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Class Information
Number: 704/205
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Speech signal processing > For storage or transmission > Frequency
Description: Subject matter wherein the speech
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7127389 |
Method for encoding and decoding spectral phase data for speech signals |
Oct. 24, 2006 |
| 7124076 |
Encoding apparatus and decoding apparatus |
Oct. 17, 2006 |
| 7120575 |
Method and system for the automatic segmentation of an audio stream into semantic or syntactic units |
Oct. 10, 2006 |
| 7120587 |
Sinusoidal model based coding of audio signals |
Oct. 10, 2006 |
| 7099830 |
Effective deployment of temporal noise shaping (TNS) filters |
Aug. 29, 2006 |
| 7096182 |
Communication system noise cancellation power signal calculation techniques |
Aug. 22, 2006 |
| 7089178 |
Multistream network feature processing for a distributed speech recognition system |
Aug. 8, 2006 |
| 7085721 |
Method and apparatus for fundamental frequency extraction or detection in speech |
Aug. 1, 2006 |
| 7082394 |
Noise-robust feature extraction using multi-layer principal component analysis |
Jul. 25, 2006 |
| 7080017 |
Frequency compander for a telephone line |
Jul. 18, 2006 |
| 7069212 |
Audio decoding apparatus and method for band expansion with aliasing adjustment |
Jun. 27, 2006 |
| 7069210 |
Method of and system for coding and decoding sound signals |
Jun. 27, 2006 |
| 7062431 |
Speech analyzing stage and method for analyzing a speech signal |
Jun. 13, 2006 |
| 7062430 |
Designing boundary filters for a biorthogonal filter bank |
Jun. 13, 2006 |
| 7062443 |
Methods and apparatus for evaluating near-term suicidal risk using vocal parameters |
Jun. 13, 2006 |
| 7058571 |
Audio decoding apparatus and method for band expansion with aliasing suppression |
Jun. 6, 2006 |
| 7051203 |
Data watermarks created by using an uneven sampling period |
May. 23, 2006 |
| 7047186 |
Voice decoder, voice decoding method and program for decoding voice signals |
May. 16, 2006 |
| 7043423 |
Low bit-rate audio coding systems and methods that use expanding quantizers with arithmetic coding |
May. 9, 2006 |
| 7039581 |
Hybrid speed coding and system |
May. 2, 2006 |
| 7035791 |
Feature-domain concatenative speech synthesis |
Apr. 25, 2006 |
| 7035867 |
Determining redundancies in content object directories |
Apr. 25, 2006 |
| 7031921 |
System for monitoring audio content available over a network |
Apr. 18, 2006 |
| 7027979 |
Method and apparatus for speech reconstruction within a distributed speech recognition system |
Apr. 11, 2006 |
| 7024353 |
Distributed speech recognition with back-end voice activity detection apparatus and method |
Apr. 4, 2006 |
| 7013274 |
Speech feature extraction system |
Mar. 14, 2006 |
| 7010480 |
Controlling a weighting filter based on the spectral content of a speech signal |
Mar. 7, 2006 |
| 7003451 |
Apparatus and method applying adaptive spectral whitening in a high-frequency reconstruction coding system |
Feb. 21, 2006 |
| 7003467 |
Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio |
Feb. 21, 2006 |
| 6978241 |
Transmission system for transmitting an audio signal |
Dec. 20, 2005 |
| 6973424 |
Voice coder |
Dec. 6, 2005 |
| 6970819 |
Speech synthesis device |
Nov. 29, 2005 |
| 6892175 |
Spread spectrum signaling for speech watermarking |
May. 10, 2005 |
| 6889182 |
Speech bandwidth extension |
May. 3, 2005 |
| 6889183 |
Apparatus and method of regenerating a lost audio segment |
May. 3, 2005 |
| 6879953 |
Speech recognition with request level determination |
Apr. 12, 2005 |
| 6871106 |
Audio signal coding apparatus, audio signal decoding apparatus, and audio signal coding and decoding apparatus |
Mar. 22, 2005 |
| 6868377 |
Multiband phase-vocoder for the modification of audio or speech signals |
Mar. 15, 2005 |
| 6850884 |
Selection of coding parameters based on spectral content of a speech signal |
Feb. 1, 2005 |
| 6842733 |
Signal processing system for filtering spectral content of a signal for speech coding |
Jan. 11, 2005 |
| 6829939 |
Method and apparatus for measuring sound that takes hearing characteristics into consideration |
Dec. 14, 2004 |
| 6829578 |
Tone features for speech recognition |
Dec. 7, 2004 |
| 6826600 |
Methods and apparatus for managing objects in a client-server computing system environment |
Nov. 30, 2004 |
| 6826527 |
Concealment of frame erasures and method |
Nov. 30, 2004 |
| 6820052 |
Low bit-rate coding of unvoiced segments of speech |
Nov. 16, 2004 |
| 6816832 |
Transmission of comfort noise parameters during discontinuous transmission |
Nov. 9, 2004 |
| 6807526 |
Method of and apparatus for processing at least one coded binary audio flux organized into frames |
Oct. 19, 2004 |
| 6801886 |
System and method for enhancing MPEG audio encoder quality |
Oct. 5, 2004 |
| 6799158 |
Method and system for generating a characteristic identifier for digital data and for detecting identical digital data |
Sep. 28, 2004 |
| 6785644 |
Alternate window compression/decompression method, apparatus, and system |
Aug. 31, 2004 |
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