Patents by Inventor Andrei B. Viktorov

Andrei B. Viktorov 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).

  • Method of segmenting an audio stream
    Patent number: 7346516
    Abstract: Disclosed herein is a segmentation method, which divides an input audio stream into segments containing different homogeneous signals. The main objective of this method is localization of segments with stationary properties. This method seeks all no-stationary points or intervals in the audio stream and creates a list of segments. The obtained list of segments can be used as an input data for the following procedures, such as classification, speech/music/noise attribution and so on. The proposed segmentation method is based on the analysis of audio signal statistical features variation and comprises three main stages: stage of first-grade characteristics calculation, stage of second-grade characteristics calculation and stage of decision-making.
    Type: Grant
    Filed: February 21, 2003
    Date of Patent: March 18, 2008
    Assignee: LG Electronics Inc.
    Inventors: Mikhael A. Sall, Sergei N. Gramnitskiy, Alexandr L. Maiboroda, Victor V. Redkov, Anatoli I. Tikhotsky, Andrei B. Viktorov
  • Method of filtering noise of source digital data
    Patent number: 7260526
    Abstract: A method of filtering digital audio data with short delay according to the present invention comprises the steps of: (a) buffering input source digital audio data; (b) calculating digital data that are being filtered from the buffered input source digital audio data; and (c) outputting a portion of the filtered digital data. The source digital audio data are sequence of digital samples. Buffer contents are shifted to arrange some of input samples in a buffer in the step (a). The step (b) comprises the steps of: (b-1) calculating a correlation matrix; (b-2) decomposing the correlation matrix; (b-3) calculating a filter matrix; and (b-4) calculating an approximation of the filtered digital data.
    Type: Grant
    Filed: February 21, 2003
    Date of Patent: August 21, 2007
    Assignee: LG Electronics Inc.
    Inventors: Mikhael A. Sall, Sergei N. Gramnitskiy, Alexandr L. Maiboroda, Victor V. Redkov, Anatoli I. Tikhotsky, Andrei B. Viktorov
  • Method and system for distinguishing speech from music in a digital audio signal in real time
    Patent number: 7191128
    Abstract: The present invention relates to method and system for distinguishing speech from music in a digital audio signal in real time.
    Type: Grant
    Filed: February 21, 2003
    Date of Patent: March 13, 2007
    Assignee: LG Electronics Inc.
    Inventors: Mikhael A. Sall, Sergei N. Gramnitskiy, Alexandr L. Maiboroda, Victor V. Redkov, Anatoli I. Tikhotsky, Andrei B. Viktorov
  • Method and system for distinguishing speech from music in a digital audio signal in real time
    Publication number: 20030182105
    Abstract: The present invention relates to method and system for distinguishing speech from music in a digital audio signal in real time.
    Type: Application
    Filed: February 21, 2003
    Publication date: September 25, 2003
    Inventors: Mikhael A. Sall, Sergei N. Gramnitskiy, Alexandr L. Maiboroda, Victor V. Redkov, Anatoli I. Tikhotsky, Andrei B. Viktorov
  • Method of filtering noise of source digital data
    Publication number: 20030171918
    Abstract: A method of filtering digital audio data with short delay according to the present invention comprises the steps of: (a) buffering input source digital audio data; (b) calculating digital data that are being filtered from the buffered input source digital audio data; and (c) outputting a portion of the filtered digital data. The source digital audio data are sequence of digital samples. Buffer contents are shifted to arrange some of input samples in a buffer in the step (a). The step (b) comprises the steps of: (b-1) calculating a correlation matrix; (b-2) decomposing the correlation matrix; (b-3) calculating a filter matrix; and (b-4) calculating an approximation of the filtered digital data.
    Type: Application
    Filed: February 21, 2003
    Publication date: September 11, 2003
    Inventors: Mikhael A. Sall, Sergei N. Gramnitskiy, Alexandr L. Maiboroda, Victor V. Redkov, Anatoli I. Tikhotsky, Andrei B. Viktorov
  • Method of segmenting an audio stream
    Publication number: 20030171936
    Abstract: Disclosed herein is a segmentation method, which divides an input audio stream into segments containing different homogeneous signals. The main objective of this method is localization of segments with stationary properties. This method seeks all no-stationary points or intervals in the audio stream and creates a list of segments. The obtained list of segments can be used as an input data for the following procedures, such as classification, speech/music/noise attribution and so on. The proposed segmentation method is based on the analysis of audio signal statistical features variation and comprises three main stages: stage of first-grade characteristics calculation, stage of second-grade characteristics calculation and stage of decision-making.
    Type: Application
    Filed: February 21, 2003
    Publication date: September 11, 2003
    Inventors: Mikhael A. Sall, Sergei N. Gramnitskiy, Alexandr L. Maiboroda, Victor V. Redkov, Anatoli I. Tikhotsky, Andrei B. Viktorov