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Class Information
Number: 704/206
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Speech signal processing > For storage or transmission > Frequency > Specialized information
Description: Subject matter wherein the frequency data is analyzed to identify specific speech
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7617094 |
Methods, apparatus, and products for identifying a conversation |
Nov. 10, 2009 |
| 7610196 |
Periodic signal enhancement system |
Oct. 27, 2009 |
| 7587312 |
Method and apparatus for pitch modulation and gender identification of a voice signal |
Sep. 8, 2009 |
| 7565284 |
Acoustic models with structured hidden dynamics with integration over many possible hidden trajectories |
Jul. 21, 2009 |
| 7552048 |
Method and device for performing frame erasure concealment on higher-band signal |
Jun. 23, 2009 |
| 7536298 |
Method of comfort noise generation for speech communication |
May. 19, 2009 |
| 7533015 |
Signal enhancement via noise reduction for speech recognition |
May. 12, 2009 |
| 7516064 |
Adaptive hybrid transform for signal analysis and synthesis |
Apr. 7, 2009 |
| 7512535 |
Adaptive postfiltering methods and systems for decoding speech |
Mar. 31, 2009 |
| RE40691 |
Encoding decoding and compression of audio-type data using reference coefficients located within a band of coefficients |
Mar. 31, 2009 |
| 7505902 |
Discrimination of components of audio signals based on multiscale spectro-temporal modulations |
Mar. 17, 2009 |
| 7499852 |
Audio coding using a shape function |
Mar. 3, 2009 |
| 7493254 |
Pitch determination method and apparatus using spectral analysis |
Feb. 17, 2009 |
| 7492814 |
Method of removing noise and interference from signal using peak picking |
Feb. 17, 2009 |
| 7460990 |
Efficient coding of digital media spectral data using wide-sense perceptual similarity |
Dec. 2, 2008 |
| 7457753 |
Telephone pathology assessment |
Nov. 25, 2008 |
| 7457743 |
Method for improving the coding efficiency of an audio signal |
Nov. 25, 2008 |
| 7433815 |
Method and apparatus for voice transcoding between variable rate coders |
Oct. 7, 2008 |
| 7424427 |
Systems and methods for classifying audio into broad phoneme classes |
Sep. 9, 2008 |
| 7412376 |
System and method for real-time detection and preservation of speech onset in a signal |
Aug. 12, 2008 |
| 7412377 |
Voice model for speech processing based on ordered average ranks of spectral features |
Aug. 12, 2008 |
| 7406356 |
Method for characterizing the timbre of a sound signal in accordance with at least a descriptor |
Jul. 29, 2008 |
| 7395211 |
Modulating one or more parameters of an audio or video perceptual coding system in response to supplemental information |
Jul. 1, 2008 |
| 7386444 |
Hybrid speech coding and system |
Jun. 10, 2008 |
| 7376554 |
Excitation for higher band coding in a codec utilising band split coding methods |
May. 20, 2008 |
| 7376563 |
System for rehabilitation of a hearing disorder |
May. 20, 2008 |
| 7376559 |
Pre-processing speech for speech recognition |
May. 20, 2008 |
| 7366659 |
Methods and devices for selectively generating time-scaled sound signals |
Apr. 29, 2008 |
| 7359856 |
Speech detection system in an audio signal in noisy surrounding |
Apr. 15, 2008 |
| 7346501 |
Compressing messages on a per semantic component basis while maintaining a degree of human readability |
Mar. 18, 2008 |
| 7346500 |
Method of translating a voice signal to a series of discrete tones |
Mar. 18, 2008 |
| 7337112 |
Digital signal coding and decoding methods and apparatuses and programs therefor |
Feb. 26, 2008 |
| 7333931 |
Method for estimating resonance frequencies |
Feb. 19, 2008 |
| 7318035 |
Audio coding systems and methods using spectral component coupling and spectral component regeneration |
Jan. 8, 2008 |
| 7318023 |
Method for detecting the quantization of spectra |
Jan. 8, 2008 |
| 7292973 |
System and method for deploying filters for processing signals |
Nov. 6, 2007 |
| 7292680 |
Automated passcode recovery in an interactive voice response system |
Nov. 6, 2007 |
| 7289951 |
Method for improving the coding efficiency of an audio signal |
Oct. 30, 2007 |
| 7233897 |
Method and apparatus for performing packet loss or frame erasure concealment |
Jun. 19, 2007 |
| 7191123 |
Gain-smoothing in wideband speech and audio signal decoder |
Mar. 13, 2007 |
| 7167827 |
Audio information leaflet system |
Jan. 23, 2007 |
| 7165033 |
Apparatus and methods for detecting emotions in the human voice |
Jan. 16, 2007 |
| 7165025 |
Auditory-articulatory analysis for speech quality assessment |
Jan. 16, 2007 |
| 7139699 |
Method for analysis of vocal jitter for near-term suicidal risk assessment |
Nov. 21, 2006 |
| 7124077 |
Frequency domain postfiltering for quality enhancement of coded speech |
Oct. 17, 2006 |
| 7080006 |
Method for decoding digital audio with error recognition |
Jul. 18, 2006 |
| 7058189 |
Audio monitoring and conversion apparatus and method |
Jun. 6, 2006 |
| 7050967 |
Speech coding system |
May. 23, 2006 |
| 7043423 |
Low bit-rate audio coding systems and methods that use expanding quantizers with arithmetic coding |
May. 9, 2006 |
| 7043424 |
Pitch mark determination using a fundamental frequency based adaptable filter |
May. 9, 2006 |
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