IT1277194B1 - Metodo e relativi apparati di codifica e di decodifica di un segnale vocale campionato - Google Patents
Metodo e relativi apparati di codifica e di decodifica di un segnale vocale campionatoInfo
- Publication number
- IT1277194B1 IT1277194B1 IT95MI001379A ITMI951379A IT1277194B1 IT 1277194 B1 IT1277194 B1 IT 1277194B1 IT 95MI001379 A IT95MI001379 A IT 95MI001379A IT MI951379 A ITMI951379 A IT MI951379A IT 1277194 B1 IT1277194 B1 IT 1277194B1
- Authority
- IT
- Italy
- Prior art keywords
- championship
- decoding
- coding
- voice signal
- related apparatus
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT95MI001379A IT1277194B1 (it) | 1995-06-28 | 1995-06-28 | Metodo e relativi apparati di codifica e di decodifica di un segnale vocale campionato |
EP96109160A EP0751492A3 (en) | 1995-06-28 | 1996-06-07 | Method and equipment for coding and decoding a sampled speech signal |
AU56169/96A AU714555B2 (en) | 1995-06-28 | 1996-06-24 | Coding/decoding a sampled speech signal |
US08/670,510 US5809456A (en) | 1995-06-28 | 1996-06-27 | Voiced speech coding and decoding using phase-adapted single excitation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT95MI001379A IT1277194B1 (it) | 1995-06-28 | 1995-06-28 | Metodo e relativi apparati di codifica e di decodifica di un segnale vocale campionato |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI951379A0 ITMI951379A0 (it) | 1995-06-28 |
ITMI951379A1 ITMI951379A1 (it) | 1996-12-28 |
IT1277194B1 true IT1277194B1 (it) | 1997-11-05 |
Family
ID=11371877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT95MI001379A IT1277194B1 (it) | 1995-06-28 | 1995-06-28 | Metodo e relativi apparati di codifica e di decodifica di un segnale vocale campionato |
Country Status (4)
Country | Link |
---|---|
US (1) | US5809456A (it) |
EP (1) | EP0751492A3 (it) |
AU (1) | AU714555B2 (it) |
IT (1) | IT1277194B1 (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6304843B1 (en) * | 1999-01-05 | 2001-10-16 | Motorola, Inc. | Method and apparatus for reconstructing a linear prediction filter excitation signal |
DE69937907T2 (de) * | 1999-04-19 | 2008-12-24 | Fujitsu Ltd., Kawasaki | Sprachkodiererprozessor und sprachkodierungsmethode |
US6397175B1 (en) * | 1999-07-19 | 2002-05-28 | Qualcomm Incorporated | Method and apparatus for subsampling phase spectrum information |
US6996523B1 (en) * | 2001-02-13 | 2006-02-07 | Hughes Electronics Corporation | Prototype waveform magnitude quantization for a frequency domain interpolative speech codec system |
US6931373B1 (en) * | 2001-02-13 | 2005-08-16 | Hughes Electronics Corporation | Prototype waveform phase modeling for a frequency domain interpolative speech codec system |
US7013269B1 (en) * | 2001-02-13 | 2006-03-14 | Hughes Electronics Corporation | Voicing measure for a speech CODEC system |
US6871176B2 (en) * | 2001-07-26 | 2005-03-22 | Freescale Semiconductor, Inc. | Phase excited linear prediction encoder |
ES2732859T3 (es) * | 2014-05-01 | 2019-11-26 | Nippon Telegraph & Telephone | Codificador, descodificador, método de codificación, método de descodificación, programa de codificación, programa de descodificación y medio de grabación |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5067158A (en) * | 1985-06-11 | 1991-11-19 | Texas Instruments Incorporated | Linear predictive residual representation via non-iterative spectral reconstruction |
JPH0738116B2 (ja) * | 1986-07-30 | 1995-04-26 | 日本電気株式会社 | マルチパルス符号化装置 |
FR2700632B1 (fr) * | 1993-01-21 | 1995-03-24 | France Telecom | Système de codage-décodage prédictif d'un signal numérique de parole par transformée adaptative à codes imbriqués. |
JP2800618B2 (ja) * | 1993-02-09 | 1998-09-21 | 日本電気株式会社 | 音声パラメータ符号化方式 |
WO1994023426A1 (en) * | 1993-03-26 | 1994-10-13 | Motorola Inc. | Vector quantizer method and apparatus |
US5517595A (en) * | 1994-02-08 | 1996-05-14 | At&T Corp. | Decomposition in noise and periodic signal waveforms in waveform interpolation |
-
1995
- 1995-06-28 IT IT95MI001379A patent/IT1277194B1/it active IP Right Grant
-
1996
- 1996-06-07 EP EP96109160A patent/EP0751492A3/en not_active Withdrawn
- 1996-06-24 AU AU56169/96A patent/AU714555B2/en not_active Ceased
- 1996-06-27 US US08/670,510 patent/US5809456A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ITMI951379A0 (it) | 1995-06-28 |
ITMI951379A1 (it) | 1996-12-28 |
EP0751492A2 (en) | 1997-01-02 |
AU5616996A (en) | 1997-01-09 |
AU714555B2 (en) | 2000-01-06 |
EP0751492A3 (en) | 1998-03-04 |
US5809456A (en) | 1998-09-15 |
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