Patents by Inventor Ryuichi HAGIOKA

Ryuichi HAGIOKA 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: 9332349
    Abstract: The present disclosure relates to a sound image localization apparatus that includes head related transfer function (HRTF) filters that receive a monaural audio signal and generate a first channel output signal using a first head related transfer function describing a change in sound at right/left eardrum caused when a sound occurs from a first direction; low-pass filters that cut high frequency components of the monaural audio signal and pass low frequency components of the monaural signal; delay circuits that delay an output of the low-pass filters by first/second delay amount; and mixers that mix an output of the HRTF filters and an output of the delay circuits and output an audio signal.
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: May 3, 2016
    Assignees: Sony Corporation, Sony Mobile Communications Inc.
    Inventor: Ryuichi Hagioka
  • Publication number: 20130294605
    Abstract: The present disclosure relates to a sound image localization apparatus and a sound image localization method using head related transfer function (HRTF), and to a virtual surround system.
    Type: Application
    Filed: April 26, 2013
    Publication date: November 7, 2013
    Applicant: SONY MOBILE COMMUNICATIONS, INC.
    Inventor: Ryuichi HAGIOKA