Patents by Inventor Venugopal Srinivasan

Venugopal Srinivasan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12323657
    Abstract: Example apparatus disclosed herein are to determine a location of a portable device based on location data collected by the portable device, determine whether a person is within a threshold distance of the portable device based on proximity data collected by the portable device, and, when the person is determined to be within the threshold distance of the portable device: (i) infer at least one of a presence or an absence of the person in a media exposure environment based on the location of the portable device, (ii) determine a confidence level that the person corresponds to a member of the panelist household, and (iii) determine an accuracy of presence information collected by a people meter based on the confidence level and the inference of the at least one of the presence or the absence of the person, the people meter different than the portable device.
    Type: Grant
    Filed: January 16, 2024
    Date of Patent: June 3, 2025
    Assignee: The Nielsen Company (US), LLC
    Inventors: Padmanabhan Soundararajan, Venugopal Srinivasan, Alexander Topchy
  • Patent number: 12250434
    Abstract: Methods and apparatus to present supplemental media on a second screen are disclosed. An example method includes establishing a connection between a digital media device and a computing device based on information identifying the computing device and, in response to establishing the connection, receiving, at the computing device, a first notification from the digital media device including a location of supplemental media; accessing the supplemental media; and in response to accessing the supplemental media, sending a second notification that the supplemental media has been accessed, the second notification to enable media skipping on the digital media device.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: March 11, 2025
    Assignee: The Nielsen Company (US), LLC
    Inventors: Padmanabhan Soundararajan, Venugopal Srinivasan, Alexander Topchy
  • Publication number: 20250080785
    Abstract: Methods, apparatus, systems and articles of manufacture to reduce signature matching uncertainty in media monitoring systems are disclosed. Disclosed example apparatus are to compare first groups of monitored signatures representative of monitored media with second groups of reference signatures representative of respective reference media to determine a first sequence of match results for an observation period, the first and second groups to have a first size corresponding to a first number of signatures. Disclosed example apparatus are also to compare, in response to a discontinuity in the first sequence of signature match results, third groups of monitored signatures from the sequence of monitored signatures with fourth groups of reference signatures from the respective sequences of reference signatures to determine a second sequence of signature match results for the observation period, the third groups and the fourth groups to have a second size greater than the first size.
    Type: Application
    Filed: November 18, 2024
    Publication date: March 6, 2025
    Inventor: Venugopal Srinivasan
  • Patent number: 12190911
    Abstract: Methods, apparatus, systems, and articles of manufacture to perform speed-enhanced playback of recorded media are disclosed. Example apparatus to playback media disclosed herein comprise at least one memory, machine-readable instructions, and processor circuitry to execute the machine-readable instructions to parse an audio frame included in the media to determine a number of skip bytes included in the audio frame, compare the number of skip bytes to a threshold, associate the audio frame with a plurality of candidate frames identified in the media when the number of skip bytes satisfies the threshold, and calculate a speed-enhanced playback rate for the media based on the plurality of candidate frames identified in the media.
    Type: Grant
    Filed: December 19, 2023
    Date of Patent: January 7, 2025
    Assignee: The Nielsen Company (US), LLC
    Inventor: Venugopal Srinivasan
  • Patent number: 12189684
    Abstract: Methods and apparatus to audio watermarking and watermark detection and extracted are described herein. An example method includes receiving a media content signal, sampling the media content signal to generate samples, storing the samples in a buffer, determining a first sequence of samples in the buffer, determining a second sequence of samples in the buffer, wherein the second sequence of samples is of substantially equal length as the first sequence of samples, calculating an average of the first sequence of samples and 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 in a tangible memory.
    Type: Grant
    Filed: October 11, 2023
    Date of Patent: January 7, 2025
    Assignee: The Nielsen Company (US), LLC
    Inventors: Venugopal Srinivasan, Alexander Topchy
  • Publication number: 20240430519
    Abstract: Example apparatus disclosed herein are to obtain a first hash key, a second hash key and a third hash key representative of first reference media in response to a first query of a first table, the second hash key associated with a second time preceding a first time associated with the first hash key, the third hash key associated with a third time following the first time associated with the first hash key. Disclosed example apparatus are also to prequalify the first hash key as a candidate for subsequent signature processing associated with a first site signature in response to a determination that the second hash key corresponds to a second site signature preceding the first site signature in time and that the third hash key corresponds to a third site signature following the first site signature in time.
    Type: Application
    Filed: September 6, 2024
    Publication date: December 26, 2024
    Inventors: Daniel Nelson, Venugopal Srinivasan, Arun Ramaswamy, Raghuram Ranganathan, Kenneth William McArthur
  • Publication number: 20240406499
    Abstract: Methods, apparatus, systems and articles of manufacture are disclosed for media crediting and, more particularly, methods and apparatus of media device detection for media meters. An example computing system disclosed herein to detect media devices presenting media comprises a non-transitory computer-readable storage medium, having stored thereon program instructions that, upon execution by the processor, cause performance of a set of operations comprising generating a cluster of media locations based on media identifying information received from a presentation of media at a streaming media device and identifying the streaming media device based on the media devices available at the media locations in the cluster of media locations and an identity of a media device determined to be available in a majority of media locations in the cluster of media locations.
    Type: Application
    Filed: August 12, 2024
    Publication date: December 5, 2024
    Inventors: Alexander Topchy, Venugopal Srinivasan
  • Patent number: 12160624
    Abstract: Methods, apparatus, systems and articles of manufacture to reduce signature matching uncertainty in media monitoring systems are disclosed. Disclosed example apparatus are to compare first groups of monitored signatures representative of monitored media with second groups of reference signatures representative of respective reference media to determine a first sequence of match results for an observation period, the first and second groups to have a first size corresponding to a first number of signatures. Disclosed example apparatus are also to compare, in response to a discontinuity in the first sequence of signature match results, third groups of monitored signatures from the sequence of monitored signatures with fourth groups of reference signatures from the respective sequences of reference signatures to determine a second sequence of signature match results for the observation period, the third groups and the fourth groups to have a second size greater than the first size.
    Type: Grant
    Filed: October 17, 2022
    Date of Patent: December 3, 2024
    Assignee: The Nielsen Company (US), LLC
    Inventor: Venugopal Srinivasan
  • Patent number: 12132958
    Abstract: Example apparatus disclosed herein are to determine a location of a portable device based on location data collected by the portable device, determine whether a person is within a threshold distance of the portable device based on proximity data collected by the portable device, and, when the person is determined to be within the threshold distance of the portable device: (i) infer at least one of a presence or an absence of the person in a media exposure environment based on the location of the portable device, (ii) determine a confidence level that the person corresponds to a member of the panelist household, and (iii) determine an accuracy of presence information collected by a people meter based on the confidence level and the inference of the at least one of the presence or the absence of the person, the people meter different than the portable device.
    Type: Grant
    Filed: January 12, 2024
    Date of Patent: October 29, 2024
    Assignee: The Nielsen Company (US), LLC
    Inventors: Padmanabhan Soundararajan, Venugopal Srinivasan, Alexander Topchy
  • Publication number: 20240340505
    Abstract: Methods, apparatus, systems and articles of manufacture are disclosed for scalable architectures for reference signature matching and updating. An example method for scalable architectures for reference signature matching and updating includes accessing site signatures to be compared to reference signatures from a first group of media sources. Determining if a first reference node is an owner of a first one of the site signatures. Comparing a neighborhood of site signatures including the first site signature to reference signatures in a first subset of reference signatures when the first reference node is the owner of the first site signature, the first subset of references signatures stored in a first memory partition associated with the first reference node. Not comparing site signature to reference signatures when the first reference node is not the owner of the first one of the site signatures.
    Type: Application
    Filed: June 18, 2024
    Publication date: October 10, 2024
    Inventors: Raghuram Ranganathan, Anand Jain, Venugopal Srinivasan
  • Patent number: 12088875
    Abstract: Example apparatus disclosed herein are to obtain a first hash key, a second hash key and a third hash key representative of first reference media in response to a first query of a first table, the second hash key associated with a second time preceding a first time associated with the first hash key, the third hash key associated with a third time following the first time associated with the first hash key. Disclosed example apparatus are also to prequalify the first hash key as a candidate for subsequent signature processing associated with a first site signature in response to a determination that the second hash key corresponds to a second site signature preceding the first site signature in time and that the third hash key corresponds to a third site signature following the first site signature in time.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: September 10, 2024
    Assignee: The Nielsen Company (US), LLC
    Inventors: Daniel Nelson, Venugopal Srinivasan, Arun Ramaswamy, Raghuram Ranganathan, Kenneth William McArthur
  • Publication number: 20240290334
    Abstract: Disclosed example people monitoring methods include detecting a first watermark in a first audio signal obtained from an acoustic sensor, the first watermark identifying media presented by a monitored media device, determining whether a second watermark, different from the first watermark, is embedded in the first audio signal obtained from the acoustic sensor, the second watermark identifying at least one of a mobile device or a user of the mobile device, classifying the second watermark as a media watermark or a people monitoring watermark based on a characteristic of the second watermark, and when the second watermark is determined to be embedded in the first audio signal, reporting at least one of the second watermark or information decoded from the second watermark to identify at least one of the mobile device or the user of the mobile device as being exposed to the media presented by the monitored media device.
    Type: Application
    Filed: January 31, 2024
    Publication date: August 29, 2024
    Applicant: The Nielsen Company (US), LLC
    Inventors: Alexander Topchy, Padmanabhan Soundararajan, Venugopal Srinivasan
  • Patent number: 12075117
    Abstract: Methods, apparatus, systems and articles of manufacture are disclosed for media crediting and, more particularly, methods and apparatus of media device detection for minimally invasive media meters. An example apparatus disclosed herein to detect media devices presenting media includes means for generating a cluster of media locations from a reference population of media locations based on media identifying information received from a presentation of media at an unidentified media device at a first media location, means for determining media devices available at the media locations in the cluster of media locations, means for identifying the unidentified media device based on (1) the media devices available at the media locations in the cluster of media locations and (2) an identity of a media device determined to be available in a majority of media locations in the cluster of media locations.
    Type: Grant
    Filed: June 7, 2023
    Date of Patent: August 27, 2024
    Assignee: The Nielsen Company (US), LLC
    Inventors: Alexander Topchy, Venugopal Srinivasan
  • Patent number: 12058422
    Abstract: Methods, apparatus, systems and articles of manufacture are disclosed for scalable architectures for reference signature matching and updating. An example method for scalable architectures for reference signature matching and updating includes accessing site signatures to be compared to reference signatures from a first group of media sources. Determining if a first reference node is an owner of a first one of the site signatures. Comparing a neighborhood of site signatures including the first site signature to reference signatures in a first subset of reference signatures when the first reference node is the owner of the first site signature, the first subset of references signatures stored in a first memory partition associated with the first reference node. Not comparing site signature to reference signatures when the first reference node is not the owner of the first one of the site signatures.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: August 6, 2024
    Assignee: The Nielsen Company (US), LLC
    Inventors: Raghuram Ranganathan, Anand Jain, Venugopal Srinivasan
  • Publication number: 20240257818
    Abstract: Methods and apparatus to perform audio watermarking and watermark detection and extraction are disclosed. Example apparatus disclosed herein are to select frequency components to be used to represent a code, different sets of frequency components to represent respectively different information, respective ones of the frequency components in the sets of frequency components located in respective code bands, there being multiple code bands and spacing between adjacent code bands being equal to or less than the spacing between adjacent frequency components in the code bands. Disclosed example apparatus are also to synthesize the frequency components to be used to represent the code, combine the synthesized frequency components with an audio block of an audio signal, and output the audio signal and a video signal associated with the audio signal.
    Type: Application
    Filed: April 9, 2024
    Publication date: August 1, 2024
    Inventors: Alexander Pavlovich Topchy, Arun Ramaswamy, Venugopal Srinivasan
  • Publication number: 20240233737
    Abstract: Example methods disclosed herein include accessing a secondary content schedule based on one or more watermarks detected in primary media content, the secondary content schedule to identify (i) one or more secondary content items and (ii) one or more first time values associated with the one or more secondary content items. Disclosed example methods also include comparing the one or more first time values associated with the one or more secondary content items in the secondary content schedule to second time values provided by a clock to determine whether to present a first one of the one or more secondary content items, the second time values based on a timestamp associated with the one or more watermarks detected in the primary media content. Disclosed example methods further include causing a media presentation device to display the first one of the secondary content items according to the secondary content schedule.
    Type: Application
    Filed: February 16, 2024
    Publication date: July 11, 2024
    Inventors: David Henry Harkness, Arun Ramaswamy, Jerome Samson, Jan Besehanic, Venugopal Srinivasan, Alexander Pavlovich Topchy
  • Patent number: 12002478
    Abstract: Example methods and apparatus to audio watermarking and watermark detection and extraction are disclosed herein. An example apparatus disclosed herein includes memory, computer readable instructions, and processor circuitry to execute the computer readable instructions to at least detect a first symbol, a second symbol, a third symbol, and a fourth symbol sequentially in encoded audio samples, determine whether the first symbol is a synchronization symbol, in response to a determination that the first symbol is a synchronization symbol, determine that the first symbol and the third symbol are associated with a first message and the second symbol and the fourth symbol are associated with a second message, and output at least one of the first message or the second message.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: June 4, 2024
    Assignee: The Nielsen Company (US), LLC
    Inventors: Venugopal Srinivasan, Alexander Pavlovich Topchy
  • Publication number: 20240155187
    Abstract: Example apparatus disclosed herein are to determine a location of a portable device based on location data collected by the portable device, determine whether a person is within a threshold distance of the portable device based on proximity data collected by the portable device, and, when the person is determined to be within the threshold distance of the portable device: (i) infer at least one of a presence or an absence of the person in a media exposure environment based on the location of the portable device, (ii) determine a confidence level that the person corresponds to a member of the panelist household, and (iii) determine an accuracy of presence information collected by a people meter based on the confidence level and the inference of the at least one of the presence or the absence of the person, the people meter different than the portable device.
    Type: Application
    Filed: January 16, 2024
    Publication date: May 9, 2024
    Inventors: Padmanabhan Soundararajan, Venugopal Srinivasan, Alexander Topchy
  • Publication number: 20240155186
    Abstract: Example apparatus disclosed herein are to determine a location of a portable device based on location data collected by the portable device, determine whether a person is within a threshold distance of the portable device based on proximity data collected by the portable device, and, when the person is determined to be within the threshold distance of the portable device: (i) infer at least one of a presence or an absence of the person in a media exposure environment based on the location of the portable device, (ii) determine a confidence level that the person corresponds to a member of the panelist household, and (iii) determine an accuracy of presence information collected by a people meter based on the confidence level and the inference of the at least one of the presence or the absence of the person, the people meter different than the portable device.
    Type: Application
    Filed: January 12, 2024
    Publication date: May 9, 2024
    Inventors: Padmanabhan Soundararajan, Venugopal Srinivasan, Alexander Topchy
  • Publication number: 20240152552
    Abstract: Methods and apparatus to audio watermarking and watermark detection and extracted are described herein. An example method includes receiving a media content signal, sampling the media content signal to generate samples, storing the samples in a buffer, determining a first sequence of samples in the buffer, determining a second sequence of samples in the buffer, wherein the second sequence of samples is of substantially equal length as the first sequence of samples, calculating an average of the first sequence of samples and 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 in a tangible memory.
    Type: Application
    Filed: October 11, 2023
    Publication date: May 9, 2024
    Inventors: Venugopal Srinivasan, Alexander Topchy