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Class Information
Number: 704/262
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Speech signal processing > Synthesis > Linear prediction
Description: Subject matter wherein the component parts are represented by coefficients derived from a sequence of past speech
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5819224 |
Split matrix quantization |
Oct. 6, 1998 |
| 5809468 |
Voice recording and reproducing apparatus having function for initializing contents of adaptive code book |
Sep. 15, 1998 |
| 5794182 |
Linear predictive speech encoding systems with efficient combination pitch coefficients computation |
Aug. 11, 1998 |
| 5794199 |
Method and system for improved discontinuous speech transmission |
Aug. 11, 1998 |
| 5787390 |
Method for linear predictive analysis of an audiofrequency signal, and method for coding and decoding an audiofrequency signal including application thereof |
Jul. 28, 1998 |
| 5778335 |
Method and apparatus for efficient multiband celp wideband speech and music coding and decoding |
Jul. 7, 1998 |
| 5774837 |
Speech coding system and method using voicing probability determination |
Jun. 30, 1998 |
| 5761635 |
Method and apparatus for implementing a long-term synthesis filter |
Jun. 2, 1998 |
| 5752223 |
Code-excited linear predictive coder and decoder with conversion filter for converting stochastic and impulsive excitation signals |
May. 12, 1998 |
| 5740320 |
Text-to-speech synthesis by concatenation using or modifying clustered phoneme waveforms on basis of cluster parameter centroids |
Apr. 14, 1998 |
| 5732188 |
Method for the modification of LPC coefficients of acoustic signals |
Mar. 24, 1998 |
| 5729655 |
Method and apparatus for speech compression using multi-mode code excited linear predictive coding |
Mar. 17, 1998 |
| 5719993 |
Long term predictor |
Feb. 17, 1998 |
| 5719994 |
Determination of an excitation vector in CELP encoder |
Feb. 17, 1998 |
| 5717827 |
Text-to-speech system using vector quantization based speech enconding/decoding |
Feb. 10, 1998 |
| 5717822 |
Computational complexity reduction during frame erasure of packet loss |
Feb. 10, 1998 |
| 5701392 |
Depth-first algebraic-codebook search for fast coding of speech |
Dec. 23, 1997 |
| 5698807 |
Digital sampling instrument |
Dec. 16, 1997 |
| 5696875 |
Method and system for compressing a speech signal using nonlinear prediction |
Dec. 9, 1997 |
| 5696873 |
Vocoder system and method for performing pitch estimation using an adaptive correlation sample window |
Dec. 9, 1997 |
| 5694521 |
Variable speed playback system |
Dec. 2, 1997 |
| 5684920 |
Acoustic signal transform coding method and decoding method having a high efficiency envelope flattening method therein |
Nov. 4, 1997 |
| 5673362 |
Speech synthesis system in which a plurality of clients and at least one voice synthesizing server are connected to a local area network |
Sep. 30, 1997 |
| 5668924 |
Digital sound recording and reproduction device using a coding technique to compress data for reduction of memory requirements |
Sep. 16, 1997 |
| 5659658 |
Method for converting speech using lossless tube models of vocals tracts |
Aug. 19, 1997 |
| 5642464 |
Methods and apparatus for noise conditioning in digital speech compression systems using linear predictive coding |
Jun. 24, 1997 |
| 5642466 |
Intonation adjustment in text-to-speech systems |
Jun. 24, 1997 |
| 5621853 |
Burst excited linear prediction |
Apr. 15, 1997 |
| 5602961 |
Method and apparatus for speech compression using multi-mode code excited linear predictive coding |
Feb. 11, 1997 |
| 5596676 |
Mode-specific method and apparatus for encoding signals containing speech |
Jan. 21, 1997 |
| 5579437 |
Pitch epoch synchronous linear predictive coding vocoder and method |
Nov. 26, 1996 |
| 5553192 |
Apparatus for noise removal during the silence periods in the discontinuous transmission of speech signals to a mobile unit |
Sep. 3, 1996 |
| 5548680 |
Method and device for speech signal pitch period estimation and classification in digital speech coders |
Aug. 20, 1996 |
| 5506899 |
Voice suppressor |
Apr. 9, 1996 |
| 5483619 |
Method and apparatus for editing an audio signal |
Jan. 9, 1996 |
| 5475712 |
Voice coding communication system and apparatus therefor |
Dec. 12, 1995 |
| 5450449 |
Linear prediction coefficient generation during frame erasure or packet loss |
Sep. 12, 1995 |
| 5444816 |
Dynamic codebook for efficient speech coding based on algebraic codes |
Aug. 22, 1995 |
| 5432883 |
Voice coding apparatus with synthesized speech LPC code book |
Jul. 11, 1995 |
| 5353408 |
Noise suppressor |
Oct. 4, 1994 |
| 5305421 |
Low bit rate speech coding system and compression |
Apr. 19, 1994 |
| 5165008 |
Speech synthesis using perceptual linear prediction parameters |
Nov. 17, 1992 |
| 4944014 |
Method for synthesizing echo effect from digital speech data |
Jul. 24, 1990 |
| 4776014 |
Method for pitch-aligned high-frequency regeneration in RELP vocoders |
Oct. 4, 1988 |
| 4752956 |
Digital speech coder with baseband residual coding |
Jun. 21, 1988 |
| 4709340 |
Digital speech synthesizer |
Nov. 24, 1987 |
| 4709390 |
Speech message code modifying arrangement |
Nov. 24, 1987 |
| 4658424 |
Speech synthesis integrated circuit device having variable frame rate capability |
Apr. 14, 1987 |
| 4618982 |
Digital speech processing system having reduced encoding bit requirements |
Oct. 21, 1986 |
| 4521907 |
Multiplier/adder circuit |
Jun. 4, 1985 |
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