US 12,189,684 B2
Methods and apparatus to perform audio watermarking and watermark detection and extraction
Venugopal Srinivasan, Palm Harbor, FL (US); and Alexander Topchy, New Port Richey, FL (US)
Assigned to The Nielsen Company (US), LLC, New York, NY (US)
Filed by The Nielsen Company (US), LLC, New York, NY (US)
Filed on Oct. 11, 2023, as Appl. No. 18/484,792.
Application 18/484,792 is a continuation of application No. 17/676,461, filed on Feb. 21, 2022, granted, now 11,809,489.
Application 17/676,461 is a continuation of application No. 16/672,128, filed on Nov. 1, 2019, granted, now 11,256,740, issued on Feb. 22, 2022.
Application 16/672,128 is a continuation of application No. 15/698,373, filed on Sep. 7, 2017, granted, now 10,467,286, issued on Nov. 5, 2019.
Application 15/698,373 is a continuation of application No. 13/708,578, filed on Dec. 7, 2012, abandoned.
Application 13/708,578 is a continuation of application No. 12/551,220, filed on Aug. 31, 2009, granted, now 8,359,205, issued on Jan. 22, 2013.
Claims priority of provisional application 61/174,708, filed on May 1, 2009.
Claims priority of provisional application 61/108,380, filed on Oct. 24, 2008.
Prior Publication US 2024/0152552 A1, May 9, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G10L 19/018 (2013.01); G06F 16/683 (2019.01); G11B 20/10 (2006.01); H04H 20/31 (2008.01); H04H 60/37 (2008.01); H04H 60/58 (2008.01)
CPC G06F 16/683 (2019.01) [G11B 20/10 (2013.01); H04H 20/31 (2013.01); H04H 60/37 (2013.01); H04H 60/58 (2013.01); H04H 2201/50 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A computing system comprising a processor and a memory, the computing system configured to perform a set of acts comprising:
obtaining a first sequence of samples of an audio signal;
obtaining a second sequence of samples of the audio signal;
averaging samples of the first sequence of samples with respective samples of the second sequence of samples to generate an average sequence of samples;
extracting an identifier from the average sequence of samples; and
storing the identifier.