DE59408494D1 - Verfahren zur aufbereitung von daten, insbesondere von codierten sprachsignalparametern - Google Patents
Verfahren zur aufbereitung von daten, insbesondere von codierten sprachsignalparameternInfo
- Publication number
- DE59408494D1 DE59408494D1 DE59408494T DE59408494T DE59408494D1 DE 59408494 D1 DE59408494 D1 DE 59408494D1 DE 59408494 T DE59408494 T DE 59408494T DE 59408494 T DE59408494 T DE 59408494T DE 59408494 D1 DE59408494 D1 DE 59408494D1
- Authority
- DE
- Germany
- Prior art keywords
- voice signal
- processing data
- signal parameters
- coded voice
- especially coded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
- G10L19/002—Dynamic bit allocation
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/038—Vector quantisation, e.g. TwinVQ audio
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4315319A DE4315319C2 (de) | 1993-05-07 | 1993-05-07 | Verfahren zur Aufbereitung von Daten, insbesondere von codierten Sprachsignalparametern |
| PCT/DE1994/000433 WO1994027284A1 (de) | 1993-05-07 | 1994-04-20 | Verfahren zur aufbereitung von daten, insbesondere von codierten sprachsignalparametern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE59408494D1 true DE59408494D1 (de) | 1999-08-19 |
Family
ID=6487542
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE4315319A Expired - Lifetime DE4315319C2 (de) | 1993-05-07 | 1993-05-07 | Verfahren zur Aufbereitung von Daten, insbesondere von codierten Sprachsignalparametern |
| DE59408494T Expired - Lifetime DE59408494D1 (de) | 1993-05-07 | 1994-04-20 | Verfahren zur aufbereitung von daten, insbesondere von codierten sprachsignalparametern |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE4315319A Expired - Lifetime DE4315319C2 (de) | 1993-05-07 | 1993-05-07 | Verfahren zur Aufbereitung von Daten, insbesondere von codierten Sprachsignalparametern |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5794183A (de) |
| EP (1) | EP0697123B1 (de) |
| AU (1) | AU679980B2 (de) |
| DE (2) | DE4315319C2 (de) |
| DK (1) | DK0697123T3 (de) |
| ES (1) | ES2136193T3 (de) |
| FI (1) | FI116598B (de) |
| HU (1) | HU215620B (de) |
| WO (1) | WO1994027284A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7729918B2 (en) * | 2001-03-14 | 2010-06-01 | At&T Intellectual Property Ii, Lp | Trainable sentence planning system |
| US7046636B1 (en) | 2001-11-26 | 2006-05-16 | Cisco Technology, Inc. | System and method for adaptively improving voice quality throughout a communication session |
| US20070286351A1 (en) * | 2006-05-23 | 2007-12-13 | Cisco Technology, Inc. | Method and System for Adaptive Media Quality Monitoring |
| US8248953B2 (en) | 2007-07-25 | 2012-08-21 | Cisco Technology, Inc. | Detecting and isolating domain specific faults |
| US7948910B2 (en) * | 2008-03-06 | 2011-05-24 | Cisco Technology, Inc. | Monitoring quality of a packet flow in packet-based communication networks |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE266620C (de) * | ||||
| IT1195350B (it) * | 1986-10-21 | 1988-10-12 | Cselt Centro Studi Lab Telecom | Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante estrazione di para metri e tecniche di quantizzazione vettoriale |
| US4969192A (en) * | 1987-04-06 | 1990-11-06 | Voicecraft, Inc. | Vector adaptive predictive coder for speech and audio |
| US4817157A (en) * | 1988-01-07 | 1989-03-28 | Motorola, Inc. | Digital speech coder having improved vector excitation source |
| EP0364647B1 (de) * | 1988-10-19 | 1995-02-22 | International Business Machines Corporation | Vektorquantisierungscodierer |
| JPH02272500A (ja) * | 1989-04-13 | 1990-11-07 | Fujitsu Ltd | コード駆動音声符号化方式 |
| WO1990013112A1 (en) * | 1989-04-25 | 1990-11-01 | Kabushiki Kaisha Toshiba | Voice encoder |
| US5091945A (en) * | 1989-09-28 | 1992-02-25 | At&T Bell Laboratories | Source dependent channel coding with error protection |
| JP3151874B2 (ja) * | 1991-02-26 | 2001-04-03 | 日本電気株式会社 | 音声パラメータ符号化方式および装置 |
| US5233660A (en) * | 1991-09-10 | 1993-08-03 | At&T Bell Laboratories | Method and apparatus for low-delay celp speech coding and decoding |
-
1993
- 1993-05-07 DE DE4315319A patent/DE4315319C2/de not_active Expired - Lifetime
-
1994
- 1994-04-20 HU HU9503181A patent/HU215620B/hu unknown
- 1994-04-20 AU AU65024/94A patent/AU679980B2/en not_active Expired
- 1994-04-20 EP EP94912471A patent/EP0697123B1/de not_active Expired - Lifetime
- 1994-04-20 DK DK94912471T patent/DK0697123T3/da active
- 1994-04-20 WO PCT/DE1994/000433 patent/WO1994027284A1/de active IP Right Grant
- 1994-04-20 US US08/530,204 patent/US5794183A/en not_active Expired - Lifetime
- 1994-04-20 DE DE59408494T patent/DE59408494D1/de not_active Expired - Lifetime
- 1994-04-20 ES ES94912471T patent/ES2136193T3/es not_active Expired - Lifetime
-
1995
- 1995-11-06 FI FI955323A patent/FI116598B/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FI955323A (fi) | 1995-11-06 |
| EP0697123A1 (de) | 1996-02-21 |
| EP0697123B1 (de) | 1999-07-14 |
| AU679980B2 (en) | 1997-07-17 |
| HU9503181D0 (en) | 1995-12-28 |
| ES2136193T3 (es) | 1999-11-16 |
| HU215620B (hu) | 1999-01-28 |
| WO1994027284A1 (de) | 1994-11-24 |
| US5794183A (en) | 1998-08-11 |
| FI955323A0 (fi) | 1995-11-06 |
| DE4315319C2 (de) | 2002-11-14 |
| DE4315319A1 (de) | 1994-11-10 |
| FI116598B (fi) | 2005-12-30 |
| AU6502494A (en) | 1994-12-12 |
| DK0697123T3 (da) | 1999-12-13 |
| HUT73532A (en) | 1996-08-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: IPCOM GMBH & CO. KG, 82049 PULLACH, DE |
|
| 8380 | Miscellaneous part iii |
Free format text: PFANDRECHT |