| |
 |
|
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 |
| 7606711 |
Audio signal processing device, signal recovering device, audio signal processing method and signal recovering method |
Oct. 20, 2009 |
| 7596493 |
System and method for supporting multiple speech codecs |
Sep. 29, 2009 |
| 7596492 |
Apparatus and method for concealing highband error in split-band wideband voice codec and decoding |
Sep. 29, 2009 |
| 7596491 |
Layered CELP system and method |
Sep. 29, 2009 |
| 7596490 |
Low bit-rate audio encoding |
Sep. 29, 2009 |
| 7590525 |
Frame erasure concealment for predictive speech coding based on extrapolation of speech waveform |
Sep. 15, 2009 |
| 7587313 |
Audio coding |
Sep. 8, 2009 |
| 7587315 |
Concealment of frame erasures and method |
Sep. 8, 2009 |
| 7577567 |
Multimode speech coding apparatus and decoding apparatus |
Aug. 18, 2009 |
| 7558224 |
Management of packet-based audio devices within acoustic spaces |
Jul. 7, 2009 |
| 7548852 |
Quality of decoded audio by adding noise |
Jun. 16, 2009 |
| 7525952 |
Method and apparatus for determining the source of user-perceived voice quality degradation in a network telephony environment |
Apr. 28, 2009 |
| 7523032 |
Speech coding method, device, coding module, system and software program product for pre-processing the phase structure of a to be encoded speech signal to match the phase structure of the dec |
Apr. 21, 2009 |
| 7519532 |
Transcoding EVRC to G.729ab |
Apr. 14, 2009 |
| 7496504 |
Method and apparatus for searching for combined fixed codebook in CELP speech codec |
Feb. 24, 2009 |
| 7490036 |
Adaptive equalizer for a coded speech signal |
Feb. 10, 2009 |
| 7483830 |
Speech decoder and a method for decoding speech |
Jan. 27, 2009 |
| 7475011 |
Greedy algorithm for identifying values for vocal tract resonance vectors |
Jan. 6, 2009 |
| 7472059 |
Method and apparatus for robust speech classification |
Dec. 30, 2008 |
| 7472056 |
Transcoder for speech codecs of different CELP type and method therefor |
Dec. 30, 2008 |
| 7467083 |
Data processing apparatus |
Dec. 16, 2008 |
| 7454328 |
Speech encoding system, and speech encoding method |
Nov. 18, 2008 |
| 7450699 |
Method and system for call answer while connected to voice mail |
Nov. 11, 2008 |
| 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 |
| 7346503 |
Transmitter and receiver for speech coding and decoding by using additional bit allocation method |
Mar. 18, 2008 |
| 7346110 |
Multi-channel signal encoding and decoding |
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 |
|
|
|
