ATE308099T1 - Verfahren und vorrichtung zur rekonstruktion eines anregungssignals für einen linear- prädiktiven filter - Google Patents
Verfahren und vorrichtung zur rekonstruktion eines anregungssignals für einen linear- prädiktiven filterInfo
- Publication number
- ATE308099T1 ATE308099T1 AT00100065T AT00100065T ATE308099T1 AT E308099 T1 ATE308099 T1 AT E308099T1 AT 00100065 T AT00100065 T AT 00100065T AT 00100065 T AT00100065 T AT 00100065T AT E308099 T1 ATE308099 T1 AT E308099T1
- Authority
- AT
- Austria
- Prior art keywords
- reconstructing
- excitation signal
- signal
- linear predictive
- predictive filter
- Prior art date
Links
- 230000005284 excitation Effects 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 238000001228 spectrum Methods 0.000 abstract 2
- 238000003786 synthesis reaction Methods 0.000 abstract 2
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
- G10L19/04—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
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/226,914 US6304843B1 (en) | 1999-01-05 | 1999-01-05 | Method and apparatus for reconstructing a linear prediction filter excitation signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE308099T1 true ATE308099T1 (de) | 2005-11-15 |
Family
ID=22850961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT00100065T ATE308099T1 (de) | 1999-01-05 | 2000-01-05 | Verfahren und vorrichtung zur rekonstruktion eines anregungssignals für einen linear- prädiktiven filter |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6304843B1 (de) |
| EP (1) | EP1018726B1 (de) |
| AT (1) | ATE308099T1 (de) |
| DE (1) | DE60023366T2 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7065485B1 (en) * | 2002-01-09 | 2006-06-20 | At&T Corp | Enhancing speech intelligibility using variable-rate time-scale modification |
| US20090222268A1 (en) * | 2008-03-03 | 2009-09-03 | Qnx Software Systems (Wavemakers), Inc. | Speech synthesis system having artificial excitation signal |
| US10176835B1 (en) | 2018-06-22 | 2019-01-08 | Western Digital Technologies, Inc. | Data storage device employing predictive oversampling for servo control |
| CN113571079B (zh) * | 2021-02-08 | 2025-07-11 | 腾讯科技(深圳)有限公司 | 语音增强方法、装置、设备及存储介质 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5293448A (en) * | 1989-10-02 | 1994-03-08 | Nippon Telegraph And Telephone Corporation | Speech analysis-synthesis method and apparatus therefor |
| US5517595A (en) * | 1994-02-08 | 1996-05-14 | At&T Corp. | Decomposition in noise and periodic signal waveforms in waveform interpolation |
| US5754974A (en) * | 1995-02-22 | 1998-05-19 | Digital Voice Systems, Inc | Spectral magnitude representation for multi-band excitation speech coders |
| US5701390A (en) * | 1995-02-22 | 1997-12-23 | Digital Voice Systems, Inc. | Synthesis of MBE-based coded speech using regenerated phase information |
| FR2734389B1 (fr) * | 1995-05-17 | 1997-07-18 | Proust Stephane | Procede d'adaptation du niveau de masquage du bruit dans un codeur de parole a analyse par synthese utilisant un filtre de ponderation perceptuelle a court terme |
| IT1277194B1 (it) * | 1995-06-28 | 1997-11-05 | Alcatel Italia | Metodo e relativi apparati di codifica e di decodifica di un segnale vocale campionato |
| US5774837A (en) * | 1995-09-13 | 1998-06-30 | Voxware, Inc. | Speech coding system and method using voicing probability determination |
| US6041297A (en) * | 1997-03-10 | 2000-03-21 | At&T Corp | Vocoder for coding speech by using a correlation between spectral magnitudes and candidate excitations |
| US6070137A (en) * | 1998-01-07 | 2000-05-30 | Ericsson Inc. | Integrated frequency-domain voice coding using an adaptive spectral enhancement filter |
| US6067511A (en) * | 1998-07-13 | 2000-05-23 | Lockheed Martin Corp. | LPC speech synthesis using harmonic excitation generator with phase modulator for voiced speech |
| US6119082A (en) * | 1998-07-13 | 2000-09-12 | Lockheed Martin Corporation | Speech coding system and method including harmonic generator having an adaptive phase off-setter |
-
1999
- 1999-01-05 US US09/226,914 patent/US6304843B1/en not_active Expired - Lifetime
-
2000
- 2000-01-05 DE DE60023366T patent/DE60023366T2/de not_active Expired - Fee Related
- 2000-01-05 EP EP00100065A patent/EP1018726B1/de not_active Expired - Lifetime
- 2000-01-05 AT AT00100065T patent/ATE308099T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1018726B1 (de) | 2005-10-26 |
| EP1018726A2 (de) | 2000-07-12 |
| DE60023366D1 (de) | 2005-12-01 |
| DE60023366T2 (de) | 2006-04-20 |
| EP1018726A3 (de) | 2002-04-03 |
| US6304843B1 (en) | 2001-10-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE246836T1 (de) | Vorrichtung und verfahren zur wiederherstellung des hochfrequenzanteils eines überabgetasteten synthetisierten breitbandsignals | |
| EP0731449A3 (de) | Verfahren zur Modifikation von LPC-Koeffizienten von akustischen Signalen | |
| CN101336451B (zh) | 音频信号编码的方法和装置 | |
| EP0785631A3 (de) | Formung des erkennbaren Rauschsignals in der Zeitdomäne mittels LPC-Voraussage im Frequenzraum | |
| UA94041C2 (ru) | Способ и устройство для фильтрации, устраняющей разреженность | |
| EP0714089A3 (de) | CELP-Koder und Dekoder mit Konversionsfilter für die Konversion von stochastischen und Impuls-Anregungssignalen | |
| EP1164578A3 (de) | Verfahren und Vorrichtung zur Sprachkodierung und -dekodierung | |
| WO2000023986A8 (en) | Method and apparatus for a tunable high-resolution spectral estimator | |
| CA2736065A1 (en) | Audio coding system using characteristics of a decoded signal to adapt synthesized spectral components | |
| DE69933188D1 (de) | Verfahren und Vorrichtung für die Extraktion von Formant basierten Quellenfilterdaten unter Verwendung einer Kostenfunktion und invertierte Filterung für die Sprachkodierung und Synthese | |
| SG161224A1 (en) | Method and apparatus for anti-sparseness filtering of a bandwidth extended speech prediction excitation signal | |
| ATE364220T1 (de) | Verfahren und vorrichtung zur verschleierung von rahmenausfall von prädiktionskodierter sprache unter verwendung von extrapolation der wellenform | |
| DE60316517D1 (de) | Verfahren und Vorrichtung zur Aufnahme von Störsignalen | |
| DE60035848D1 (de) | Vorrichtung, Verfahren und Aufzeichnungsmedium zur Sprachsynthese | |
| ATE273593T1 (de) | Verfahren und vorrichtung zur echokompensation | |
| EP0899718A3 (de) | Nichtlinearer Filter zur Geräuschunterdrückung in linearen Prädiktions-Sprachkodierungs-Vorrichtungen | |
| DE50311552D1 (de) | Vorrichtung und verfahren zum erzeugen einer komplexen spektraldarstellung eines zeitdiskreten signals | |
| DE69607423D1 (de) | Verfahren zur Beseitigung von Cyanwasserstoff aus Synthesegas | |
| EP0766230A3 (de) | Verfahren und Vorrichtung zur Sprachkodierung | |
| DE69610915D1 (de) | Verfahren zur quantisierung des verstärkungsfaktors für die linear-prädiktive sprachkodierung mittels analyse-durch-synthese | |
| ATE308099T1 (de) | Verfahren und vorrichtung zur rekonstruktion eines anregungssignals für einen linear- prädiktiven filter | |
| EP1727130A3 (de) | Sprachdekodierverfahren und Sprachdekodierer | |
| DE69637008D1 (de) | Verfahren zur Videokompression mittels Teilbandzerlegung | |
| EP0867862A3 (de) | Vorrichtung zur Kodierung und Dekodierung von Sprach- und Musiksignalen | |
| DE69512099D1 (de) | Verfahren und Vorrichtung zur adaptiven Subband-Analyse und -Synthese |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |