Invention Grant
US08355514B2 Audio encoding to convey auxiliary information, and media embodying same
有权
传输辅助信息的音频编码和体现媒体的媒体
- Patent Title: Audio encoding to convey auxiliary information, and media embodying same
- Patent Title (中): 传输辅助信息的音频编码和体现媒体的媒体
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Application No.: US11925261Application Date: 2007-10-26
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Publication No.: US08355514B2Publication Date: 2013-01-15
- Inventor: Geoffrey B. Rhoads
- Applicant: Geoffrey B. Rhoads
- Applicant Address: US OR Beaverton
- Assignee: Digimarc Corporation
- Current Assignee: Digimarc Corporation
- Current Assignee Address: US OR Beaverton
- Main IPC: H04R3/02
- IPC: H04R3/02
Abstract:
Methods of processing audio to convey auxiliary information hidden therein are provided. Various arrangements are disclosed. One alters data representing audio to include a sequence of bits of auxiliary information. The altering is based on a carrier signal and corresponding to the sequence of bits, and is based on a perceptibility threshold that varies within the data representing audio. Other arrangements are provided as well.
Public/Granted literature
- US20080131083A1 Audio Encoding to Convey Auxiliary Information, and Media Embodying Same Public/Granted day:2008-06-05
Information query
