependent Claims (39, 40, 41)
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42. A method of providing a user input back channel (UIBC) in an AV source device and an AV sink device, the method comprising:
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receiving, at the AV sink device, a query related to UIBC capabilities of the AV sink device from the AV source device; transmitting, by the AV sink device, a response related to the UIBC capabilities to the AV source device, receiving, a request to enable a desired UIBC, and enabling the desired UIBC to the AV source device. - View Dependent Claims (43, 44)
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45. An audio/video (AV) source device comprising:
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a controller which sets up an AV control session and an AV data session with an AV sink device according to a wireless fidelity (Wi-Fi) display (WFD) standard, and a communicator which receives a user input from the AV sink device through a user input back channel (UIBC), wherein the UIBC from the AV sink device is enabled using the AV control session. - View Dependent Claims (46, 47)
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48. An audio/video (AV) sink device comprising:
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a controller which sets up an AV control session and an AV data session with an AV source device according to a wireless fidelity (Wi-Fi) display (WFD) standard, and a communicator which transmits a user input to the AV source device through a user input back channel (UIBC), wherein the UIBC to the AV source device is enabled using the AV control session. - View Dependent Claims (49, 50)
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Specification