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Source sound separator with spectrum analysis through linear combination and method therefor
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Sound Source Separation System, Sound Source Separation Method, And Acoustic Signal Acquisition Device
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Sound source separation system, sound source separation method, and acoustic signal acquisition device
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Private Information Storage Device And Private Information Management Device
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Private information storage device and private information management device
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Source sound separator with spectrum analysis through linear combination and method therefor
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Sound Source Separation System, Sound Source Separation Method, And Acoustic Signal Acquisition Device
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Signal reproducing method and device, signal recording method and device, and code sequence generating method and device
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Signal reproducing method and device, signal recording method and device, and code sequence generating method and device
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Signal reproducing method and device, signal recording method and device, and code sequence generating method and device
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Signal reproducing apparatus and method, signal recording apparatus and method, signal receiver, and information processing method
Grant 7,140,037 - Tsutsui , et al. November 21, 2 | 2006-11-21 |
Private information management apparatus and method therefor
App 20050193012 - Matsuyama, Shinako ; et al. | 2005-09-01 |
Private information storage device and private information management device
App 20050138016 - Matsuyama, Shinako ; et al. | 2005-06-23 |
Private information storage device and private information management device
App 20050131949 - Matsuyama, Shinako ; et al. | 2005-06-16 |
Information acquisition system, information acquisition method and information processing program
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Content supply system and information processing method
Grant 6,794,996 - Tsutsui , et al. September 21, 2 | 2004-09-21 |
Information processing method and apparatus, recording medium, and program
App 20040083258 - Haneda, Naoya ; et al. | 2004-04-29 |
Signal reproducing method and device, signal recording method and device, and code sequence generating method and device
App 20030190155 - Tsutsui, Kyoya ; et al. | 2003-10-09 |
Signal reproducing apparatus and method, signal recording apparatus and method, signal receiver, and information processing method
App 20030172337 - Tsutsui, Kyoya ; et al. | 2003-09-11 |
Content supply system and information processing method
App 20030169821 - Tsutsui, Kyoya ; et al. | 2003-09-11 |
Signal processing method and apparatus, and code string generating method and apparatus
App 20030112973 - Tsutsui, Kyoya ; et al. | 2003-06-19 |
Apparatus and method for processing information, information system, and storage medium
App 20020123990 - Abe, Mototsugu ; et al. | 2002-09-05 |
Subband coder or decoder band-limiting the overlap region between a processed subband and an adjacent non-processed one
Grant 6,415,251 - Oikawa , et al. July 2, 2 | 2002-07-02 |
Multi-format Recording Medium
App 20010047256 - TSURUSHIMA, KATSUAKI ; et al. | 2001-11-29 |
Signal Reproduction Apparatus And Method Therefor
App 20010016810 - OIKAWA, YOSHIAKI ; et al. | 2001-08-23 |
Efficient encoding method, efficient code decoding method, efficient code encoding apparatus, efficient code decoding apparatus, efficient encoding/decoding system, and recording media
Grant 6,104,321 - Akagiri August 15, 2 | 2000-08-15 |
Signal-reproduction method and apparatus
Grant 6,011,824 - Oikawa , et al. January 4, 2 | 2000-01-04 |
Two-stage compression and expansion of coupling processed multi-channel sound signals for transmission and recording
Grant 5,873,065 - Akagiri , et al. February 16, 1 | 1999-02-16 |
Methods and apparatus for processing digital signals by allocation of subband signals and recording medium therefor
Grant 5,864,800 - Imai , et al. January 26, 1 | 1999-01-26 |
Length of a processing block is rendered variable responsive to input signals
Grant 5,819,214 - Suzuki , et al. October 6, 1 | 1998-10-06 |
High efficiency encoding device and a noise spectrum modifying device and method
Grant 5,757,938 - Akagiri , et al. May 26, 1 | 1998-05-26 |
Method and apparatus for altering frequency components of a transformed signal, and a recording medium therefor
Grant 5,737,717 - Akagiri , et al. April 7, 1 | 1998-04-07 |
Method of recording and reproducing digital audio signal and apparatus thereof
Grant 5,687,157 - Imai , et al. November 11, 1 | 1997-11-11 |
High efficiency encoding or decoding method and device
Grant 5,642,111 - Akagiri June 24, 1 | 1997-06-24 |
Digital encoder with dynamic quantization bit allocation
Grant 5,621,856 - Akagiri April 15, 1 | 1997-04-15 |
Bit allocation of digital audio signal blocks by non-linear processing
Grant 5,608,713 - Akagiri , et al. March 4, 1 | 1997-03-04 |
Encoding method and apparatus for bit compressing digital audio signals and recording medium having encoded audio signals recorded thereon by the encoding method
Grant 5,590,108 - Mitsuno , et al. December 31, 1 | 1996-12-31 |
Apparatus for compressing a digital input signal with signal spectrum-dependent and noise spectrum-dependent quantizing bit allocation
Grant 5,583,967 - Akagiri December 10, 1 | 1996-12-10 |
High efficiency encoding device and a noise spectrum modifying device and method
Grant 5,563,913 - Akagiri , et al. October 8, 1 | 1996-10-08 |
Bit allocation method and device for digital audio signals using aural characteristics and signal intensities
Grant 5,553,193 - Akagiri September 3, 1 | 1996-09-03 |
Apparatus for high-speed recording compressed digital audio data with two dimensional blocks and its compressing parameters
Grant 5,548,574 - Shimoyoshi , et al. August 20, 1 | 1996-08-20 |
Apparatus, method, and system for compressing a digital input signal in more than one compression mode
Grant 5,530,750 - Akagiri June 25, 1 | 1996-06-25 |
Apparatus for encoding digital data with reduction of perceptible noise
Grant 5,502,789 - Akagiri March 26, 1 | 1996-03-26 |
Compressed digital data recording and reproducing apparatus with selective block deletion
Grant 5,491,481 - Akagiri February 13, 1 | 1996-02-13 |
Coding apparatus for digital signal
Grant 5,490,170 - Akagiri , et al. February 6, 1 | 1996-02-06 |
Apparatus and method for compressing a digital input signal in more than one compression mode
Grant 5,490,130 - Akagiri February 6, 1 | 1996-02-06 |
Digital signal decoding apparatus
Grant 5,461,378 - Shimoyoshi , et al. October 24, 1 | 1995-10-24 |
Compressed data recording and/or reproducing apparatus and signal processing method
Grant 5,438,643 - Akagiri , et al. August 1, 1 | 1995-08-01 |
Speech synthesis apparatus for rapid speed reading
Grant 5,396,577 - Oikawa , et al. March 7, 1 | 1995-03-07 |
Apparatus for high-speed recording compressed digital data with increased compression
Grant 5,388,209 - Akagiri February 7, 1 | 1995-02-07 |
Digital signal coding/decoding apparatus, digital signal coding apparatus, and digital signal decoding apparatus
Grant 5,381,143 - Shimoyoshi , et al. January 10, 1 | 1995-01-10 |
Method and apparatus for compressing a digital input signal with block floating applied to blocks corresponding to fractions of a critical band or to multiple critical bands
Grant 5,311,561 - Akagiri May 10, 1 | 1994-05-10 |
Apparatus and method for data compression using signal-weighted quantizing bit allocation
Grant 5,301,205 - Tsutsui , et al. April 5, 1 | 1994-04-05 |
Signal encoding apparatus
Grant 5,299,239 - Iwahashi , et al. March 29, 1 | 1994-03-29 |
Signal encoding and signal decoding apparatus
Grant 5,299,240 - Iwahashi , et al. March 29, 1 | 1994-03-29 |
Data compressing and expanding apparatus with time domain and frequency domain block floating
Grant 5,294,925 - Akagiri March 15, 1 | 1994-03-15 |
Apparatus for processing digital signal
Grant 5,283,814 - Iwahashi , et al. February 1, 1 | 1994-02-01 |
Digital signal encoder
Grant 5,260,980 - Akagiri , et al. November 9, 1 | 1993-11-09 |
Digital signal encoding apparatus
Grant 5,241,603 - Akagiri , et al. August 31, 1 | 1993-08-31 |
Quantizing error reducer for audio signal
Grant 5,204,677 - Akagiri , et al. April 20, 1 | 1993-04-20 |
Signal encoding apparatus
Grant 5,197,087 - Iwahashi , et al. March 23, 1 | 1993-03-23 |
Adaptive predictive coding encoder for compression of quantized digital audio signals
Grant 5,166,981 - Iwahashi , et al. November 24, 1 | 1992-11-24 |
Digital signal encoding with quantizing based on masking from multiple frequency bands
Grant 5,157,760 - Akagiri October 20, 1 | 1992-10-20 |
3-mode PCM/DPCM/APCM maximizing dynamic range
Grant 5,128,963 - Akagiri July 7, 1 | 1992-07-07 |
Method and apparatus for encoding voice signals divided into a plurality of frequency bands
Grant 5,115,240 - Fujiwara , et al. May 19, 1 | 1992-05-19 |
Method and apparatus for processing digital signal
Grant 5,070,515 - Iwahashi , et al. December 3, 1 | 1991-12-03 |
Amplitude compressing/expanding circuit
Grant 4,972,164 - Akagiri , et al. November 20, 1 | 1990-11-20 |
D/A converter with switched capacitor control
Grant 4,851,844 - Akagiri July 25, 1 | 1989-07-25 |
Digital signal transmission device
Grant 4,797,902 - Nishiguchi , et al. January 10, 1 | 1989-01-10 |
Apparatus for transmitting digital signal
Grant 4,783,792 - Akagiri , et al. November 8, 1 | 1988-11-08 |
Apparatus for transmitting digital signals
Grant 4,685,115 - Akagiri , et al. August 4, 1 | 1987-08-04 |
Level detecting circuit
Grant 4,433,254 - Katakura , et al. February 21, 1 | 1984-02-21 |
Gain control circuit
Grant 4,422,049 - Akagiri , et al. December 20, 1 | 1983-12-20 |
Gain control circuit for noise reduction system
Grant 4,370,681 - Akagiri January 25, 1 | 1983-01-25 |
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