TW326070B - The estimation method of the impulse gain for coding vocoder - Google Patents
The estimation method of the impulse gain for coding vocoderInfo
- Publication number
- TW326070B TW326070B TW085115665A TW85115665A TW326070B TW 326070 B TW326070 B TW 326070B TW 085115665 A TW085115665 A TW 085115665A TW 85115665 A TW85115665 A TW 85115665A TW 326070 B TW326070 B TW 326070B
- Authority
- TW
- Taiwan
- Prior art keywords
- impulse
- gain
- estimation method
- decision unit
- unit
- Prior art date
Links
- 238000000034 method Methods 0.000 title 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
- G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0012—Smoothing of parameters of the decoder interpolation
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)
- Data Exchanges In Wide-Area Networks (AREA)
- Telephonic Communication Services (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW085115665A TW326070B (en) | 1996-12-19 | 1996-12-19 | The estimation method of the impulse gain for coding vocoder |
US08/851,223 US5953697A (en) | 1996-12-19 | 1997-05-05 | Gain estimation scheme for LPC vocoders with a shape index based on signal envelopes |
DE19722705A DE19722705A1 (de) | 1996-12-19 | 1997-05-30 | Verfahren zur Abschätzung der Verstärkung zur Sprachkodierung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW085115665A TW326070B (en) | 1996-12-19 | 1996-12-19 | The estimation method of the impulse gain for coding vocoder |
Publications (1)
Publication Number | Publication Date |
---|---|
TW326070B true TW326070B (en) | 1998-02-01 |
Family
ID=21625621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW085115665A TW326070B (en) | 1996-12-19 | 1996-12-19 | The estimation method of the impulse gain for coding vocoder |
Country Status (3)
Country | Link |
---|---|
US (1) | US5953697A (zh) |
DE (1) | DE19722705A1 (zh) |
TW (1) | TW326070B (zh) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6993480B1 (en) * | 1998-11-03 | 2006-01-31 | Srs Labs, Inc. | Voice intelligibility enhancement system |
US7092881B1 (en) * | 1999-07-26 | 2006-08-15 | Lucent Technologies Inc. | Parametric speech codec for representing synthetic speech in the presence of background noise |
CA2290037A1 (en) * | 1999-11-18 | 2001-05-18 | Voiceage Corporation | Gain-smoothing amplifier device and method in codecs for wideband speech and audio signals |
US6539349B1 (en) * | 2000-02-15 | 2003-03-25 | Lucent Technologies Inc. | Constraining pulse positions in CELP vocoding |
DE10026872A1 (de) | 2000-04-28 | 2001-10-31 | Deutsche Telekom Ag | Verfahren zur Berechnung einer Sprachaktivitätsentscheidung (Voice Activity Detector) |
DE10031832C2 (de) * | 2000-06-30 | 2003-04-30 | Cochlear Ltd | Hörgerät zur Rehabilitation einer Hörstörung |
US20030120484A1 (en) * | 2001-06-12 | 2003-06-26 | David Wong | Method and system for generating colored comfort noise in the absence of silence insertion description packets |
US7512535B2 (en) * | 2001-10-03 | 2009-03-31 | Broadcom Corporation | Adaptive postfiltering methods and systems for decoding speech |
US20030135374A1 (en) * | 2002-01-16 | 2003-07-17 | Hardwick John C. | Speech synthesizer |
US20030187663A1 (en) | 2002-03-28 | 2003-10-02 | Truman Michael Mead | Broadband frequency translation for high frequency regeneration |
US7860256B1 (en) * | 2004-04-09 | 2010-12-28 | Apple Inc. | Artificial-reverberation generating device |
BRPI0510303A (pt) * | 2004-04-27 | 2007-10-02 | Matsushita Electric Ind Co Ltd | dispositivo de codificação escalável, dispositivo de decodificação escalável, e seu método |
ATE394774T1 (de) * | 2004-05-19 | 2008-05-15 | Matsushita Electric Ind Co Ltd | Kodierungs-, dekodierungsvorrichtung und methode dafür |
RU2469419C2 (ru) | 2007-03-05 | 2012-12-10 | Телефонактиеболагет Лм Эрикссон (Пабл) | Способ и устройство для управления сглаживанием стационарного фонового шума |
EP3629328A1 (en) | 2007-03-05 | 2020-04-01 | Telefonaktiebolaget LM Ericsson (publ) | Method and arrangement for smoothing of stationary background noise |
CN100550712C (zh) * | 2007-11-05 | 2009-10-14 | 华为技术有限公司 | 一种信号处理方法和处理装置 |
CN101207665B (zh) * | 2007-11-05 | 2010-12-08 | 华为技术有限公司 | 一种衰减因子的获取方法 |
DE102008042579B4 (de) * | 2008-10-02 | 2020-07-23 | Robert Bosch Gmbh | Verfahren zur Fehlerverdeckung bei fehlerhafter Übertragung von Sprachdaten |
EP2246845A1 (en) * | 2009-04-21 | 2010-11-03 | Siemens Medical Instruments Pte. Ltd. | Method and acoustic signal processing device for estimating linear predictive coding coefficients |
US9626982B2 (en) | 2011-02-15 | 2017-04-18 | Voiceage Corporation | Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a CELP codec |
CA2821577C (en) * | 2011-02-15 | 2020-03-24 | Voiceage Corporation | Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a celp codec |
EP3089164A1 (en) * | 2011-11-02 | 2016-11-02 | Telefonaktiebolaget LM Ericsson (publ) | Generation of a high band extension of a bandwidth extended audio signal |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0332228A (ja) * | 1989-06-29 | 1991-02-12 | Fujitsu Ltd | ゲイン―シェイプ・ベクトル量子化方式 |
US5664055A (en) * | 1995-06-07 | 1997-09-02 | Lucent Technologies Inc. | CS-ACELP speech compression system with adaptive pitch prediction filter gain based on a measure of periodicity |
-
1996
- 1996-12-19 TW TW085115665A patent/TW326070B/zh active
-
1997
- 1997-05-05 US US08/851,223 patent/US5953697A/en not_active Expired - Fee Related
- 1997-05-30 DE DE19722705A patent/DE19722705A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE19722705A1 (de) | 1998-07-02 |
US5953697A (en) | 1999-09-14 |
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