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Class Information
Number: 704/221
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Speech signal processing > For storage or transmission > Pattern matching vocoders
Description: Subject matter wherein speech
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7627571 |
Extraction of anchor explanatory text by mining repeated patterns |
Dec. 1, 2009 |
| 7613606 |
Speech codecs |
Nov. 3, 2009 |
| 7613607 |
Audio enhancement in coded domain |
Nov. 3, 2009 |
| 7599833 |
Apparatus and method for coding residual signals of audio signals into a frequency domain and apparatus and method for decoding the same |
Oct. 6, 2009 |
| 7599834 |
Method and apparatus of voice mixing for conferencing amongst diverse networks |
Oct. 6, 2009 |
| 7596493 |
System and method for supporting multiple speech codecs |
Sep. 29, 2009 |
| 7580834 |
Fixed sound source vector generation method and fixed sound source codebook |
Aug. 25, 2009 |
| 7577566 |
Method for encoding sound source of probabilistic code book |
Aug. 18, 2009 |
| 7571094 |
Circuits, processes, devices and systems for codebook search reduction in speech coders |
Aug. 4, 2009 |
| 7565287 |
Methods and apparatus for efficient vocoder implementations |
Jul. 21, 2009 |
| 7562021 |
Modification of codewords in dictionary used for efficient coding of digital media spectral data |
Jul. 14, 2009 |
| 7546238 |
Digital circuit transmission device |
Jun. 9, 2009 |
| 7536305 |
Mixed lossless audio compression |
May. 19, 2009 |
| 7529663 |
Method for flexible bit rate code vector generation and wideband vocoder employing the same |
May. 5, 2009 |
| 7519533 |
Fixed codebook searching apparatus and fixed codebook searching method |
Apr. 14, 2009 |
| 7519532 |
Transcoding EVRC to G.729ab |
Apr. 14, 2009 |
| 7505764 |
Method for retransmitting a speech packet |
Mar. 17, 2009 |
| 7499403 |
Control component removal of one or more encoded frames from isochronous telecommunication stream based on one or more code rates of the one or more encoded frames to create non-isochronous te |
Mar. 3, 2009 |
| 7496505 |
Variable rate speech coding |
Feb. 24, 2009 |
| 7490036 |
Adaptive equalizer for a coded speech signal |
Feb. 10, 2009 |
| 7486719 |
Transcoder and code conversion method |
Feb. 3, 2009 |
| 7480614 |
Energy feature extraction method for noisy speech recognition |
Jan. 20, 2009 |
| 7451091 |
Method for determining time borders and frequency resolutions for spectral envelope coding |
Nov. 11, 2008 |
| 7433815 |
Method and apparatus for voice transcoding between variable rate coders |
Oct. 7, 2008 |
| 7406410 |
Encoding and decoding method and apparatus using rising-transition detection and notification |
Jul. 29, 2008 |
| 7398205 |
Code excited linear prediction speech decoder and method thereof |
Jul. 8, 2008 |
| 7395202 |
Method and apparatus to facilitate vocoder erasure processing |
Jul. 1, 2008 |
| 7386447 |
Speech coder and method |
Jun. 10, 2008 |
| 7363218 |
Method and apparatus for fast CELP parameter mapping |
Apr. 22, 2008 |
| 7315814 |
Method and apparatus providing adaptive multi-rate speech coding |
Jan. 1, 2008 |
| 7295970 |
Unsupervised speaker segmentation of multi-speaker speech data |
Nov. 13, 2007 |
| 7266496 |
Speech recognition system |
Sep. 4, 2007 |
| 7254533 |
Method and apparatus for a thin CELP voice codec |
Aug. 7, 2007 |
| 7251598 |
Speech coder/decoder |
Jul. 31, 2007 |
| 7233896 |
Regular-pulse excitation speech coder |
Jun. 19, 2007 |
| 7227994 |
Method and apparatus for imbedded pattern recognition using dual alternating pointers |
Jun. 5, 2007 |
| 7222070 |
Hybrid speech coding and system |
May. 22, 2007 |
| 7222069 |
Voice code conversion apparatus |
May. 22, 2007 |
| 7191126 |
Sound encoder and sound decoder performing multiplexing and demultiplexing on main codes in an order determined by auxiliary codes |
Mar. 13, 2007 |
| 7184953 |
Transcoding method and system between CELP-based speech codes with externally provided status |
Feb. 27, 2007 |
| 7181000 |
Voice transmission device and voice transmission system |
Feb. 20, 2007 |
| 7177863 |
System and method for determining internal parameters of a data clustering program |
Feb. 13, 2007 |
| 7143030 |
Parametric compression/decompression modes for quantization matrices for digital audio |
Nov. 28, 2006 |
| 7139700 |
Hybrid speech coding and system |
Nov. 21, 2006 |
| 7136811 |
Low bandwidth speech communication using default and personal phoneme tables |
Nov. 14, 2006 |
| 7136812 |
Variable rate speech coding |
Nov. 14, 2006 |
| 7127390 |
Rate determination coding |
Oct. 24, 2006 |
| 7120578 |
Silence description coding for multi-rate speech codecs |
Oct. 10, 2006 |
| 7107208 |
Dual mode radio mobile terminal in which an analog or digital mode is determined by request of a voice function |
Sep. 12, 2006 |
| 7092875 |
Speech transcoding method and apparatus for silence compression |
Aug. 15, 2006 |
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