Method for setting mute flags to improve compatibilities and the high definition multimedia interface system using the same method
First Claim
1. An HDMI system comprising a source device having a sender which sends at least one of video data, audio data and auxiliary data, cables passing the vide data, audio data and auxiliary data from the source device and a sink device having a receiver which receives the data from the source device, said audio data and auxiliary data being contained in GCP (General Control Packet) comprising:
- a packet header indicating the packet type; and
a subpacket comprising at least one of single mute flags of audio mute flag and video mute flag and complex mute flag.
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Abstract
The present invention relates to an HDMI (High Definition Multimedia Interface) system, and more particularly, to a method for setting mute flag in connection with transmission of audio data and auxiliary data transmitted through HDMI system, and an HDMI system using the same method.
29 Citations
12 Claims
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1. An HDMI system comprising a source device having a sender which sends at least one of video data, audio data and auxiliary data, cables passing the vide data, audio data and auxiliary data from the source device and a sink device having a receiver which receives the data from the source device, said audio data and auxiliary data being contained in GCP (General Control Packet) comprising:
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a packet header indicating the packet type; and a subpacket comprising at least one of single mute flags of audio mute flag and video mute flag and complex mute flag. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A mute flag controlling method in an HDMI system comprising a source device having a sender which sends at least one of video data, audio data and auxiliary data, cables passing the vide data, audio data and auxiliary data from the source device and a sink device having a receiver which receives the data from the source device, said audio data and auxiliary data being contained in GCP (General Control Packet) comprising the steps of:
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requesting change of setting value in the source device; setting at least one of the audio mute setting flag and video mute setting flag in the source device; transmitting the set mute flag from the source device to the sink device; muting one of the audio signal or the video signal while playing the other; completing the request of changing setting value; setting mute clearing flag of one of the set mute flag; transmitting the set mute flag from the source device to the sink device; and releasing the mute of the audio signal or the video signal. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification