Patents by Inventor Katsumori Hagiwara

Katsumori Hagiwara 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).

  • Encoding method, encoding apparatus, and computer readable recording medium
    Patent number: 9406311
    Abstract: An encoding method executed by a computer, the method includes converting by the computer information about a transient included in a low-frequency component of an audio signal into information about a transient included in a high-frequency component of the audio signal, detecting, by the computer the transient of the high-frequency component of the audio signal based on the high-frequency component of the audio signal and on the information about the transient of the high-frequency component obtained by the converting; and encoding, by the computer the high-frequency component of the audio signal based on the transient detected by the detecting.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: August 2, 2016
    Assignee: FUJITSU LIMITED
    Inventors: Shusaku Ito, Yoshiteru Tsuchinaga, Katsumori Hagiwara, Sosaku Moriki
  • ENCODING METHOD, ENCODING APPARATUS, AND COMPUTER READABLE RECORDING MEDIUM
    Publication number: 20130054254
    Abstract: An encoding method executed by a computer, the method includes converting by the computer information about a transient included in a low-frequency component of an audio signal into information about a transient included in a high-frequency component of the audio signal, detecting, by the computer the transient of the high-frequency component of the audio signal based on the high-frequency component of the audio signal and on the information about the transient of the high-frequency component obtained by the converting; and encoding, by the computer the high-frequency component of the audio signal based on the transient detected by the detecting.
    Type: Application
    Filed: August 23, 2012
    Publication date: February 28, 2013
    Applicant: FUJITSU LIMITED
    Inventors: Shusaku ITO, Yoshiteru Tsuchinaga, Katsumori Hagiwara, Sosaku Moriki