FI111486B - Menetelmä ja laite puhesignaalin äänijakson estimointiin ja luokitteluun digitaalisissa puhekoodereissa - Google Patents
Menetelmä ja laite puhesignaalin äänijakson estimointiin ja luokitteluun digitaalisissa puhekoodereissa Download PDFInfo
- Publication number
- FI111486B FI111486B FI942761A FI942761A FI111486B FI 111486 B FI111486 B FI 111486B FI 942761 A FI942761 A FI 942761A FI 942761 A FI942761 A FI 942761A FI 111486 B FI111486 B FI 111486B
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- Finland
- Prior art keywords
- delay
- frame
- signal
- value
- threshold
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000007774 longterm Effects 0.000 claims abstract description 27
- 238000004458 analytical method Methods 0.000 claims abstract description 20
- 238000001914 filtration Methods 0.000 claims description 6
- 238000009499 grossing Methods 0.000 claims description 4
- 238000001228 spectrum Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000012937 correction Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000011664 signaling Effects 0.000 claims description 2
- 230000000295 complement effect Effects 0.000 claims 1
- 230000006870 function Effects 0.000 description 18
- 230000003595 spectral effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005311 autocorrelation function Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
-
- 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
- G10L19/012—Comfort noise or silence coding
-
- 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
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/90—Pitch determination of speech signals
-
- 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
- G10L2019/0011—Long term prediction filters, i.e. pitch estimation
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)
- Analogue/Digital Conversion (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Time-Division Multiplex Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO930419 | 1993-06-10 | ||
ITTO930419A IT1270438B (it) | 1993-06-10 | 1993-06-10 | Procedimento e dispositivo per la determinazione del periodo del tono fondamentale e la classificazione del segnale vocale in codificatori numerici della voce |
Publications (3)
Publication Number | Publication Date |
---|---|
FI942761A0 FI942761A0 (fi) | 1994-06-10 |
FI942761A FI942761A (fi) | 1994-12-11 |
FI111486B true FI111486B (fi) | 2003-07-31 |
Family
ID=11411549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI942761A FI111486B (fi) | 1993-06-10 | 1994-06-10 | Menetelmä ja laite puhesignaalin äänijakson estimointiin ja luokitteluun digitaalisissa puhekoodereissa |
Country Status (10)
Country | Link |
---|---|
US (1) | US5548680A (fr) |
EP (1) | EP0628947B1 (fr) |
JP (1) | JP3197155B2 (fr) |
AT (1) | ATE170656T1 (fr) |
CA (1) | CA2124643C (fr) |
DE (2) | DE69412913T2 (fr) |
ES (1) | ES2065871T3 (fr) |
FI (1) | FI111486B (fr) |
GR (1) | GR950300013T1 (fr) |
IT (1) | IT1270438B (fr) |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2729246A1 (fr) * | 1995-01-06 | 1996-07-12 | Matra Communication | Procede de codage de parole a analyse par synthese |
KR970017456A (ko) * | 1995-09-30 | 1997-04-30 | 김광호 | 음성신호의 무음 및 무성음 판별방법 및 그 장치 |
US5659622A (en) * | 1995-11-13 | 1997-08-19 | Motorola, Inc. | Method and apparatus for suppressing noise in a communication system |
FI114248B (fi) * | 1997-03-14 | 2004-09-15 | Nokia Corp | Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen |
FI971679A (fi) * | 1997-04-18 | 1998-10-19 | Nokia Telecommunications Oy | Puheen havaitseminen tietoliikennejärjestelmässä |
FI113903B (fi) | 1997-05-07 | 2004-06-30 | Nokia Corp | Puheen koodaus |
US5970441A (en) * | 1997-08-25 | 1999-10-19 | Telefonaktiebolaget Lm Ericsson | Detection of periodicity information from an audio signal |
US5999897A (en) * | 1997-11-14 | 1999-12-07 | Comsat Corporation | Method and apparatus for pitch estimation using perception based analysis by synthesis |
US6023674A (en) * | 1998-01-23 | 2000-02-08 | Telefonaktiebolaget L M Ericsson | Non-parametric voice activity detection |
DE69932786T2 (de) * | 1998-05-11 | 2007-08-16 | Koninklijke Philips Electronics N.V. | Tonhöhenerkennung |
US6415252B1 (en) * | 1998-05-28 | 2002-07-02 | Motorola, Inc. | Method and apparatus for coding and decoding speech |
US7072832B1 (en) * | 1998-08-24 | 2006-07-04 | Mindspeed Technologies, Inc. | System for speech encoding having an adaptive encoding arrangement |
US6507814B1 (en) | 1998-08-24 | 2003-01-14 | Conexant Systems, Inc. | Pitch determination using speech classification and prior pitch estimation |
JP3180786B2 (ja) * | 1998-11-27 | 2001-06-25 | 日本電気株式会社 | 音声符号化方法及び音声符号化装置 |
US6691084B2 (en) * | 1998-12-21 | 2004-02-10 | Qualcomm Incorporated | Multiple mode variable rate speech coding |
FI116992B (fi) | 1999-07-05 | 2006-04-28 | Nokia Corp | Menetelmät, järjestelmä ja laitteet audiosignaalin koodauksen ja siirron tehostamiseksi |
US6782360B1 (en) * | 1999-09-22 | 2004-08-24 | Mindspeed Technologies, Inc. | Gain quantization for a CELP speech coder |
US6959274B1 (en) * | 1999-09-22 | 2005-10-25 | Mindspeed Technologies, Inc. | Fixed rate speech compression system and method |
KR100388488B1 (ko) * | 2000-12-27 | 2003-06-25 | 한국전자통신연구원 | 유성음 구간에서의 고속 피치 탐색 방법 |
US6876965B2 (en) | 2001-02-28 | 2005-04-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Reduced complexity voice activity detector |
FR2825505B1 (fr) * | 2001-06-01 | 2003-09-05 | France Telecom | Procede d'extraction de la frequence fondamentale d'un signal sonore au moyen d'un dispositif mettant en oeuvre un algorithme d'autocorrelation |
US7177304B1 (en) * | 2002-01-03 | 2007-02-13 | Cisco Technology, Inc. | Devices, softwares and methods for prioritizing between voice data packets for discard decision purposes |
USH2172H1 (en) * | 2002-07-02 | 2006-09-05 | The United States Of America As Represented By The Secretary Of The Air Force | Pitch-synchronous speech processing |
AU2003248029B2 (en) * | 2002-09-17 | 2005-12-08 | Canon Kabushiki Kaisha | Audio Object Classification Based on Statistically Derived Semantic Information |
DE102005002195A1 (de) * | 2005-01-17 | 2006-07-27 | Siemens Ag | Verfahren und Anordnung zur Regeneration eines optischen Datensignals |
US7707034B2 (en) * | 2005-05-31 | 2010-04-27 | Microsoft Corporation | Audio codec post-filter |
KR100717396B1 (ko) | 2006-02-09 | 2007-05-11 | 삼성전자주식회사 | 로컬 스펙트럴 정보를 이용하여 음성 인식을 위한 유성음을판단하는 방법 및 장치 |
JP4827661B2 (ja) * | 2006-08-30 | 2011-11-30 | 富士通株式会社 | 信号処理方法及び装置 |
JP5229234B2 (ja) * | 2007-12-18 | 2013-07-03 | 富士通株式会社 | 非音声区間検出方法及び非音声区間検出装置 |
CN101599272B (zh) * | 2008-12-30 | 2011-06-08 | 华为技术有限公司 | 基音搜索方法及装置 |
CN101604525B (zh) * | 2008-12-31 | 2011-04-06 | 华为技术有限公司 | 基音增益获取方法、装置及编码器、解码器 |
GB2466675B (en) * | 2009-01-06 | 2013-03-06 | Skype | Speech coding |
GB2466673B (en) | 2009-01-06 | 2012-11-07 | Skype | Quantization |
GB2466671B (en) | 2009-01-06 | 2013-03-27 | Skype | Speech encoding |
US9142220B2 (en) | 2011-03-25 | 2015-09-22 | The Intellisis Corporation | Systems and methods for reconstructing an audio signal from transformed audio information |
US8548803B2 (en) | 2011-08-08 | 2013-10-01 | The Intellisis Corporation | System and method of processing a sound signal including transforming the sound signal into a frequency-chirp domain |
US8620646B2 (en) | 2011-08-08 | 2013-12-31 | The Intellisis Corporation | System and method for tracking sound pitch across an audio signal using harmonic envelope |
US9183850B2 (en) | 2011-08-08 | 2015-11-10 | The Intellisis Corporation | System and method for tracking sound pitch across an audio signal |
US10423650B1 (en) * | 2014-03-05 | 2019-09-24 | Hrl Laboratories, Llc | System and method for identifying predictive keywords based on generalized eigenvector ranks |
US9922668B2 (en) | 2015-02-06 | 2018-03-20 | Knuedge Incorporated | Estimating fractional chirp rate with multiple frequency representations |
US9870785B2 (en) | 2015-02-06 | 2018-01-16 | Knuedge Incorporated | Determining features of harmonic signals |
US9842611B2 (en) | 2015-02-06 | 2017-12-12 | Knuedge Incorporated | Estimating pitch using peak-to-peak distances |
US10390589B2 (en) | 2016-03-15 | 2019-08-27 | Nike, Inc. | Drive mechanism for automated footwear platform |
FR3056813B1 (fr) * | 2016-09-29 | 2019-11-08 | Dolphin Integration | Circuit audio et procede de detection d'activite |
EP3306609A1 (fr) * | 2016-10-04 | 2018-04-11 | Fraunhofer Gesellschaft zur Förderung der Angewand | Procede et appareil de determination d'informations de pas |
EP3483884A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Filtrage de signal |
EP3483883A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codage et décodage de signaux audio avec postfiltrage séléctif |
EP3483880A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mise en forme de bruit temporel |
WO2019091576A1 (fr) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codeurs audio, décodeurs audio, procédés et programmes informatiques adaptant un codage et un décodage de bits les moins significatifs |
EP3483882A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Contrôle de la bande passante dans des codeurs et/ou des décodeurs |
EP3483879A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Fonction de fenêtrage d'analyse/de synthèse pour une transformation chevauchante modulée |
EP3483878A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Décodeur audio supportant un ensemble de différents outils de dissimulation de pertes |
EP3483886A1 (fr) * | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Sélection de délai tonal |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5359696A (en) * | 1988-06-28 | 1994-10-25 | Motorola Inc. | Digital speech coder having improved sub-sample resolution long-term predictor |
DE69133296T2 (de) * | 1990-02-22 | 2004-01-29 | Nec Corp | Sprachcodierer |
CA2051304C (fr) * | 1990-09-18 | 1996-03-05 | Tomohiko Taniguchi | Systeme de codage et de decodage de paroles |
JPH04264600A (ja) * | 1991-02-20 | 1992-09-21 | Fujitsu Ltd | 音声符号化装置および音声復号装置 |
US5233660A (en) * | 1991-09-10 | 1993-08-03 | At&T Bell Laboratories | Method and apparatus for low-delay celp speech coding and decoding |
-
1993
- 1993-06-10 IT ITTO930419A patent/IT1270438B/it active IP Right Grant
-
1994
- 1994-05-17 US US08/243,295 patent/US5548680A/en not_active Expired - Lifetime
- 1994-05-30 CA CA002124643A patent/CA2124643C/fr not_active Expired - Lifetime
- 1994-06-09 DE DE69412913T patent/DE69412913T2/de not_active Expired - Lifetime
- 1994-06-09 ES ES94108874T patent/ES2065871T3/es not_active Expired - Lifetime
- 1994-06-09 AT AT94108874T patent/ATE170656T1/de active
- 1994-06-09 DE DE0628947T patent/DE628947T1/de active Pending
- 1994-06-09 EP EP94108874A patent/EP0628947B1/fr not_active Expired - Lifetime
- 1994-06-09 JP JP15057194A patent/JP3197155B2/ja not_active Expired - Lifetime
- 1994-06-10 FI FI942761A patent/FI111486B/fi not_active IP Right Cessation
-
1995
- 1995-03-31 GR GR950300013T patent/GR950300013T1/el unknown
Also Published As
Publication number | Publication date |
---|---|
DE69412913T2 (de) | 1999-02-18 |
EP0628947A1 (fr) | 1994-12-14 |
JPH0728499A (ja) | 1995-01-31 |
ES2065871T1 (es) | 1995-03-01 |
ITTO930419A1 (it) | 1994-12-10 |
FI942761A0 (fi) | 1994-06-10 |
IT1270438B (it) | 1997-05-05 |
EP0628947B1 (fr) | 1998-09-02 |
DE69412913D1 (de) | 1998-10-08 |
DE628947T1 (de) | 1995-08-03 |
GR950300013T1 (en) | 1995-03-31 |
FI942761A (fi) | 1994-12-11 |
ES2065871T3 (es) | 1998-10-16 |
CA2124643A1 (fr) | 1994-12-11 |
ITTO930419A0 (it) | 1993-06-10 |
JP3197155B2 (ja) | 2001-08-13 |
US5548680A (en) | 1996-08-20 |
ATE170656T1 (de) | 1998-09-15 |
CA2124643C (fr) | 1998-07-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GB | Transfer or assigment of application |
Owner name: TELECOM ITALIA S.P.A. |
|
MA | Patent expired |