| |
 |
|
Class Information
Number: 704/504
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Audio signal time compression or expansion (e.g., run length coding) > With content reduction encoding
Description: Subject matter combined with means to discard and replace redundant information by a code indicating what has been discarded.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7610205 |
High quality time-scaling and pitch-scaling of audio signals |
Oct. 27, 2009 |
| 7599835 |
Digital signal encoding method, decoding method, encoding device, decoding device, digital signal encoding program, and decoding program |
Oct. 6, 2009 |
| 7526432 |
Apparatus and method for producing a data stream and apparatus and method for reading a data stream |
Apr. 28, 2009 |
| 7515711 |
Methods and apparatuses for encrypting video and for decrypting video |
Apr. 7, 2009 |
| 7505897 |
Generalized Lempel-Ziv compression for multimedia signals |
Mar. 17, 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 |
| 7490037 |
Method and apparatus for encoding signals |
Feb. 10, 2009 |
| 7454354 |
Hierarchical lossless encoding/decoding method, hierarchical lossless encoding method, hierarchical lossless decoding method, its apparatus and program |
Nov. 18, 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 |
| 7437299 |
Coding of stereo signals |
Oct. 14, 2008 |
| 7433825 |
Apparatus and method for producing a data stream and apparatus and method for reading a data stream |
Oct. 7, 2008 |
| 7395209 |
Fixed point audio decoding system and method |
Jul. 1, 2008 |
| 7395346 |
Information frame modifier |
Jul. 1, 2008 |
| 7343286 |
Method and apparatus for digital signal processing |
Mar. 11, 2008 |
| 7328283 |
Header compression/decompression apparatus and header compression/decompression method |
Feb. 5, 2008 |
| 7313519 |
Transient performance of low bit rate audio coding systems by reducing pre-noise |
Dec. 25, 2007 |
| 7299031 |
Mobile communication terminal capable of storing audio messages in multiple audio compression formats |
Nov. 20, 2007 |
| 7286670 |
Method and apparatus for chaotic opportunistic lossless compression of data |
Oct. 23, 2007 |
| 7283968 |
Method for grouping short windows in audio encoding |
Oct. 16, 2007 |
| 7269550 |
Encoding device and decoding device |
Sep. 11, 2007 |
| 7269564 |
Method and apparatus to indicate an encoding status for digital content |
Sep. 11, 2007 |
| 7236837 |
Reproducing apparatus |
Jun. 26, 2007 |
| 7126501 |
Floating point type digital signal reversible encoding method, decoding method, devices for them, and programs for them |
Oct. 24, 2006 |
| 7092774 |
Multi-channel audio processing system with real-time program duration alteration |
Aug. 15, 2006 |
| 7069223 |
Compressed code decoding device and audio decoding device |
Jun. 27, 2006 |
| 7050965 |
Perceptual normalization of digital audio signals |
May. 23, 2006 |
| 7047201 |
Real-time control of playback rates in presentations |
May. 16, 2006 |
| 7043440 |
Play back apparatus |
May. 9, 2006 |
| 7027989 |
Method and apparatus for transmitting real-time data in multi-access systems |
Apr. 11, 2006 |
| 7016850 |
Method and apparatus for reducing access delay in discontinuous transmission packet telephony systems |
Mar. 21, 2006 |
| 7003468 |
Method, apparatus, and program for envelope generation, audio compression, and audio expansion |
Feb. 21, 2006 |
| 6993073 |
Optimization software module and method for video compression under MPEG |
Jan. 31, 2006 |
| 6988013 |
Method and apparatus for audio signal processing |
Jan. 17, 2006 |
| 6963646 |
Sound signal encoding apparatus and method |
Nov. 8, 2005 |
| 6956904 |
Summarizing videos using motion activity descriptors correlated with audio features |
Oct. 18, 2005 |
| 6915264 |
Cochlear filter bank structure for determining masked thresholds for use in perceptual audio coding |
Jul. 5, 2005 |
| 6904406 |
Audio playback/recording apparatus having multiple decoders in ROM |
Jun. 7, 2005 |
| 6901368 |
Voice transceiver which eliminates underflow and overflow from the speaker output buffer |
May. 31, 2005 |
| 6873956 |
Multi-channel speech processor with increased channel density |
Mar. 29, 2005 |
| 6816491 |
Multiplexed audio data decoding apparatus and receiver apparatus |
Nov. 9, 2004 |
| 6792403 |
Method and apparatus for compressing and transmitting ultra high speed data |
Sep. 14, 2004 |
| 6782367 |
Method and arrangement for changing source signal bandwidth in a telecommunication connection with multiple bandwidth capability |
Aug. 24, 2004 |
| 6741966 |
Methods, devices and computer program products for compressing an audio signal |
May. 25, 2004 |
| 6611798 |
Perceptually improved encoding of acoustic signals |
Aug. 26, 2003 |
| 6601032 |
Fast code length search method for MPEG audio encoding |
Jul. 29, 2003 |
| 6591241 |
Selecting a coupling scheme for each subband for estimation of coupling parameters in a transform coder for high quality audio |
Jul. 8, 2003 |
| 6584443 |
Apparatus and method for audio data/audio-related information transfer |
Jun. 24, 2003 |
| 6581032 |
Bitstream protocol for transmission of encoded voice signals |
Jun. 17, 2003 |
| 6574602 |
Dual channel phase flag determination for coupling bands in a transform coder for high quality audio |
Jun. 3, 2003 |
| 6567782 |
Portable information terminal, method of processing audio data, recording medium, and program |
May. 20, 2003 |
|
|
|
