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 …

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 …

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 …

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 …

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 …

Multi-talker speech recognizer

J Droppo, X Huang, D Yu - US Patent 10,460,727, 2019 - Google Patents
Various systems and methods for multi-talker speech separation and recognition are
disclosed herein. In one example, a system includes a memory and a processor to process …

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 …

Method and an apparatus for processing an audio signal

HO Oh, CH Lee, J Song, YW Jung, HG Kang - US Patent 8,972,270, 2015 - Google Patents
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 …

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 …

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 …