Inventor
SRINIVASAN VENUGOPAL
US196 patents
⚠️ This page may combine multiple inventors who share the name “SRINIVASAN VENUGOPAL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIELSEN CO US LLC
19 patentsUS8369972B2Feb 5, 2013
Methods and apparatus to perform audio watermarking and watermark detection and extraction
NIELSEN CO US LLC80 citations99
US10318580B2Jun 11, 2019
Detecting media watermarks in magnetic field data
NIELSEN CO US LLC33 citations98
US8359205B2Jan 22, 2013
Methods and apparatus to perform audio watermarking and watermark detection and extraction
NIELSEN CO US LLC57 citations98
US8351645B2Jan 8, 2013
Methods and apparatus for embedding watermarks
NIELSEN CO US LLC37 citations98
US7783889B2Aug 24, 2010
Methods and apparatus for generating signatures
NIELSEN CO US LLC72 citations98
US7609853B2Oct 27, 2009
Detecting a composition of an audience
NIELSEN CO US LLC72 citations98
US7672843B2Mar 2, 2010
Audio signature extraction and correlation
NIELSEN CO US LLC55 citations96
US9668020B2May 30, 2017
Signature retrieval and matching for media monitoring
NIELSEN CO US LLC28 citations93
US7853124B2Dec 14, 2010
Data insertion apparatus and methods for use with compressed audio/video data
NIELSEN CO US LLC27 citations93
US7752042B2Jul 6, 2010
Methods and apparatus to operate an audience metering device with voice commands
NIELSEN CO US LLC37 citations93
US7643652B2Jan 5, 2010
Method and apparatus for embedding watermarks
NIELSEN CO US LLC19 citations93
US9473795B2Oct 18, 2016
Methods and apparatus for crediting a media presentation device
NIELSEN CO US LLC16 citations92
US7742737B2Jun 22, 2010
Methods and apparatus for identifying a digital audio signal
NIELSEN CO US LLC26 citations92
US7631324B2Dec 8, 2009
Methods and apparatus for indirect illumination in electronic media rating systems
NIELSEN CO US LLC46 citations92
US11716507B2Aug 1, 2023
Methods and apparatus of media device detection for minimally invasive media meters
NIELSEN CO US LLC4 citations86
US11245960B2Feb 8, 2022
Methods and apparatus of media device detection for minimally invasive media meters
NIELSEN CO US LLC6 citations86
US11197060B2Dec 7, 2021
Methods and apparatus to count people in an audience
NIELSEN CO US LLC4 citations84
US10902542B2Jan 26, 2021
Detecting watermark modifications
NIELSEN CO US LLC4 citations84
US10810440B2Oct 20, 2020
Methods and apparatus to count people in images
NIELSEN CO US LLC6 citations84
NIELSEN MEDIA RES INC
11 patentsUS7006555B1Feb 28, 2006
Spectral audio encoding
NIELSEN MEDIA RES INC165 citations99
US6968564B1Nov 22, 2005
Multi-band spectral audio encoding
NIELSEN MEDIA RES INC183 citations99
US6621881B2Sep 16, 2003
Broadcast encoding system and method
NIELSEN MEDIA RES INC124 citations99
US6272176B1Aug 7, 2001
Broadcast encoding system and method
NIELSEN MEDIA RES INC404 citations99
US7460684B2Dec 2, 2008
Method and apparatus for embedding watermarks
NIELSEN MEDIA RES INC74 citations98
US7203338B2Apr 10, 2007
Methods and apparatus to count people appearing in an image
NIELSEN MEDIA RES INC112 citations98
US7100181B2Aug 29, 2006
Television proximity sensor
NIELSEN MEDIA RES INC72 citations97
US6879652B1Apr 12, 2005
Method for encoding an input signal
NIELSEN MEDIA RES INC58 citations96
US6504870B2Jan 7, 2003
Broadcast encoding system and method
NIELSEN MEDIA RES INC39 citations96
US7353171B2Apr 1, 2008
Methods and apparatus to operate an audience metering device with voice commands
NIELSEN MEDIA RES INC18 citations93
US7343615B2Mar 11, 2008
Television proximity sensor
NIELSEN MEDIA RES INC26 citations92
SRINIVASAN VENUGOPAL
10 patentsUS9368123B2Jun 14, 2016
Methods and apparatus to perform audio watermark detection and extraction
SRINIVASAN VENUGOPAL24 citations94
US9124769B2Sep 1, 2015
Methods and apparatus to verify presentation of media content
SRINIVASAN VENUGOPAL19 citations93
US8457951B2Jun 4, 2013
Methods and apparatus for performing variable black length watermarking of media
SRINIVASAN VENUGOPAL17 citations93
US8085975B2Dec 27, 2011
Methods and apparatus for embedding watermarks
SRINIVASAN VENUGOPAL12 citations93
US8078301B2Dec 13, 2011
Methods and apparatus for embedding codes in compressed audio data streams
SRINIVASAN VENUGOPAL18 citations93
US9092675B2Jul 28, 2015
Methods and apparatus to count people in images
SRINIVASAN VENUGOPAL11 citations92
US8761442B2Jun 24, 2014
Methods and apparatus to count people in images
SRINIVASAN VENUGOPAL18 citations92
US8660307B2Feb 25, 2014
Methods and apparatus to count people in images
SRINIVASAN VENUGOPAL25 citations92
US8508357B2Aug 13, 2013
Methods and apparatus to encode and decode audio for shopper location and advertisement presentation tracking
SRINIVASAN VENUGOPAL22 citations92
US8121830B2Feb 21, 2012
Methods and apparatus to extract data encoded in media content
SRINIVASAN VENUGOPAL23 citations92
MEARS PAUL M
2 patentsNEW YORK INST TECHN
1 patentHARKNESS DAVID HENRY
1 patentNIELSEN COMPANY U S L L C
1 patentSOUNDARARAJAN PADMANABHAN
1 patentRAMASWAMY ARUN
1 patentTOPCHY ALEXANDER
1 patentTOPCHY ALEXANDER PAVLOVICH
1 patentNIELSEN MEDIA RES INC A DELAWA
1 patentShowing the top 50 of 196 patents by PatentIndex Score.