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Class Information
Number: 704/220
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Speech signal processing > For storage or transmission > Analysis by synthesis
Description: Subject matter wherein the speech
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7430507 |
Frequency domain format enhancement |
Sep. 30, 2008 |
| 7424423 |
Method and apparatus for formant tracking using a residual model |
Sep. 9, 2008 |
| 7379866 |
Simple noise suppression model |
May. 27, 2008 |
| 7373298 |
Apparatus and method for coding excitation signal |
May. 13, 2008 |
| 7366661 |
Information extracting device |
Apr. 29, 2008 |
| 7363217 |
Method for analyzing energy consistency to process data |
Apr. 22, 2008 |
| 7359855 |
LPAS speech coder using vector quantized, multi-codebook, multi-tap pitch predictor |
Apr. 15, 2008 |
| 7356465 |
Perfected device and method for the spatialization of sound |
Apr. 8, 2008 |
| 7353168 |
Method and apparatus to eliminate discontinuities in adaptively filtered signals |
Apr. 1, 2008 |
| 7346110 |
Multi-channel signal encoding and decoding |
Mar. 18, 2008 |
| 7346503 |
Transmitter and receiver for speech coding and decoding by using additional bit allocation method |
Mar. 18, 2008 |
| 7337109 |
Multiple step adaptive method for time scaling |
Feb. 26, 2008 |
| 7302386 |
Focused search method of fixed codebook and apparatus thereof |
Nov. 27, 2007 |
| 7295974 |
Encoding in speech compression |
Nov. 13, 2007 |
| 7289953 |
Apparatus and method for speech coding |
Oct. 30, 2007 |
| 7283955 |
Source coding enhancement using spectral-band replication |
Oct. 16, 2007 |
| 7280960 |
Sub-band voice codec with multi-stage codebooks and redundant coding |
Oct. 9, 2007 |
| 7272555 |
Fine granularity scalability speech coding for multi-pulses CELP-based algorithm |
Sep. 18, 2007 |
| 7263481 |
Method and apparatus for improved quality voice transcoding |
Aug. 28, 2007 |
| 7260523 |
Sub-band speech coding system |
Aug. 21, 2007 |
| 7254534 |
Method and device for encoding wideband speech |
Aug. 7, 2007 |
| 7251598 |
Speech coder/decoder |
Jul. 31, 2007 |
| 7233896 |
Regular-pulse excitation speech coder |
Jun. 19, 2007 |
| 7228272 |
Continuous time warping for low bit-rate CELP coding |
Jun. 5, 2007 |
| 7212965 |
Robust parameters for noisy speech recognition |
May. 1, 2007 |
| 7212971 |
Control apparatus for enabling a user to communicate by speech with a processor-controlled apparatus |
May. 1, 2007 |
| 7209878 |
Noise feedback coding method and system for efficiently searching vector quantization codevectors used for coding a speech signal |
Apr. 24, 2007 |
| 7206740 |
Efficient excitation quantization in noise feedback coding with general noise shaping |
Apr. 17, 2007 |
| 7200552 |
Gradient descent optimization of linear prediction coefficients for speech coders |
Apr. 3, 2007 |
| 7197454 |
Audio coding |
Mar. 27, 2007 |
| 7194408 |
CELP encoding/decoding method and apparatus |
Mar. 20, 2007 |
| 7174291 |
Noise suppression circuit for a wireless device |
Feb. 6, 2007 |
| 7171354 |
Audio decoder and coding error compensating method |
Jan. 30, 2007 |
| 7171355 |
Method and apparatus for one-stage and two-stage noise feedback coding of speech and audio signals |
Jan. 30, 2007 |
| 7149683 |
Method and device for robust predictive vector quantization of linear prediction parameters in variable bit rate speech coding |
Dec. 12, 2006 |
| 7146311 |
CELP encoding/decoding method and apparatus |
Dec. 5, 2006 |
| 7127399 |
Voice processing method and voice processing device |
Oct. 24, 2006 |
| 7110942 |
Efficient excitation quantization in a noise feedback coding system using correlation techniques |
Sep. 19, 2006 |
| 7089179 |
Voice coding method, voice coding apparatus, and voice decoding apparatus |
Aug. 8, 2006 |
| 7089180 |
Method and device for coding speech in analysis-by-synthesis speech coders |
Aug. 8, 2006 |
| 7085714 |
Receiver for encoding speech signal using a weighted synthesis filter |
Aug. 1, 2006 |
| 7069210 |
Method of and system for coding and decoding sound signals |
Jun. 27, 2006 |
| 7062429 |
Distortion-based method and apparatus for buffer control in a communication system |
Jun. 13, 2006 |
| 7062439 |
Speech synthesis apparatus and method |
Jun. 13, 2006 |
| 7062432 |
Method and apparatus for improved weighting filters in a CELP encoder |
Jun. 13, 2006 |
| 7054807 |
Optimizing encoder for efficiently determining analysis-by-synthesis codebook-related parameters |
May. 30, 2006 |
| 7050924 |
Test signalling |
May. 23, 2006 |
| 7050970 |
Parametric coding of an audio or speech signal |
May. 23, 2006 |
| 7047188 |
Method and apparatus for improvement coding of the subframe gain in a speech coding system |
May. 16, 2006 |
| 7047184 |
Speech coding apparatus and speech decoding apparatus |
May. 16, 2006 |
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