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Class Information
Number: 704/228
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Speech signal processing > For storage or transmission > Noise > Post-transmission
Description: Subject matter wherein decoding after transmission minimizes the effects of noise
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7624009 |
Method and system for producing variable length context models |
Nov. 24, 2009 |
| 7620544 |
Method and apparatus for detecting speech segments in speech signal processing |
Nov. 17, 2009 |
| 7617098 |
Method of noise reduction based on dynamic aspects of speech |
Nov. 10, 2009 |
| 7617099 |
Noise suppression by two-channel tandem spectrum modification for speech signal in an automobile |
Nov. 10, 2009 |
| 7613611 |
Method and apparatus for vocal-cord signal recognition |
Nov. 3, 2009 |
| 7606704 |
Quality assessment tool |
Oct. 20, 2009 |
| 7606705 |
Speech data receiver with detection of channel-coding rate |
Oct. 20, 2009 |
| 7596494 |
Method and apparatus for high resolution speech reconstruction |
Sep. 29, 2009 |
| 7593851 |
Precision piecewise polynomial approximation for Ephraim-Malah filter |
Sep. 22, 2009 |
| 7593850 |
Methods for collecting media segments in a media signal via comparing segments of the signal to later segments |
Sep. 22, 2009 |
| 7590531 |
Robust decoder |
Sep. 15, 2009 |
| 7590523 |
Speech post-processing using MDCT coefficients |
Sep. 15, 2009 |
| 7587315 |
Concealment of frame erasures and method |
Sep. 8, 2009 |
| 7577567 |
Multimode speech coding apparatus and decoding apparatus |
Aug. 18, 2009 |
| 7574352 |
2-D processing of speech |
Aug. 11, 2009 |
| 7562013 |
Method for recovering target speech based on amplitude distributions of separated signals |
Jul. 14, 2009 |
| 7542900 |
Noise reduction using correction vectors based on dynamic aspects of speech and noise normalization |
Jun. 2, 2009 |
| 7539615 |
Audio signal quality enhancement in a digital network |
May. 26, 2009 |
| 7536301 |
System and method for implementing real-time adaptive threshold triggering in acoustic detection systems |
May. 19, 2009 |
| 7533017 |
Method for recovering target speech based on speech segment detection under a stationary noise |
May. 12, 2009 |
| 7526432 |
Apparatus and method for producing a data stream and apparatus and method for reading a data stream |
Apr. 28, 2009 |
| 7516067 |
Method and apparatus using harmonic-model-based front end for robust speech recognition |
Apr. 7, 2009 |
| 7512535 |
Adaptive postfiltering methods and systems for decoding speech |
Mar. 31, 2009 |
| 7509255 |
Apparatuses for adaptively controlling processing of speech signal and adaptively communicating speech in accordance with conditions of transmitting apparatus side and radio wave and methods t |
Mar. 24, 2009 |
| 7502735 |
Speech signal transmission apparatus and method that multiplex and packetize coded information |
Mar. 10, 2009 |
| 7499856 |
Estimation method and apparatus of overall conversational quality taking into account the interaction between quality factors |
Mar. 3, 2009 |
| 7496507 |
Digitized audio data reproduction apparatus, and integrated circuit device to output audio signals |
Feb. 24, 2009 |
| 7493255 |
Generating LSF vectors |
Feb. 17, 2009 |
| 7490044 |
Audio signal processing |
Feb. 10, 2009 |
| 7487084 |
Apparatus, program storage device and method for testing speech recognition in the mobile environment of a vehicle |
Feb. 3, 2009 |
| 7478040 |
Method for adaptive filtering |
Jan. 13, 2009 |
| 7464029 |
Robust separation of speech signals in a noisy environment |
Dec. 9, 2008 |
| 7457749 |
Noise-robust feature extraction using multi-layer principal component analysis |
Nov. 25, 2008 |
| 7454333 |
Separating multiple audio signals recorded as a single mixed signal |
Nov. 18, 2008 |
| 7453963 |
Subtractive cancellation of harmonic noise |
Nov. 18, 2008 |
| 7451092 |
Detection of signal modifications in audio streams with embedded code |
Nov. 11, 2008 |
| 7447630 |
Method and apparatus for multi-sensory speech enhancement |
Nov. 4, 2008 |
| 7440892 |
Method, device and program for extracting and recognizing voice |
Oct. 21, 2008 |
| 7436786 |
Telecommunications system for minimizing the effect of white noise data packets for the generation of required white noise on transmission channel utilization |
Oct. 14, 2008 |
| 7436969 |
Method and system for optimizing denoising parameters using compressibility |
Oct. 14, 2008 |
| 7433822 |
Method and apparatus for encoding and decoding pause information |
Oct. 7, 2008 |
| 7433825 |
Apparatus and method for producing a data stream and apparatus and method for reading a data stream |
Oct. 7, 2008 |
| 7430255 |
Impulse noise suppression device |
Sep. 30, 2008 |
| 7426465 |
Speech signal decoding method and apparatus using decoded information smoothed to produce reconstructed speech signal to enhanced quality |
Sep. 16, 2008 |
| 7412375 |
Speech quality assessment with noise masking |
Aug. 12, 2008 |
| 7406411 |
Bit error concealment methods for speech coding |
Jul. 29, 2008 |
| 7403895 |
Control system outputting received speech with display of a predetermined effect or image corresponding to its ambient noise power spectrum |
Jul. 22, 2008 |
| 7401022 |
Processing a speech frame in a radio system |
Jul. 15, 2008 |
| 7383179 |
Method of cascading noise reduction algorithms to avoid speech distortion |
Jun. 3, 2008 |
| 7383177 |
Method for speech coding, method for speech decoding and their apparatuses |
Jun. 3, 2008 |
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