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Class Information
Number: 704/227
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Speech signal processing > For storage or transmission > Noise > Pretransmission
Description: Subject matter wherein the coding precedes transmission.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620544 |
Method and apparatus for detecting speech segments in speech signal processing |
Nov. 17, 2009 |
| 7599836 |
Voice recording system, recording device, voice analysis device, voice recording method and program |
Oct. 6, 2009 |
| 7596494 |
Method and apparatus for high resolution speech reconstruction |
Sep. 29, 2009 |
| 7593850 |
Methods for collecting media segments in a media signal via comparing segments of the signal to later segments |
Sep. 22, 2009 |
| 7574357 |
Applications of sub-audible speech recognition based upon electromyographic signals |
Aug. 11, 2009 |
| 7542900 |
Noise reduction using correction vectors based on dynamic aspects of speech and noise normalization |
Jun. 2, 2009 |
| 7516067 |
Method and apparatus using harmonic-model-based front end for robust speech recognition |
Apr. 7, 2009 |
| 7499851 |
System and method for deploying filters for processing signals |
Mar. 3, 2009 |
| 7478042 |
Speech decoder that detects stationary noise signal regions |
Jan. 13, 2009 |
| 7454332 |
Gain constrained noise suppression |
Nov. 18, 2008 |
| 7447640 |
Acoustic signal encoding method and apparatus, acoustic signal decoding method and apparatus and recording medium |
Nov. 4, 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 |
| 7437284 |
Methods and systems for language boundary detection |
Oct. 14, 2008 |
| 7430255 |
Impulse noise suppression device |
Sep. 30, 2008 |
| 7426464 |
Signal processing apparatus and method for reducing noise and interference in speech communication and speech recognition |
Sep. 16, 2008 |
| 7383178 |
System and method for speech processing using independent component analysis under stability constraints |
Jun. 3, 2008 |
| 7379863 |
Method and device for reducing scheduling delay in a digital communication system |
May. 27, 2008 |
| 7373297 |
Automated speech recognition filter |
May. 13, 2008 |
| 7366662 |
Separation of target acoustic signals in a multi-transducer arrangement |
Apr. 29, 2008 |
| 7330738 |
Apparatus and method for canceling residual echo in a mobile terminal of a mobile communication system |
Feb. 12, 2008 |
| 7318028 |
Method and apparatus for determining an estimate |
Jan. 8, 2008 |
| 7305337 |
Method and apparatus for speech coding and decoding |
Dec. 4, 2007 |
| 7283956 |
Noise suppression |
Oct. 16, 2007 |
| 7277848 |
Measuring and using reliability of complexity estimates during quality and rate control for digital audio |
Oct. 2, 2007 |
| 7266236 |
Accelerated handwritten symbol recognition in a pen based tablet computer |
Sep. 4, 2007 |
| 7197456 |
On-line parametric histogram normalization for noise robust speech recognition |
Mar. 27, 2007 |
| 7191126 |
Sound encoder and sound decoder performing multiplexing and demultiplexing on main codes in an order determined by auxiliary codes |
Mar. 13, 2007 |
| 7146316 |
Noise reduction in subbanded speech signals |
Dec. 5, 2006 |
| 7136630 |
Methods of recording voice signals in a mobile set |
Nov. 14, 2006 |
| 7107209 |
Speech communication apparatus with gain control for clear communication |
Sep. 12, 2006 |
| 7065486 |
Linear prediction based noise suppression |
Jun. 20, 2006 |
| 7054808 |
Noise suppressing apparatus and noise suppressing method |
May. 30, 2006 |
| 7035797 |
Data-driven filtering of cepstral time trajectories for robust speech recognition |
Apr. 25, 2006 |
| 7024357 |
Tone detector with noise detection and dynamic thresholding for robust performance |
Apr. 4, 2006 |
| 7013272 |
Amplitude masking of spectra for speech recognition method and apparatus |
Mar. 14, 2006 |
| 7003451 |
Apparatus and method applying adaptive spectral whitening in a high-frequency reconstruction coding system |
Feb. 21, 2006 |
| 6996524 |
Speech enhancement device |
Feb. 7, 2006 |
| 6965860 |
Speech processing apparatus and method measuring signal to noise ratio and scaling speech and noise |
Nov. 15, 2005 |
| 6959276 |
Including the category of environmental noise when processing speech signals |
Oct. 25, 2005 |
| 6940967 |
Multirate speech codecs |
Sep. 6, 2005 |
| 6934679 |
Error resilient scalable audio coding |
Aug. 23, 2005 |
| 6859779 |
Communication apparatus |
Feb. 22, 2005 |
| 6772118 |
Automated speech recognition filter |
Aug. 3, 2004 |
| 6766293 |
Method for signalling a noise substitution during audio signal coding |
Jul. 20, 2004 |
| 6738738 |
Automated transformation from American English to British English |
May. 18, 2004 |
| 6687663 |
Audio processing method and apparatus |
Feb. 3, 2004 |
| 6662155 |
Method and system for comfort noise generation in speech communication |
Dec. 9, 2003 |
| 6647367 |
Noise suppression circuit |
Nov. 11, 2003 |
| 6643619 |
Method for reducing interference in acoustic signals using an adaptive filtering method involving spectral subtraction |
Nov. 4, 2003 |
| RE38269 |
Enhancement of speech coding in background noise for low-rate speech coder |
Oct. 7, 2003 |
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