WO2002065157A3 - Empirical mode decomposition for analyzing acoustical signals - Google Patents
Empirical mode decomposition for analyzing acoustical signals Download PDFInfo
- Publication number
- WO2002065157A3 WO2002065157A3 PCT/US2002/001250 US0201250W WO02065157A3 WO 2002065157 A3 WO2002065157 A3 WO 2002065157A3 US 0201250 W US0201250 W US 0201250W WO 02065157 A3 WO02065157 A3 WO 02065157A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- acoustical
- signal
- signals
- acoustical signals
- imfs
- Prior art date
Links
- 238000000354 decomposition reaction Methods 0.000 title abstract 2
- 238000004458 analytical method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 abstract 1
- 238000010183 spectrum analysis Methods 0.000 abstract 1
- 230000009466 transformation Effects 0.000 abstract 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
- G06F17/141—Discrete Fourier transforms
-
- 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
- G10L19/0212—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 using orthogonal transformation
-
- 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
- G10L15/00—Speech recognition
- G10L15/20—Speech recognition techniques specially adapted for robustness in adverse environments, e.g. in noise, of stress induced speech
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Computational Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Data Mining & Analysis (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Human Computer Interaction (AREA)
- General Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Algebra (AREA)
- Computational Linguistics (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Discrete Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2002253865A AU2002253865A1 (en) | 2001-02-14 | 2002-02-13 | Empirical mode decomposition for analyzing acoustical signals |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US26842201P | 2001-02-14 | 2001-02-14 | |
US60/266,422 | 2001-02-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002065157A2 WO2002065157A2 (en) | 2002-08-22 |
WO2002065157A3 true WO2002065157A3 (en) | 2007-10-25 |
Family
ID=27623176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2002/001250 WO2002065157A2 (en) | 2001-02-14 | 2002-02-13 | Empirical mode decomposition for analyzing acoustical signals |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU2002253865A1 (en) |
WO (1) | WO2002065157A2 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2459254C2 (en) * | 2007-04-27 | 2012-08-20 | Сименс Акциенгезелльшафт | Method for computer-aided training of one or more neural networks |
RU2536108C2 (en) * | 2013-02-05 | 2014-12-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Пензенский государственный университет" (ФГБОУ ВПО "Пензенский государственный университет" | Method and apparatus for digital spectral-time analysis of signals |
CN106443801A (en) * | 2016-08-01 | 2017-02-22 | 湖南文理学院 | Time frequency analysis method of magnetotelluric impedance estimation |
CN106707341A (en) * | 2017-03-16 | 2017-05-24 | 西南石油大学 | High-resolution sequence stratigraphic division method based on EEMD (Ensemble Empirical Mode Decomposition) |
CN107229597A (en) * | 2017-05-31 | 2017-10-03 | 成都理工大学 | Synchronous extruding generalized S-transform signal Time-frequency Decomposition and reconstructing method |
CN107991706B (en) * | 2017-11-24 | 2020-07-31 | 华北科技学院 | Coal seam hydraulic fracturing microseismic signal combined noise reduction method based on wavelet packet multiple threshold and improved empirical mode decomposition |
CN109117784B (en) * | 2018-08-08 | 2024-02-02 | 上海海事大学 | Ship electric propulsion system fault diagnosis method for improving empirical mode decomposition |
CN109784661A (en) * | 2018-12-19 | 2019-05-21 | 华北电力大学(保定) | A kind of thermal process steady state detecting method for use and system |
CN110187320B (en) * | 2019-05-30 | 2021-07-20 | 六盘水三力达科技有限公司 | Improved radar signal time-frequency analysis method |
CN112083495B (en) * | 2020-10-15 | 2022-05-20 | 中国石油化工股份有限公司 | Method for improving resolution ratio based on variation mode decomposition synchronous compression wavelet transformation |
CN113325472A (en) * | 2021-05-21 | 2021-08-31 | 成都理工大学 | Seismic wave field sub-component extraction method based on principal component analysis |
CN115017940B (en) * | 2022-05-11 | 2024-04-16 | 西北工业大学 | Target detection method based on empirical mode decomposition and 1 (1/2) spectrum analysis |
CN115356108B (en) * | 2022-10-10 | 2023-02-10 | 成都阿普奇科技股份有限公司 | Method and device for diagnosing mechanical fault of modulation high-order horizontal extrusion transformation |
CN117040983B (en) * | 2023-09-28 | 2023-12-22 | 联通(江苏)产业互联网有限公司 | Data sharing method and system based on big data analysis |
CN117235446B (en) * | 2023-11-09 | 2024-01-26 | 北京豪能汇新能源科技有限公司 | Automatic change power station data intelligent management system |
CN117330816B (en) * | 2023-12-01 | 2024-01-26 | 南京中旭电子科技有限公司 | Monitoring data optimization method for Hall current sensor |
CN118072738B (en) * | 2024-04-18 | 2024-07-05 | 深圳市亿晟科技有限公司 | Voice interaction method, device and storage medium |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4289141A (en) * | 1976-08-19 | 1981-09-15 | Cormier Cardiac Systems, Inc. | Method and apparatus for extracting systolic valvular events from heart sounds |
US4686655A (en) * | 1970-12-28 | 1987-08-11 | Hyatt Gilbert P | Filtering system for processing signature signals |
US4944036A (en) * | 1970-12-28 | 1990-07-24 | Hyatt Gilbert P | Signature filter system |
US6006175A (en) * | 1996-02-06 | 1999-12-21 | The Regents Of The University Of California | Methods and apparatus for non-acoustic speech characterization and recognition |
US6087652A (en) * | 1997-05-01 | 2000-07-11 | Hughes Electronics Corporation | Contactless acoustic sensing system with detector array scanning and self-calibration |
-
2002
- 2002-02-13 AU AU2002253865A patent/AU2002253865A1/en not_active Abandoned
- 2002-02-13 WO PCT/US2002/001250 patent/WO2002065157A2/en not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4686655A (en) * | 1970-12-28 | 1987-08-11 | Hyatt Gilbert P | Filtering system for processing signature signals |
US4944036A (en) * | 1970-12-28 | 1990-07-24 | Hyatt Gilbert P | Signature filter system |
US4289141A (en) * | 1976-08-19 | 1981-09-15 | Cormier Cardiac Systems, Inc. | Method and apparatus for extracting systolic valvular events from heart sounds |
US6006175A (en) * | 1996-02-06 | 1999-12-21 | The Regents Of The University Of California | Methods and apparatus for non-acoustic speech characterization and recognition |
US6087652A (en) * | 1997-05-01 | 2000-07-11 | Hughes Electronics Corporation | Contactless acoustic sensing system with detector array scanning and self-calibration |
Also Published As
Publication number | Publication date |
---|---|
AU2002253865A8 (en) | 2002-08-28 |
AU2002253865A1 (en) | 2002-08-28 |
WO2002065157A2 (en) | 2002-08-22 |
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