Inventor
TSUTSUI KYOYA
JP77 patents
Patents
50 patentsUS5619570AApr 8, 1997
Information furnishing and collection system
SONY CORP307 citations99
US5835030ANov 10, 1998
Signal encoding method and apparatus using selected predetermined code tables
SONY CORP110 citations98
US5717821AFeb 10, 1998
Method, apparatus and recording medium for coding of separated tone and noise characteristic spectral components of an acoustic sibnal
SONY CORP118 citations97
US6353807B1Mar 5, 2002
Information coding method and apparatus, code transform method and apparatus, code transform control method and apparatus, information recording method and apparatus, and program providing medium
SONY CORP63 citations96
US6169973B1Jan 2, 2001
Encoding method and apparatus, decoding method and apparatus and recording medium
SONY CORP80 citations96
US6128264AOct 3, 2000
Dual format audio signal compression
SONY CORP38 citations96
US6081784AJun 27, 2000
Methods and apparatus for encoding, decoding, encrypting and decrypting an audio signal, recording medium therefor, and method of transmitting an encoded encrypted audio signal
SONY CORP56 citations96
US5974379AOct 26, 1999
Methods and apparatus for gain controlling waveform elements ahead of an attack portion and waveform elements of a release portion
SONY CORP56 citations96
US5825310AOct 20, 1998
Signal encoding method
SONY CORP92 citations96
US5825979AOct 20, 1998
Digital audio signal coding and/or deciding method
SONY CORP54 citations96
US5724546AMar 3, 1998
Information providing and collecting apparatus with associated primary and secondary recording mediums
SONY CORP66 citations96
US5471558ANov 28, 1995
Data compression method and apparatus in which quantizing bits are allocated to a block in a present frame in response to the block in a past frame
SONY CORP90 citations96
US5438643AAug 1, 1995
Compressed data recording and/or reproducing apparatus and signal processing method
SONY CORP95 citations96
US5414795AMay 9, 1995
High efficiency digital data encoding and decoding apparatus
SONY CORP56 citations96
US5375189ADec 20, 1994
Apparatus and method for audio data compression and expansion with reduced block floating overhead
SONY CORP58 citations96
US5349549ASep 20, 1994
Forward transform processing apparatus and inverse processing apparatus for modified discrete cosine transforms, and method of performing spectral and temporal analyses including simplified forward and inverse orthogonal transform processing
SONY CORP72 citations96
US5301205AApr 5, 1994
Apparatus and method for data compression using signal-weighted quantizing bit allocation
SONY CORP101 citations96
US5260980ANov 9, 1993
Digital signal encoder
SONY CORP77 citations96
US6741965B1May 25, 2004
Differential stereo using two coding techniques
SONY CORP24 citations93
US6604069B1Aug 5, 2003
Signals having quantized values and variable length codes
SONY CORP19 citations93
US6519558B1Feb 11, 2003
Audio signal pitch adjustment apparatus and method
SONY CORP18 citations93
US6496898B1Dec 17, 2002
Information record/reproduction device, information record/reproduction method and supply medium thereof
SONY CORP25 citations93
US6480123B2Nov 12, 2002
Encoding apparatus and method, recording medium, and decoding apparatus and method
SONY CORP26 citations93
US6356211B1Mar 12, 2002
Encoding method and apparatus and recording medium
SONY CORP51 citations93
US6199038B1Mar 6, 2001
Signal encoding method using first band units as encoding units and second band units for setting an initial value of quantization precision
SONY CORP24 citations93
US6167093ADec 26, 2000
Method and apparatus for encoding the information, method and apparatus for decoding the information and method for information transmission
SONY CORP26 citations93
US6128592AOct 3, 2000
Signal processing apparatus and method, and transmission medium and recording medium therefor
SONY CORP24 citations93
US6049517AApr 11, 2000
Dual format audio signal compression
SONY CORP28 citations93
US5930750AJul 27, 1999
Adaptive subband scaling method and apparatus for quantization bit allocation in variable length perceptual coding
SONY CORP33 citations93
US5832424ANov 3, 1998
Speech or audio encoding of variable frequency tonal components and non-tonal components
SONY CORP39 citations93
US5805770ASep 8, 1998
Signal encoding apparatus, signal decoding apparatus, recording medium, and signal encoding method
SONY CORP27 citations93
US5796695AAug 18, 1998
Information transmission method and apparatus and information receiving method and apparatus
SONY CORP22 citations93
US5781586AJul 14, 1998
Method and apparatus for encoding the information, method and apparatus for decoding the information and information recording medium
SONY CORP19 citations93
US5758020AMay 26, 1998
Methods and apparatus for encoding and decoding signals, methods for transmitting signals, and an information recording medium
SONY CORP40 citations93
US5737718AApr 7, 1998
Method, apparatus and recording medium for a coder with a spectral-shape-adaptive subband configuration
SONY CORP39 citations93
US5634082AMay 27, 1997
High efficiency audio coding device and method therefore
SONY CORP28 citations93
US5581654ADec 3, 1996
Method and apparatus for information encoding and decoding
SONY CORP40 citations93
US5490170AFeb 6, 1996
Coding apparatus for digital signal
SONY CORP39 citations93
US5241603AAug 31, 1993
Digital signal encoding apparatus
SONY CORP33 citations93
US6794996B2Sep 21, 2004
Content supply system and information processing method
SONY CORP20 citations92
US6061649AMay 9, 2000
Signal encoding method and apparatus, signal decoding method and apparatus and signal transmission apparatus
SONY CORP32 citations92
US5901234AMay 4, 1999
Gain control method and gain control apparatus for digital audio signals
SONY CORP38 citations92
US5870703AFeb 9, 1999
Adaptive bit allocation of tonal and noise components
SONY CORP32 citations92
US5778339AJul 7, 1998
Signal encoding method, signal encoding apparatus, signal decoding method, signal decoding apparatus, and recording medium
SONY CORP32 citations92
US5765126AJun 9, 1998
Method and apparatus for variable length encoding of separated tone and noise characteristic components of an acoustic signal
SONY CORP29 citations92
US5752224AMay 12, 1998
Information encoding method and apparatus, information decoding method and apparatus information transmission method and information recording medium
SONY CORP43 citations92
US5731767AMar 24, 1998
Information encoding method and apparatus, information decoding method and apparatus, information recording medium, and information transmission method
SONY CORP41 citations92
US5680130AOct 21, 1997
Information encoding method and apparatus, information decoding method and apparatus, information transmission method, and information recording medium
SONY CORP38 citations92
US5646960AJul 8, 1997
Inverse modified discrete cosine transform signal transforming system
SONY CORP24 citations92
US5623557AApr 22, 1997
Method and apparatus for data encoding and data recording medium
SONY CORP24 citations92
Showing the top 50 of 77 patents by PatentIndex Score.