| |
 |
|
Class Information
Number: 704/501
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Audio signal bandwidth compression or expansion > 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 |
| 7433824 |
Entropy coding by adapting coding between level and run-length/level modes |
Oct. 7, 2008 |
| 7424434 |
Unified lossy and lossless audio compression |
Sep. 9, 2008 |
| 7418396 |
Reduced memory implementation technique of filterbank and block switching for real-time audio applications |
Aug. 26, 2008 |
| 7409350 |
Audio processing method for generating audio stream |
Aug. 5, 2008 |
| 7394903 |
Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal |
Jul. 1, 2008 |
| 7395209 |
Fixed point audio decoding system and method |
Jul. 1, 2008 |
| 7395346 |
Information frame modifier |
Jul. 1, 2008 |
| 7391870 |
Apparatus and method for generating a multi-channel output signal |
Jun. 24, 2008 |
| 7382886 |
Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
Jun. 3, 2008 |
| 7379878 |
Information encoding apparatus and method, information decoding apparatus and method, recording medium utilizing spectral switching for embedding additional information in an audio signal |
May. 27, 2008 |
| 7363216 |
Method and system for parametric characterization of transient audio signals |
Apr. 22, 2008 |
| 7363231 |
Coding device, decoding device, and methods thereof |
Apr. 22, 2008 |
| 7356083 |
Data compression system and method |
Apr. 8, 2008 |
| 7346513 |
Audio signal saving operation controlling method, program thereof, record medium thereof, audio signal reproducing operation controlling method, program thereof, record medium thereof, audio s |
Mar. 18, 2008 |
| 7346517 |
Method of inserting additional data into a compressed signal |
Mar. 18, 2008 |
| 7343286 |
Method and apparatus for digital signal processing |
Mar. 11, 2008 |
| 7343292 |
Audio encoder utilizing bandwidth-limiting processing based on code amount characteristics |
Mar. 11, 2008 |
| 7330555 |
Coding device and method, and recording medium |
Feb. 12, 2008 |
| 7328148 |
Transferring compressed audio via a playback buffer |
Feb. 5, 2008 |
| 7328160 |
Encoding device and decoding device |
Feb. 5, 2008 |
| 7328161 |
Audio decoding method and apparatus which recover high frequency component with small computation |
Feb. 5, 2008 |
| 7328283 |
Header compression/decompression apparatus and header compression/decompression method |
Feb. 5, 2008 |
| 7318023 |
Method for detecting the quantization of spectra |
Jan. 8, 2008 |
| 7318035 |
Audio coding systems and methods using spectral component coupling and spectral component regeneration |
Jan. 8, 2008 |
| 7283967 |
Encoding device decoding device |
Oct. 16, 2007 |
| 7283968 |
Method for grouping short windows in audio encoding |
Oct. 16, 2007 |
| 7277860 |
Mechanism for using clamping and offset techniques to adjust the spectral and wideband gains in the feedback loops of a BTSC encoder |
Oct. 2, 2007 |
| 7274738 |
System for improving performance of compression and decompression algorithms in a telecommunication system |
Sep. 25, 2007 |
| 7272567 |
Scalable lossless audio codec and authoring tool |
Sep. 18, 2007 |
| 7269550 |
Encoding device and decoding device |
Sep. 11, 2007 |
| 7246065 |
Band-division encoder utilizing a plurality of encoding units |
Jul. 17, 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 |
| 7212974 |
System and method for compressing and encoding data |
May. 1, 2007 |
| 7209885 |
Compressed code generating method and compressed code decompressing method |
Apr. 24, 2007 |
| 7191136 |
Efficient coding of high frequency signal information in a signal using a linear/non-linear prediction model based on a low pass baseband |
Mar. 13, 2007 |
| 7184961 |
Frequency thinning device and method for compressing information by thinning out frequency components of signal |
Feb. 27, 2007 |
| 7181404 |
Method and apparatus for audio compression |
Feb. 20, 2007 |
| 7162419 |
Method in the decompression of an audio signal |
Jan. 9, 2007 |
| 7139702 |
Encoding device and decoding device |
Nov. 21, 2006 |
| 7126501 |
Floating point type digital signal reversible encoding method, decoding method, devices for them, and programs for them |
Oct. 24, 2006 |
| 7107212 |
Bitstream data reduction coding by applying prediction |
Sep. 12, 2006 |
| 7103555 |
Audio signal processing apparatus |
Sep. 5, 2006 |
| 7096186 |
Device and method for analyzing and representing sound signals in the musical notation |
Aug. 22, 2006 |
| 7092876 |
Audio signal processing apparatus |
Aug. 15, 2006 |
| 7076433 |
Apparatus and program for separating a desired sound from a mixed input sound |
Jul. 11, 2006 |
| 7069212 |
Audio decoding apparatus and method for band expansion with aliasing adjustment |
Jun. 27, 2006 |
| 7069223 |
Compressed code decoding device and audio decoding device |
Jun. 27, 2006 |
| 7058571 |
Audio decoding apparatus and method for band expansion with aliasing suppression |
Jun. 6, 2006 |
| 7050492 |
Matching of a reduced spectrum lighting source with video encoding program variables for increased data compression ratios |
May. 23, 2006 |
|
|
|
