The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 05, 2019
Filed:
Jan. 27, 2016
Nippon Telegraph and Telephone Corporation, Chiyoda-ku, JP;
The University of Tokyo, Bunkyo-ku, JP;
Takehiro Moriya, Atsugi, JP;
Yutaka Kamamoto, Atsugi, JP;
Noboru Harada, Atsugi, JP;
Takahito Kawanishi, Atsugi, JP;
Hirokazu Kameoka, Atsugi, JP;
Ryosuke Sugiura, Bunkyo-ku, JP;
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Chiyoda-ku, JP;
The University of Tokyo, Bunkyo-ku, JP;
Abstract
An encoding apparatus is an encoding apparatus for encoding a time-series signal for each of predetermined time sections in a frequency domain, wherein a parameter η is a positive number, the parameter η corresponding to a time-series signal is a shape parameter of generalized Gaussian distribution that approximates a histogram of a whitened spectral sequence, which is a sequence obtained by dividing a frequency domain sample sequence corresponding to the time-series signal by a spectral envelope estimated by regarding the η-th power of absolute values of the frequency domain sample sequence as a power spectrum, and any of a plurality of parameters η is selective or the parameter η is variable for each of the predetermined time sections; and the encoding apparatus comprises an encoding portion encoding the time-series signal for each of the predetermined time sections by an encoding process with a configuration identified at least based on the parameter η for each of the predetermined time sections.