US7181022B2 - Audio watermarking to convey auxiliary information, and media embodying
same - Google Patents US7181022B2 - Audio watermarking to convey auxiliary information, and …

(54) METHODS FOR AUDIO WATERMARKING 4,495,620 A 1/1985 Steele et 81. AND
DECODING 4,528,588 A 7/1985 Lofberg 4,672,605 A 6/1987 Hustig et al.(75) Inventor …

The present invention related generally to audio encoding and decoding. Various
arrangements are disclosed. One method obtains audio, Wherein authorized or original …

US9093064B2 - Down-mixing compensation for audio watermarking - Google Patents
US9093064B2 - Down-mixing compensation for audio watermarking - Google Patents Down-mixing …

Methods of processing audio to convey auxiliary control information therein without audible
evidence of data alteration. Various arrangements are disclosed. One receives plural bit …

The present invention relates generally to digital watermarking and steganographic
embedding and decoding. One claim recites a method of decoding auxiliary data that has …

US8355910B2 - Methods and apparatus for audio watermarking a substantially silent
media content presentation - Google Patents US8355910B2 - Methods and apparatus for …

The present claims relate generally to Steganographically encoding and decoding of audio
signals. One claim recites a method of embedding auxiliary information in data repre senting …

The present invention relates generally to signal processing of media content, eg, audio or
video content. One form of signal processing derives identifying information from media …

Audio watermark encoding methods employ reversing polar ity and pairwise embedding. A
watermark signal is generated, mapped to pairs of embedding locations and inserted in the …