Inventor

VENUGOPAL SRINIVASAN

Inventor

US

Overview

2021–2026

Patent span

Physics

Primary field (CPC G)

Patents· 50 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Nprimary

H04NPictorial communication, e.g. television23%

H04HBroadcast communication22%

G10LSpeech analysis techniques or speech synthesis14%

G06FElectric digital data processing11%

G11BInformation storage based on relative movement between record carrier and transducer7%

G06VImage or video recognition or understanding6%

G06TImage data processing or generation, in general3%

G01BMeasuring length, thickness or similar linear dimensions1%

G01CMeasuring distances, levels or bearings1%

G02BOptical elements, systems or apparatus1%

PatentTitleYear

12,598,349Signature retrieval and matching for media monitoring2026 12,526,489Scalable architectures for reference signature matching and updating2026 12,505,848Audio watermarking for people monitoring2025 12,445,679Methods and apparatus to verify presentation of media content2025 12,437,769Methods and apparatus to perform audio watermarking and watermark detection and extraction2025 12,323,657Methods and apparatus to count people in an audience2025 12,250,434Methods and apparatus to present supplemental media on a second screen2025 12,190,911Methods and apparatus to perform speed-enhanced playback of recorded media2025 12,189,684Methods and apparatus to perform audio watermarking and watermark detection and extraction2025 12,160,624Reducing signature matching uncertainty in media monitoring systems2024 12,132,958Methods and apparatus to count people in an audience2024 12,088,875Signature retrieval and matching for media monitoring2024 12,075,117Methods and apparatus of media device detection for minimally invasive media meters2024 12,058,422Scalable architectures for reference signature matching and updating2024 12,002,478Methods and apparatus to perform audio watermarking and watermark detection and extraction2024 11,961,527Methods and apparatus to perform audio watermarking and watermark detection and extraction2024 11,956,486Methods and apparatus for crediting a media presentation device2024 11,948,588Methods, apparatus and articles of manufacture to provide secondary content in association with primary broadcast media content2024 11,942,099Audio watermarking for people monitoring2024 11,869,542Methods and apparatus to perform speed-enhanced playback of recorded media2024 11,863,294Methods and apparatus for increasing the robustness of media signatures2024 11,809,489Methods and apparatus to perform audio watermarking and watermark detection and extraction2023 11,778,268Methods and apparatus to verify presentation of media content2023 11,755,642Detecting media watermarks in magnetic field data2023 11,716,507Methods and apparatus of media device detection for minimally invasive media meters2023 11,715,171Detecting watermark modifications2023 11,711,576Methods and apparatus to count people in an audience2023 11,678,013Methods and apparatus to determine a state of a media presentation device2023 11,574,643Methods and apparatus for audio signature generation and matching2023 11,570,495Methods and apparatus for crediting a media presentation device2023 11,562,752Methods and apparatus to perform audio watermarking and watermark detection and extraction2023 11,557,304Methods and apparatus for performing variable block length watermarking of media2023 11,558,665Methods and apparatus to count people2023 11,544,321Scalable architectures for reference signature matching and updating2023 11,533,535Signature retrieval and matching for media monitoring2022 11,527,070Methods and apparatus to count people in images2022 11,516,609Methods and apparatus for analyzing microphone placement for watermark and signature recovery2022 11,477,501Reducing signature matching uncertainty in media monitoring systems2022 11,423,079Detecting media watermarks in magnetic field data2022 11,386,908Methods and apparatus to perform audio watermarking and watermark detection and extraction2022 11,363,335Methods and apparatus to determine a state of a media presentation device2022 11,316,603Methods and apparatus for increasing the robustness of media signatures2022 11,303,960Methods and apparatus to count people2022 11,270,735Methods and apparatus to perform speed-enhanced playback of recorded media2022 11,256,740Methods and apparatus to perform audio watermarking and watermark detection and extraction2022 11,250,865Audio watermarking for people monitoring2022 11,245,960Methods and apparatus of media device detection for minimally invasive media meters2022 11,223,861Methods and apparatus for crediting a media presentation device2022 11,223,858Digital data insertion apparatus and methods for use with compressed audio/video data2022 11,197,060Methods and apparatus to count people in an audience2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2026Patents assigned to NIELSEN CO US LLC (49)· patent assignee history

2021–2026Based in US· patent location history

2026Patents assigned to THE NIELSEN COMPANY US LLC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIELSEN CO US LLC	49	2021–2026
THE NIELSEN COMPANY US LLC	1	2026

Locations

Location	Patents	Span
US	50	2021–2026