| Patent Number |
Title Of Patent |
Date Issued |
| 7587254 |
Dynamic range control and equalization of digital audio using warped processing |
Sep. 8, 2009 |
| 7529660 |
Method and device for frequency-selective pitch enhancement of synthesized speech |
May. 5, 2009 |
| 7496517 |
Method and device for generating a scalable data stream and method and device for decoding a scalable data stream with provision for a bit saving bank function |
Feb. 24, 2009 |
| 7469206 |
Methods for improving high frequency reconstruction |
Dec. 23, 2008 |
| 7454353 |
Method and device for the generation of a scalable data stream and method and device for decoding a scalable data stream |
Nov. 18, 2008 |
| 7409350 |
Audio processing method for generating audio stream |
Aug. 5, 2008 |
| 7343286 |
Method and apparatus for digital signal processing |
Mar. 11, 2008 |
| 7274738 |
System for improving performance of compression and decompression algorithms in a telecommunication system |
Sep. 25, 2007 |
| 7236839 |
Audio decoder with expanded band information |
Jun. 26, 2007 |
| 7222068 |
Audio signal encoding method combining codes having different frame lengths and data rates |
May. 22, 2007 |
| 7209885 |
Compressed code generating method and compressed code decompressing method |
Apr. 24, 2007 |
| 7127399 |
Voice processing method and voice processing device |
Oct. 24, 2006 |
| 7069223 |
Compressed code decoding device and audio decoding device |
Jun. 27, 2006 |
| 7050965 |
Perceptual normalization of digital audio signals |
May. 23, 2006 |
| 7020615 |
Method and apparatus for audio coding using transient relocation |
Mar. 28, 2006 |
| 7003469 |
Audio signal processing apparatus and method thereof |
Feb. 21, 2006 |
| 6868504 |
Interleaved delay line for phase locked and delay locked loops |
Mar. 15, 2005 |
| 6792403 |
Method and apparatus for compressing and transmitting ultra high speed data |
Sep. 14, 2004 |
| 6792402 |
Method and device for defining table of bit allocation in processing audio signals |
Sep. 14, 2004 |
| 6782368 |
Media processing apparatus that operates at high efficiency |
Aug. 24, 2004 |
| 6741966 |
Methods, devices and computer program products for compressing an audio signal |
May. 25, 2004 |
| 6650762 |
Types-based, lossy data embedding |
Nov. 18, 2003 |
| 6601032 |
Fast code length search method for MPEG audio encoding |
Jul. 29, 2003 |
| 6584443 |
Apparatus and method for audio data/audio-related information transfer |
Jun. 24, 2003 |
| 6563869 |
Digital signal processing circuit and audio reproducing device using it |
May. 13, 2003 |
| 6526385 |
System for embedding additional information in audio data |
Feb. 25, 2003 |
| 6526383 |
Method and apparatus for compressing and transmitting high speed data |
Feb. 25, 2003 |
| 6507819 |
Sound signal processor for extracting sound signals from a composite digital sound signal |
Jan. 14, 2003 |
| 6493674 |
Coded speech decoding system with low computation |
Dec. 10, 2002 |
| 6405338 |
Unequal error protection for perceptual audio coders |
Jun. 11, 2002 |
| 6332175 |
Low power system and method for playing compressed audio data |
Dec. 18, 2001 |
| 6243032 |
Decode apparatus that can accommodate dynamic change in sample data attribute during decoding process |
Jun. 5, 2001 |
| 6226616 |
Sound quality of established low bit-rate audio coding systems without loss of decoder compatibility |
May. 1, 2001 |
| 6125348 |
Lossless data compression with low complexity |
Sep. 26, 2000 |
| 6119091 |
DVD audio decoder having a direct access PCM FIFO |
Sep. 12, 2000 |
| 6112171 |
Methods of efficiently recording and audio signal in semiconductor memory |
Aug. 29, 2000 |
| 6098044 |
DVD audio decoder having efficient deadlock handling |
Aug. 1, 2000 |
| 6094638 |
Audio signal processing apparatus and audio signal processing method for multi channel audio reproduction system |
Jul. 25, 2000 |
| 6076063 |
Audio player and recorder employing semiconductor memory as a recording medium |
Jun. 13, 2000 |
| 6058360 |
Postfiltering audio signals especially speech signals |
May. 2, 2000 |
| 6049770 |
Video and voice signal processing apparatus and sound signal processing apparatus |
Apr. 11, 2000 |
| 5963900 |
Power saving decoder and data recovery apparatus utilizing the same decoder and power saving decoding method |
Oct. 5, 1999 |
| 5899977 |
Acoustic signal processing apparatus wherein pre-set acoustic characteristics are added to input voice signals |
May. 4, 1999 |
| 5893067 |
Method and apparatus for echo data hiding in audio signals |
Apr. 6, 1999 |
| 5893068 |
Method of expanding a frequency range of a digital audio signal without increasing a sampling rate |
Apr. 6, 1999 |
| 5787392 |
Speech signal processing circuit and method for decoding a coded speech signal by controlling operation of a band synthesis filter |
Jul. 28, 1998 |
| 5742930 |
System and method for performing voice compression |
Apr. 21, 1998 |
| 5157728 |
Automatic length-reducing audio delay line |
Oct. 20, 1992 |
| 4200810 |
Method and apparatus for averaging and stretching periodic signals |
Apr. 29, 1980 |
| 4173003 |
Deltic (time compressor) with adjustable multiplication ratio |
Oct. 30, 1979 |
