Method and system for secure and efficient wireless transmission of HDCP-encrypted HDMI/DVI signals
First Claim
1. A method for enabling secure and efficient wireless transmission of high definition (HD) content, comprising:
- (a) receiving encoded, encrypted HD content;
(b) decoding said received HD content;
(c) reducing a number of bits required to represent said HD content;
(d) formatting said bit reduced HD content for wireless transmission;
(e) transmitting said formatted HD content;
(f) receiving and de-formatting said transmitted HD content; and
(g) encoding said HD content.
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Accused Products
Abstract
The present invention is directed to methods and systems for enabling secure and efficient wireless transmission of HDCP-encrypted high definition (HD) signals. In one aspect, the present invention provides methods and systems for reducing the data rate required to convey HD content to enable direct wireless transmission of HD content. In another aspect, the present invention provides methods and systems for reducing the data rate required to convey HD content that are compatible with HDCP encryption of content. In a further aspect, the present invention provides methods and systems for reducing the data rate required to convey HD content while maintaining a high quality of content.
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Citations
41 Claims
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1. A method for enabling secure and efficient wireless transmission of high definition (HD) content, comprising:
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(a) receiving encoded, encrypted HD content; (b) decoding said received HD content; (c) reducing a number of bits required to represent said HD content; (d) formatting said bit reduced HD content for wireless transmission; (e) transmitting said formatted HD content; (f) receiving and de-formatting said transmitted HD content; and (g) encoding said HD content. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A method for enabling secure and efficient wireless transmission of high definition (HD) content, comprising:
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reducing a number of bits required to represent HD content; applying unequal error protection (UEP) to said bit reduced HD content; wherein said UEP biases error protection overhead in favor of selected portions of said HD content. - View Dependent Claims (30, 31, 32, 33, 34)
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35. A method for enabling secure and efficient wireless transmission of high definition (HD) content, comprising:
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receiving encrypted HD content; reducing a number of bits required to represent said HD content; transmitting said bit reduced encrypted HD content over a wireless link, wherein said reducing step operates without decrypting said encrypted HD content. - View Dependent Claims (36, 37)
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38. A method for enabling secure and efficient wireless transmission of high definition (HD) content, comprising:
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receiving encrypted HD content; formatting said encrypted HD content for wireless transmission; transmitting said formatted HD content over a wireless link; receiving and de-formatting said transmitted HD content; decrypting said HD content; and performing HD signal restoration on said HD content. - View Dependent Claims (39, 40)
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41. A method for enabling secure and efficient wireless transmission of high definition (HD) content, comprising:
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receiving HD content; reducing a number of bits required to represent said HD content; applying unequal error protection (UEP) to said HD content; formatting said HD content for wireless transmission; transmitting said formatted HD content over a wireless link; and receiving and de-formatting said transmitted HD content.
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Specification