Methods and apparatus to perform audio watermarking and watermark detection and extraction
AP Topchy, A Ramaswamy, V Srinivasan - US Patent 8,369,972, 2013 - Google Patents
Encoding and decoding methods and apparatus as described. In one example, a method of
embedding auxiliary informa tion into an audio signal includes sampling the audio signal to …
embedding auxiliary informa tion into an audio signal includes sampling the audio signal to …
Methods and apparatus for generating signatures
A Topchy, V Srinivasan - US Patent 8,458,737, 2013 - Google Patents
US8458737B2 - Methods and apparatus for generating signatures - Google Patents
US8458737B2 - Methods and apparatus for generating signatures - Google Patents Methods …
US8458737B2 - Methods and apparatus for generating signatures - Google Patents Methods …
Methods and apparatus for generating signatures
AP Topchy, A Ramaswamy, V Srinivasan - US Patent 8,600,531, 2013 - Google Patents
Signaturing methods and apparatus as described. In one example, a signaturing method
includes capturing an audio signal, applying a first window function to a portion of the …
includes capturing an audio signal, applying a first window function to a portion of the …
Methods and apparatus for performing variable black length watermarking of media
V Srinivasan, A Topchy - US Patent 8,457,951, 2013 - Google Patents
4,703,476 A 10, 1987 Howard 2002/O126872 A1 9, 2002 Brunk et al. 4,739,398 A 4, 1988
Thomas et al. 2003, 000543.0 A1 1/2003 Kolessar 4,783,660 A 1 1/1988 Pierce …
Thomas et al. 2003, 000543.0 A1 1/2003 Kolessar 4,783,660 A 1 1/1988 Pierce …
Audio processing with time advanced inserted payload signal
WEC Kentish, NJ Haynes - US Patent 8,041,058, 2011 - Google Patents
Audio processing apparatus in which a payload signal is inserted into a primary audio signal
comprises a noise gen erator operable to generate a noise signal in dependence on the …
comprises a noise gen erator operable to generate a noise signal in dependence on the …
Down-mixing compensation for audio watermarking
V Srinivasan, A Topchy - US Patent 9,093,064, 2015 - Google Patents
US9093064B2 - Down-mixing compensation for audio watermarking - Google Patents
US9093064B2 - Down-mixing compensation for audio watermarking - Google Patents Down-mixing …
US9093064B2 - Down-mixing compensation for audio watermarking - Google Patents Down-mixing …
Method and an apparatus for processing an audio signal
Accordingly, the present invention is directed to a method for processing an audio signal
and apparatus that Substan tially obviate one or more problems due to limitations and …
and apparatus that Substan tially obviate one or more problems due to limitations and …
Methods and apparatus for performing variable block length watermarking of media
V Srinivasan, A Topchy - US Patent 9,947,327, 2018 - Google Patents
Methods and apparatus for performing variable block length watermarking of media are
disclosed. An example method to encode auxiliary data in audio data comprises selecting a …
disclosed. An example method to encode auxiliary data in audio data comprises selecting a …
Blind watermarking of audio signals by using phase modifications
W Voessing, PG Baum - US Patent 8,081,757, 2011 - Google Patents
Watermarking of audio signals intends to manipulate the audio signal in a way that the
changes in the audio content cannot be recognised by the human auditory system. In order …
changes in the audio content cannot be recognised by the human auditory system. In order …