Inventor

TOPCHY ALEXANDER

US108 patents

⚠️ This page may combine multiple inventors who share the name “TOPCHY ALEXANDER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOPCHY ALEXANDER

NIELSEN CO US LLC

Detecting media watermarks in magnetic field data

Methods and apparatus to perform audio watermarking and watermark detection and extraction

Methods and apparatus to identify a mood of media

Methods and apparatus to extend a timestamp range supported by a watermark

Methods and apparatus to extend a timestamp range supported by a watermark

Methods, systems and apparatus for multi-purpose metering

Methods and apparatus of media device detection for minimally invasive media meters

Methods and apparatus of media device detection for minimally invasive media meters

Methods and apparatus to count people in an audience

Methods and apparatus to extend a timestamp range supported by a watermark

Methods and apparatus to extend a timestamp range supported by a watermark

Methods and apparatus of media device detection for minimally invasive media meters

Apparatus and methods for watermarking using starting phase modulation

Media identification using watermarks and signatures

Methods and apparatus to count people in an audience

Methods and apparatus to perform audio watermarking and watermark detection and extraction

Methods and apparatus for performing variable block length watermarking of media

Methods and apparatus to count people in an audience

Methods and apparatus for generating signatures

Methods and apparatus for characterizing media

Systems, apparatus, and methods to improve watermark detection in acoustic environments

Methods and apparatus of media device detection for minimally invasive media meters

Systems, apparatus, and methods to improve watermark detection in acoustic environments

Methods and apparatus to count people in an audience

Systems, apparatus, and methods to improve watermark detection in acoustic environments

Methods and apparatus for performing variable block length watermarking of media

Methods and apparatus to extend a timestamp range supported by a watermark

Methods and apparatus to extend a timestamp range supported by a watermark

Detecting media watermarks in magnetic field data

Apparatus and methods for watermarking using starting phase modulation

Methods and apparatus to identify a mood of media

Methods and apparatus for increasing the robustness of media signatures

Media identification using watermarks and signatures

Audio watermarking for people monitoring

Methods and apparatus to present supplemental media on a second screen

Methods and apparatus for increasing the robustness of media signatures

Methods and apparatus for audio signature generation and matching

Methods and apparatus to identify a mood of media

Detecting media watermarks in magnetic field data

Methods and apparatus for performing variable block length watermarking of media

SRINIVASAN VENUGOPAL

Methods and apparatus to perform audio watermark detection and extraction

Methods and apparatus for performing variable black length watermarking of media

Down-mixing compensation for audio watermarking

RAMASWAMY ARUN

Methods, systems, and apparatus for multi-purpose metering

Methods, systems and apparatus for multi-purpose metering

SOUNDARARAJAN PADMANABHAN

Methods and apparatus to count people in an audience

Methods and apparatus to present supplemental media on a second screen

TOPCHY ALEXANDER

Methods and appratus for characterizing media

Methods and apparatus for characterizing media

FUHRER BRIAN

Systems and methods to pre-scale media content to facilitate audience measurement