CA1243122A - Traitement des formes d'ondes acoustiques - Google Patents
Traitement des formes d'ondes acoustiquesInfo
- Publication number
- CA1243122A CA1243122A CA000504354A CA504354A CA1243122A CA 1243122 A CA1243122 A CA 1243122A CA 000504354 A CA000504354 A CA 000504354A CA 504354 A CA504354 A CA 504354A CA 1243122 A CA1243122 A CA 1243122A
- Authority
- CA
- Canada
- Prior art keywords
- frequency
- frame
- waveform
- components
- series
- 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
Links
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- 238000000034 method Methods 0.000 claims abstract description 75
- 238000004458 analytical method Methods 0.000 claims abstract description 18
- 230000003595 spectral effect Effects 0.000 claims abstract description 5
- 230000005284 excitation Effects 0.000 claims description 19
- 238000005070 sampling Methods 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 9
- 230000003044 adaptive effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000002194 synthesizing effect Effects 0.000 claims description 2
- 239000000470 constituent Substances 0.000 claims 11
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- 230000004048 modification Effects 0.000 abstract description 13
- 238000012986 modification Methods 0.000 abstract description 13
- 238000003786 synthesis reaction Methods 0.000 abstract description 9
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 230000000875 corresponding effect Effects 0.000 description 17
- 230000001755 vocal effect Effects 0.000 description 13
- 230000008859 change Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
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- 238000001228 spectrum Methods 0.000 description 7
- 239000000872 buffer Substances 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 239000000523 sample Substances 0.000 description 3
- RJKFOVLPORLFTN-LEKSSAKUSA-N Progesterone Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H](C(=O)C)[C@@]1(C)CC2 RJKFOVLPORLFTN-LEKSSAKUSA-N 0.000 description 2
- 230000005534 acoustic noise Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 210000001260 vocal cord Anatomy 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 244000228957 Ferula foetida Species 0.000 description 1
- -1 M(~ Chemical compound 0.000 description 1
- 241000022563 Rema Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013144 data compression Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012887 quadratic function Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
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- 238000010183 spectrum analysis Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000013519 translation 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Surgical Instruments (AREA)
- Electrophonic Musical Instruments (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US71286685A | 1985-03-18 | 1985-03-18 | |
| US712,866 | 1985-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1243122A true CA1243122A (fr) | 1988-10-11 |
Family
ID=24863876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000504354A Expired CA1243122A (fr) | 1985-03-18 | 1986-03-18 | Traitement des formes d'ondes acoustiques |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0215915A4 (fr) |
| JP (1) | JP2759646B2 (fr) |
| AU (1) | AU597573B2 (fr) |
| CA (1) | CA1243122A (fr) |
| WO (1) | WO1986005617A1 (fr) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4856068A (en) * | 1985-03-18 | 1989-08-08 | Massachusetts Institute Of Technology | Audio pre-processing methods and apparatus |
| US4937873A (en) * | 1985-03-18 | 1990-06-26 | Massachusetts Institute Of Technology | Computationally efficient sine wave synthesis for acoustic waveform processing |
| US4797926A (en) * | 1986-09-11 | 1989-01-10 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital speech vocoder |
| US4771465A (en) * | 1986-09-11 | 1988-09-13 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital speech sinusoidal vocoder with transmission of only subset of harmonics |
| CA1332982C (fr) * | 1987-04-02 | 1994-11-08 | Robert J. Mcauley | Codage de formes d'onde acoustiques |
| US5029509A (en) * | 1989-05-10 | 1991-07-09 | Board Of Trustees Of The Leland Stanford Junior University | Musical synthesizer combining deterministic and stochastic waveforms |
| WO1993018505A1 (fr) * | 1992-03-02 | 1993-09-16 | The Walt Disney Company | Systeme de transformation vocale |
| JP3212785B2 (ja) * | 1993-12-22 | 2001-09-25 | 防衛庁技術研究本部長 | 信号検出装置 |
| DE4425767C2 (de) * | 1994-07-21 | 1997-05-28 | Rainer Dipl Ing Hettrich | Verfahren zur Wiedergabe von Signalen mit veränderter Geschwindigkeit |
| US5812737A (en) * | 1995-01-09 | 1998-09-22 | The Board Of Trustees Of The Leland Stanford Junior University | Harmonic and frequency-locked loop pitch tracker and sound separation system |
| JP3262204B2 (ja) * | 1996-03-25 | 2002-03-04 | 日本電信電話株式会社 | 周波数成分抽出装置 |
| US6266003B1 (en) * | 1998-08-28 | 2001-07-24 | Sigma Audio Research Limited | Method and apparatus for signal processing for time-scale and/or pitch modification of audio signals |
| ATE341074T1 (de) * | 2000-02-29 | 2006-10-15 | Qualcomm Inc | Multimodaler mischbereich-sprachkodierer mit geschlossener regelschleife |
| KR100711040B1 (ko) * | 2000-02-29 | 2007-04-24 | 퀄컴 인코포레이티드 | 유사주기 신호의 위상을 추적하는 방법 및 장치 |
| JP3404350B2 (ja) * | 2000-03-06 | 2003-05-06 | パナソニック モバイルコミュニケーションズ株式会社 | 音声符号化パラメータ取得方法、音声復号方法及び装置 |
| SE517026C2 (sv) * | 2000-11-17 | 2002-04-02 | Forskarpatent I Syd Ab | Metod och anordning för talanalys |
| KR100601748B1 (ko) * | 2001-01-22 | 2006-07-19 | 카나스 데이터 코포레이션 | 디지털 음성 데이터의 부호화 방법 및 복호화 방법 |
| AU2003291862A1 (en) * | 2003-12-01 | 2005-06-24 | Aic | A highly optimized method for modelling a windowed signal |
| US8027242B2 (en) | 2005-10-21 | 2011-09-27 | Qualcomm Incorporated | Signal coding and decoding based on spectral dynamics |
| US8392176B2 (en) | 2006-04-10 | 2013-03-05 | Qualcomm Incorporated | Processing of excitation in audio coding and decoding |
| KR101080421B1 (ko) * | 2007-03-16 | 2011-11-04 | 삼성전자주식회사 | 정현파 오디오 코딩 방법 및 장치 |
| US8428957B2 (en) | 2007-08-24 | 2013-04-23 | Qualcomm Incorporated | Spectral noise shaping in audio coding based on spectral dynamics in frequency sub-bands |
| WO2013107602A1 (fr) * | 2012-01-20 | 2013-07-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Appareil et procédé de codage et de décodage audio par substitution sinusoïdale |
| WO2017158105A1 (fr) | 2016-03-18 | 2017-09-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codage par reconstruction d'informations de phase au moyen d'un tenseur de structure sur des spectrogrammes audio |
| JP7650397B1 (ja) * | 2024-11-15 | 2025-03-24 | ソフトバンク株式会社 | 信号を生成する装置及び方法、信号を復調する装置、測定装置、シミュレーション装置、回路を解析する装置、送信装置、通信システム、送電装置、無線電力伝送システム、回路、増幅回路、並びに、プログラム |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3360610A (en) * | 1964-05-07 | 1967-12-26 | Bell Telephone Labor Inc | Bandwidth compression utilizing magnitude and phase coded signals representative of the input signal |
| US4058676A (en) * | 1975-07-07 | 1977-11-15 | International Communication Sciences | Speech analysis and synthesis system |
| US4076958A (en) * | 1976-09-13 | 1978-02-28 | E-Systems, Inc. | Signal synthesizer spectrum contour scaler |
| JPS6017120B2 (ja) * | 1981-05-29 | 1985-05-01 | 松下電器産業株式会社 | 音素片編型音声合成方式 |
| JPS6040631B2 (ja) * | 1981-12-08 | 1985-09-11 | 松下電器産業株式会社 | 音素片編集型音声合成方式 |
| JPS592033A (ja) * | 1982-06-28 | 1984-01-07 | Hitachi Ltd | 背面投写スクリ−ン |
| JPS597399A (ja) * | 1982-07-02 | 1984-01-14 | 松下電器産業株式会社 | 単音節音声認識装置 |
| JPS5942598A (ja) * | 1982-09-03 | 1984-03-09 | 日本電信電話株式会社 | 法則合成結合処理回路 |
| JPS6088326A (ja) * | 1983-10-19 | 1985-05-18 | Kawai Musical Instr Mfg Co Ltd | 音響解析装置 |
| JPS6097398A (ja) * | 1983-11-01 | 1985-05-31 | 株式会社河合楽器製作所 | 音響解析装置 |
| JPH079591B2 (ja) * | 1983-11-01 | 1995-02-01 | 株式会社河合楽器製作所 | 楽器音響解析装置 |
-
1986
- 1986-03-14 EP EP19860902188 patent/EP0215915A4/fr not_active Withdrawn
- 1986-03-14 WO PCT/US1986/000543 patent/WO1986005617A1/fr not_active Ceased
- 1986-03-14 JP JP61501779A patent/JP2759646B2/ja not_active Expired - Lifetime
- 1986-03-14 AU AU56208/86A patent/AU597573B2/en not_active Expired
- 1986-03-18 CA CA000504354A patent/CA1243122A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JP2759646B2 (ja) | 1998-05-28 |
| EP0215915A1 (fr) | 1987-04-01 |
| JPS62502572A (ja) | 1987-10-01 |
| AU597573B2 (en) | 1990-06-07 |
| AU5620886A (en) | 1986-10-13 |
| EP0215915A4 (fr) | 1987-11-25 |
| WO1986005617A1 (fr) | 1986-09-25 |
Similar Documents
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|---|---|---|
| CA1243122A (fr) | Traitement des formes d'ondes acoustiques | |
| USRE36478E (en) | Processing of acoustic waveforms | |
| US4937873A (en) | Computationally efficient sine wave synthesis for acoustic waveform processing | |
| CN1838239B (zh) | 一种用于增强信源解码器的设备及方法 | |
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| US5054072A (en) | Coding of acoustic waveforms | |
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| CA1332982C (fr) | Codage de formes d'onde acoustiques | |
| Fitz et al. | On the use of time: Frequency reassignment in additive sound modeling | |
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| EP0766230B1 (fr) | Procédé et dispositif de codage de la parole | |
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| US6003000A (en) | Method and system for speech processing with greatly reduced harmonic and intermodulation distortion | |
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| Sercov et al. | An improved speech model with allowance for time-varying pitch harmonic amplitudes and frequencies in low bit-rate MBE coders. | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |