ATE484822T1 - Spektralglättungsverfahren von verrauschten signalen - Google Patents
Spektralglättungsverfahren von verrauschten signalenInfo
- Publication number
- ATE484822T1 ATE484822T1 AT08784249T AT08784249T ATE484822T1 AT E484822 T1 ATE484822 T1 AT E484822T1 AT 08784249 T AT08784249 T AT 08784249T AT 08784249 T AT08784249 T AT 08784249T AT E484822 T1 ATE484822 T1 AT E484822T1
- Authority
- AT
- Austria
- Prior art keywords
- short
- term
- transformation
- smoothing method
- spectra
- Prior art date
Links
- 238000009499 grossing Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 230000003595 spectral effect Effects 0.000 title 1
- 238000001228 spectrum Methods 0.000 abstract 6
- 230000009466 transformation Effects 0.000 abstract 5
- 230000001131 transforming effect Effects 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
- 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
- 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
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/24—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being the cepstrum
-
- 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
- G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Quality & Reliability (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)
- Networks Using Active Elements (AREA)
- Spectrometry And Color Measurement (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Photoreceptors In Electrophotography (AREA)
- Color Television Image Signal Generators (AREA)
- Holo Graphy (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007030209A DE102007030209A1 (de) | 2007-06-27 | 2007-06-27 | Glättungsverfahren |
| PCT/DE2008/001047 WO2009000255A1 (de) | 2007-06-27 | 2008-06-25 | Spektralglättungsverfahren von verrauschten signalen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE484822T1 true ATE484822T1 (de) | 2010-10-15 |
Family
ID=39767094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT08784249T ATE484822T1 (de) | 2007-06-27 | 2008-06-25 | Spektralglättungsverfahren von verrauschten signalen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8892431B2 (de) |
| EP (1) | EP2158588B1 (de) |
| AT (1) | ATE484822T1 (de) |
| DE (2) | DE102007030209A1 (de) |
| DK (1) | DK2158588T3 (de) |
| WO (1) | WO2009000255A1 (de) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2031583B1 (de) * | 2007-08-31 | 2010-01-06 | Harman Becker Automotive Systems GmbH | Schnelle Schätzung der Spektraldichte der Rauschleistung zur Sprachsignalverbesserung |
| US8588138B2 (en) * | 2009-07-23 | 2013-11-19 | Qualcomm Incorporated | Header compression for relay nodes |
| US8675115B1 (en) | 2011-02-14 | 2014-03-18 | DigitalOptics Corporation Europe Limited | Forward interpolation approach for constructing a second version of an image from a first version of the image |
| US8577186B1 (en) * | 2011-02-14 | 2013-11-05 | DigitalOptics Corporation Europe Limited | Forward interpolation approach using forward and backward mapping |
| WO2012128679A1 (en) * | 2011-03-21 | 2012-09-27 | Telefonaktiebolaget L M Ericsson (Publ) | Method and arrangement for damping dominant frequencies in an audio signal |
| JP5774191B2 (ja) * | 2011-03-21 | 2015-09-09 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | オーディオ信号において卓越周波数を減衰させるための方法および装置 |
| GB201114737D0 (en) * | 2011-08-26 | 2011-10-12 | Univ Belfast | Method and apparatus for acoustic source separation |
| US9026451B1 (en) * | 2012-05-09 | 2015-05-05 | Google Inc. | Pitch post-filter |
| JP5772723B2 (ja) * | 2012-05-31 | 2015-09-02 | ヤマハ株式会社 | 音響処理装置および分離マスク生成装置 |
| CN105144290B (zh) * | 2013-04-11 | 2021-06-15 | 日本电气株式会社 | 信号处理装置、信号处理方法和信号处理程序 |
| US20150179181A1 (en) * | 2013-12-20 | 2015-06-25 | Microsoft Corporation | Adapting audio based upon detected environmental accoustics |
| DE102014210760B4 (de) * | 2014-06-05 | 2023-03-09 | Bayerische Motoren Werke Aktiengesellschaft | Betrieb einer Kommunikationsanlage |
| WO2016157270A1 (ja) * | 2015-03-31 | 2016-10-06 | 日本電気株式会社 | 分光解析装置、分光解析方法、及び可読媒体 |
| US9721581B2 (en) * | 2015-08-25 | 2017-08-01 | Blackberry Limited | Method and device for mitigating wind noise in a speech signal generated at a microphone of the device |
| US9972134B2 (en) | 2016-06-30 | 2018-05-15 | Microsoft Technology Licensing, Llc | Adaptive smoothing based on user focus on a target object |
| WO2019213769A1 (en) | 2018-05-09 | 2019-11-14 | Nureva Inc. | Method, apparatus, and computer-readable media utilizing residual echo estimate information to derive secondary echo reduction parameters |
| EP3573058B1 (de) * | 2018-05-23 | 2021-02-24 | Harman Becker Automotive Systems GmbH | Trocken- und raumschalltrennung |
| JP7278092B2 (ja) * | 2019-02-15 | 2023-05-19 | キヤノン株式会社 | 画像処理装置、撮像装置、画像処理方法、撮像装置の制御方法、及びプログラム |
| US12462782B2 (en) | 2021-06-25 | 2025-11-04 | Nureva, Inc. | System for dynamically adjusting a soundmask signal based on realtime ambient noise parameters while maintaining echo canceller calibration performance |
| CN113726348B (zh) * | 2021-07-21 | 2022-06-21 | 湖南艾科诺维科技有限公司 | 一种无线电信号频谱的平滑滤波方法及系统 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02195400A (ja) * | 1989-01-24 | 1990-08-01 | Canon Inc | 音声認識装置 |
| US5365592A (en) * | 1990-07-19 | 1994-11-15 | Hughes Aircraft Company | Digital voice detection apparatus and method using transform domain processing |
| US5737485A (en) * | 1995-03-07 | 1998-04-07 | Rutgers The State University Of New Jersey | Method and apparatus including microphone arrays and neural networks for speech/speaker recognition systems |
| US6070140A (en) * | 1995-06-05 | 2000-05-30 | Tran; Bao Q. | Speech recognizer |
| DE19629132A1 (de) * | 1996-07-19 | 1998-01-22 | Daimler Benz Ag | Verfahren zur Verringerung von Störungen eines Sprachsignals |
| US7272556B1 (en) * | 1998-09-23 | 2007-09-18 | Lucent Technologies Inc. | Scalable and embedded codec for speech and audio signals |
| US6226606B1 (en) * | 1998-11-24 | 2001-05-01 | Microsoft Corporation | Method and apparatus for pitch tracking |
| US6766292B1 (en) | 2000-03-28 | 2004-07-20 | Tellabs Operations, Inc. | Relative noise ratio weighting techniques for adaptive noise cancellation |
| JP3566197B2 (ja) * | 2000-08-31 | 2004-09-15 | 松下電器産業株式会社 | 雑音抑圧装置及び雑音抑圧方法 |
| US7054810B2 (en) * | 2000-10-06 | 2006-05-30 | International Business Machines Corporation | Feature vector-based apparatus and method for robust pattern recognition |
| US6964023B2 (en) * | 2001-02-05 | 2005-11-08 | International Business Machines Corporation | System and method for multi-modal focus detection, referential ambiguity resolution and mood classification using multi-modal input |
| US7124075B2 (en) * | 2001-10-26 | 2006-10-17 | Dmitry Edward Terez | Methods and apparatus for pitch determination |
| US20040002856A1 (en) * | 2002-03-08 | 2004-01-01 | Udaya Bhaskar | Multi-rate frequency domain interpolative speech CODEC system |
| US7725314B2 (en) * | 2004-02-16 | 2010-05-25 | Microsoft Corporation | Method and apparatus for constructing a speech filter using estimates of clean speech and noise |
| US7689419B2 (en) * | 2005-09-22 | 2010-03-30 | Microsoft Corporation | Updating hidden conditional random field model parameters after processing individual training samples |
| US7680663B2 (en) * | 2006-08-21 | 2010-03-16 | Micrsoft Corporation | Using a discretized, higher order representation of hidden dynamic variables for speech recognition |
| US8145488B2 (en) * | 2008-09-16 | 2012-03-27 | Microsoft Corporation | Parameter clustering and sharing for variable-parameter hidden markov models |
-
2007
- 2007-06-27 DE DE102007030209A patent/DE102007030209A1/de not_active Ceased
-
2008
- 2008-06-25 WO PCT/DE2008/001047 patent/WO2009000255A1/de not_active Ceased
- 2008-06-25 DE DE502008001543T patent/DE502008001543D1/de active Active
- 2008-06-25 EP EP08784249A patent/EP2158588B1/de not_active Not-in-force
- 2008-06-25 DK DK08784249.8T patent/DK2158588T3/da active
- 2008-06-25 US US12/665,526 patent/US8892431B2/en not_active Expired - Fee Related
- 2008-06-25 AT AT08784249T patent/ATE484822T1/de active
Also Published As
| Publication number | Publication date |
|---|---|
| US20100182510A1 (en) | 2010-07-22 |
| EP2158588B1 (de) | 2010-10-13 |
| US8892431B2 (en) | 2014-11-18 |
| WO2009000255A9 (de) | 2010-05-14 |
| DE502008001543D1 (de) | 2010-11-25 |
| DE102007030209A1 (de) | 2009-01-08 |
| WO2009000255A1 (de) | 2008-12-31 |
| DK2158588T3 (da) | 2011-02-07 |
| EP2158588A1 (de) | 2010-03-03 |
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