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Class Information
Number: 704/217
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Speech signal processing > For storage or transmission > Time > Correlation function > Autocorrelation
Description: Subject matter wherein the relationships are between different speech
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7613604 |
System for bandwidth extension of narrow-band speech |
Nov. 3, 2009 |
| 7606701 |
Method and apparatus for determining emotional arousal by speech analysis |
Oct. 20, 2009 |
| 7593848 |
Auto-correlators with DC and CW cancellation |
Sep. 22, 2009 |
| 7565286 |
Method for recovery of lost speech data |
Jul. 21, 2009 |
| 7529662 |
LPC-to-MELP transcoder |
May. 5, 2009 |
| 7487083 |
Method and apparatus for discriminating speech from voice-band data in a communication network |
Feb. 3, 2009 |
| 7472059 |
Method and apparatus for robust speech classification |
Dec. 30, 2008 |
| 7457746 |
Pitch prediction for packet loss concealment |
Nov. 25, 2008 |
| 7457744 |
Method of estimating pitch by using ratio of maximum peak to candidate for maximum of autocorrelation function and device using the method |
Nov. 25, 2008 |
| 7433358 |
Characterization of impaired intervals in a voice over packet session using audio frame loss concealment |
Oct. 7, 2008 |
| 7415416 |
Voice activated device |
Aug. 19, 2008 |
| 7412384 |
Digital signal processing method, learning method, apparatuses for them, and program storage medium |
Aug. 12, 2008 |
| 7411528 |
Apparatus and method of processing an audio signal |
Aug. 12, 2008 |
| 7403893 |
Method and apparatus for reconstructing voice information |
Jul. 22, 2008 |
| 7289952 |
Excitation vector generator, speech coder and speech decoder |
Oct. 30, 2007 |
| 7266496 |
Speech recognition system |
Sep. 4, 2007 |
| 7187730 |
Method and apparatus for predicting CCK subsymbols |
Mar. 6, 2007 |
| 7139701 |
Method for detecting and attenuating inhalation noise in a communication system |
Nov. 21, 2006 |
| 7035790 |
Speech processing system |
Apr. 25, 2006 |
| 7027980 |
Method for modeling speech harmonic magnitudes |
Apr. 11, 2006 |
| 7013267 |
Method and apparatus for reconstructing voice information |
Mar. 14, 2006 |
| 7003057 |
Reception AGC circuit |
Feb. 21, 2006 |
| 6996291 |
Systems and methods for correlating images in an image correlation system with reduced computational loads |
Feb. 7, 2006 |
| RE38889 |
Pitch period extracting apparatus of speech signal |
Nov. 22, 2005 |
| 6954726 |
Method and device for estimating the pitch of a speech signal using a binary signal |
Oct. 11, 2005 |
| 6883015 |
Apparatus and method for providing server state and attribute management for multiple-threaded voice enabled web applications |
Apr. 19, 2005 |
| 6873955 |
Method and apparatus for recording/reproducing or producing a waveform using time position information |
Mar. 29, 2005 |
| 6842731 |
Prediction parameter analysis apparatus and a prediction parameter analysis method |
Jan. 11, 2005 |
| 6775650 |
Method for conditioning a digital speech signal |
Aug. 10, 2004 |
| 6765514 |
Method and apparatus for providing fast data recovery with adaptive pulse code modulation coding |
Jul. 20, 2004 |
| 6708146 |
Voiceband signal classifier |
Mar. 16, 2004 |
| 6640208 |
Voiced/unvoiced speech classifier |
Oct. 28, 2003 |
| 6615174 |
Voice conversion system and methodology |
Sep. 2, 2003 |
| 6564243 |
Method and system for injecting external content into computer network interactive sessions |
May. 13, 2003 |
| 6496794 |
Method and apparatus for seamless multi-rate speech coding |
Dec. 17, 2002 |
| 6487529 |
Audio processing device, receiver and filtering method for filtering a useful signal and restoring it in the presence of ambient noise |
Nov. 26, 2002 |
| 6463408 |
Systems and methods for improving power spectral estimation of speech signals |
Oct. 8, 2002 |
| 6418407 |
Method and apparatus for pitch determination of a low bit rate digital voice message |
Jul. 9, 2002 |
| 6415252 |
Method and apparatus for coding and decoding speech |
Jul. 2, 2002 |
| 6314392 |
Method and apparatus for clustering-based signal segmentation |
Nov. 6, 2001 |
| 6304843 |
Method and apparatus for reconstructing a linear prediction filter excitation signal |
Oct. 16, 2001 |
| 6289309 |
Noise spectrum tracking for speech enhancement |
Sep. 11, 2001 |
| 6243672 |
Speech encoding/decoding method and apparatus using a pitch reliability measure |
Jun. 5, 2001 |
| 6233551 |
Method and apparatus for determining multiband voicing levels using frequency shifting method in vocoder |
May. 15, 2001 |
| 6223152 |
Multiple impulse excitation speech encoder and decoder |
Apr. 24, 2001 |
| 6212546 |
Providing a modular gateway architecture which isolates attributes of the client and server systems into independent components |
Apr. 3, 2001 |
| 6208958 |
Pitch determination apparatus and method using spectro-temporal autocorrelation |
Mar. 27, 2001 |
| 6199035 |
Pitch-lag estimation in speech coding |
Mar. 6, 2001 |
| 6167373 |
Linear prediction coefficient analyzing apparatus for the auto-correlation function of a digital speech signal |
Dec. 26, 2000 |
| 6163765 |
Subband normalization, transformation, and voiceness to recognize phonemes for text messaging in a radio communication system |
Dec. 19, 2000 |
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