Signal processing of audio and video data, including deriving identifying information
First Claim
1. A method comprising:
- upon encountering audio or video content, attempting to detect a digital watermark hidden therein with a processor of a computing device;
if the digital watermark is not obtained from the encountered audio or video content, modifying the encountered audio or video content; and
attempting to detect the digital watermark from the modified audio or video content.
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0 Petitions
Accused Products
Abstract
The present invention relates generally to signal processing of media content, e.g., audio or video content. One form of signal processing derives identifying information from media content. One claim recites a method including: upon encountering audio or video content, and using a programmed electronic processor, attempting to derive identifying information from data representing the encountered audio or video content; if a digital watermark is not obtained from the data representing the encountered audio or video content, modifying the encountered audio or video content; and then attempting to attempting to derive identifying information from data representing the modified audio or video content. Of course, other claims are provided too.
184 Citations
16 Claims
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1. A method comprising:
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upon encountering audio or video content, attempting to detect a digital watermark hidden therein with a processor of a computing device; if the digital watermark is not obtained from the encountered audio or video content, modifying the encountered audio or video content; and attempting to detect the digital watermark from the modified audio or video content. - View Dependent Claims (2, 3)
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4. A tangible computer readable medium having instructions stored thereon, the instructions comprising:
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instructions to attempt to detect a digital watermark hidden within encountered audio or video content; instructions to modify the encountered audio or video content if the digital watermark is not obtained from the encountered audio or video content; and instructions to attempt to detect the digital watermark from the modified audio or video content. - View Dependent Claims (13, 14)
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5. A device comprising:
a processor configured to; attempt to detect a digital watermark hidden within encountered audio or video content; modify the encountered audio or video content if the digital watermark is not obtained from the encountered audio or video content; and attempt to detect the digital watermark from the modified audio or video content.
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6. A method comprising:
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upon encountering audio or video content, attempting to derive identifying information from data representing the encountered audio or video content with a processor of a computing device; if a digital watermark is not obtained from the data representing the encountered audio or video content, modifying the encountered audio or video content; and attempting to derive the identifying information from data representing the modified audio or video content. - View Dependent Claims (7, 8, 11, 12)
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9. A tangible computer readable medium having instructions stored thereon, the instructions comprising:
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instructions to attempt to derive identifying information from data representing encountered audio or video content; instructions to modify the encountered audio or video content if a digital watermark is not obtained from the data representing the encountered audio or video content; and instructions to attempt to derive the identifying information from data representing the modified audio or video content.
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10. A device comprising:
a processor configured to; attempt to derive identifying information from data representing encountered audio or video content; modify the encountered audio or video content if a digital watermark is not obtained from the data representing the encountered audio or video content; and attempt to derive the identifying information from data representing the modified audio or video content. - View Dependent Claims (15, 16)
Specification