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Patent Searching and Data


Title:
符号化装置、復号化装置、およびこれらの方法
Document Type and Number:
Japanese Patent JP4810422
Kind Code:
B2
Abstract:
There is disclosed an encoding device capable of appropriately adjusting the dynamic range of spectrum inserted according to the technique for replacing a spectrum of a certain band with a spectrum of another band. The device includes a spectrum modification unit (112) which modifies a first spectrum S1(k) of the band 0 ‰¤ k < FL in various ways to change the dynamic range so that a way of modification for obtaining an appropriate dynamic range is checked. The information concerning the modification is encoded and given to a multiplexing unit (115).

Inventors:
Masahiro Oshikiri
Hiroyuki Ehara
Application Number:
JP2006513565A
Publication Date:
November 09, 2011
Filing Date:
May 13, 2005
Export Citation:
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Assignee:
Panasonic Corporation
International Classes:
G10L19/02; G01L21/04; G10L19/032; G10L21/0388; H03M7/30
Domestic Patent References:
JP2003255973A2003-09-10
JP2003216190A2003-07-30
Foreign References:
WO2004027368A12004-04-01
Attorney, Agent or Firm:
Koichi Washida