Inventor
MURASHIMA ATSUSHI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “MURASHIMA ATSUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
20 patentsUS6401062B1Jun 4, 2002
Apparatus for encoding and apparatus for decoding speech and musical signals
NEC CORP82 citations97
US7050968B1May 23, 2006
Speech signal decoding method and apparatus using decoded information smoothed to produce reconstructed speech signal of enhanced quality
NEC CORP20 citations92
US6910009B1Jun 21, 2005
Speech signal decoding method and apparatus, speech signal encoding/decoding method and apparatus, and program product therefor
NEC CORP30 citations92
US6865534B1Mar 8, 2005
Speech and music signal coder/decoder
NEC CORP52 citations92
US7117150B2Oct 3, 2006
Voice detecting method and apparatus using a long-time average of the time variation of speech features, and medium thereof
NEC CORP6 citations73
US8374852B2Feb 12, 2013
Apparatus and method of code conversion and recording medium that records program for computer to execute the method
NEC CORP4 citations62
US7630889B2Dec 8, 2009
Code conversion method and device
NEC CORP2 citations62
US7630884B2Dec 8, 2009
Code conversion method, apparatus, program, and storage medium
NEC CORP3 citations62
US7426465B2Sep 16, 2008
Speech signal decoding method and apparatus using decoded information smoothed to produce reconstructed speech signal to enhanced quality
NEC CORP2 citations62
US7318024B2Jan 8, 2008
Method of converting codes between speech coding and decoding systems, and device and program therefor
NEC CORP3 citations62
US7231345B2Jun 12, 2007
Method and apparatus for transcoding between different speech encoding/decoding systems
NEC CORP3 citations62
US6694292B2Feb 17, 2004
Apparatus for encoding and apparatus for decoding speech and musical signals
NEC CORP3 citations62
US6088667AJul 11, 2000
LSP prediction coding utilizing a determined best prediction matrix based upon past frame information
NEC CORP3 citations62
US7728741B2Jun 1, 2010
Code conversion device, code conversion method used for the same and program thereof
NEC CORP0 citations51
US7698135B2Apr 13, 2010
Voice detecting method and apparatus using a long-time average of the time variation of speech features, and medium thereof
NEC CORP0 citations51
US7693711B2Apr 6, 2010
Speech signal decoding method and apparatus
NEC CORP0 citations51
US7319953B2Jan 15, 2008
Method and apparatus for transcoding between different speech encoding/decoding systems using gain calculations
NEC CORP1 citations51
US7031913B1Apr 18, 2006
Method and apparatus for decoding speech signal
NEC CORP0 citations51
US7796584B2Sep 14, 2010
Method for connection between communication networks of different types and gateway apparatus
NEC CORP0 citations41
US7747431B2Jun 29, 2010
Code conversion method and device, program, and recording medium
NEC CORP0 citations41