Patents by Inventor Saki HANAI

Saki HANAI 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).

  • Sound processing apparatus, sound processing method, and sound processing program
    Patent number: 8442240
    Abstract: A sound processing apparatus includes a power spectrum operation unit obtaining a power spectrum of an audio signal, an envelope component removal unit removing an envelope component of the power spectrum and generating a signal characteristic that represents a peakness of the power spectrum, a filter characteristic calculation unit calculating a filter characteristic suppressing the signal characteristic by using the signal characteristic, and a suppress filter filtering the audio signal by using the filter characteristic.
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: May 14, 2013
    Assignee: Sony Corporation
    Inventors: Saki Hanai, Mitsuhiro Suzuki
  • SOUND PROCESSING APPARATUS, SOUND PROCESSING METHOD, AND SOUND PROCESSING PROGRAM
    Publication number: 20110091050
    Abstract: A sound processing apparatus includes a power spectrum operation unit obtaining a power spectrum of an audio signal, an envelope component removal unit removing an envelope component of the power spectrum and generating a signal characteristic that represents a peakness of the power spectrum, a filter characteristic calculation unit calculating a filter characteristic suppressing the signal characteristic by using the signal characteristic, and a suppress filter filtering the audio signal by using the filter characteristic.
    Type: Application
    Filed: October 8, 2010
    Publication date: April 21, 2011
    Inventors: Saki HANAI, Mitsuhiro Suzuki