DK2158588T3 - Fremgangsmåde til spektraludglatning af støjbehæftede signaler - Google Patents
Fremgangsmåde til spektraludglatning af støjbehæftede signalerInfo
- Publication number
- DK2158588T3 DK2158588T3 DK08784249.8T DK08784249T DK2158588T3 DK 2158588 T3 DK2158588 T3 DK 2158588T3 DK 08784249 T DK08784249 T DK 08784249T DK 2158588 T3 DK2158588 T3 DK 2158588T3
- Authority
- DK
- Denmark
- 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)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Optical Communication System (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Spectrometry And Color Measurement (AREA)
- Networks Using Active Elements (AREA)
- Photoreceptors In Electrophotography (AREA)
- Color Television Image Signal Generators (AREA)
- Holo Graphy (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 |
---|---|
DK2158588T3 true DK2158588T3 (da) | 2011-02-07 |
Family
ID=39767094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK08784249.8T DK2158588T3 (da) | 2007-06-27 | 2008-06-25 | Fremgangsmåde til spektraludglatning af støjbehæftede signaler |
Country Status (6)
Country | Link |
---|---|
US (1) | US8892431B2 (da) |
EP (1) | EP2158588B1 (da) |
AT (1) | ATE484822T1 (da) |
DE (2) | DE102007030209A1 (da) |
DK (1) | DK2158588T3 (da) |
WO (1) | WO2009000255A1 (da) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE454696T1 (de) * | 2007-08-31 | 2010-01-15 | Harman Becker Automotive Sys | Schnelle schätzung der spektraldichte der rauschleistung zur sprachsignalverbesserung |
US8588138B2 (en) * | 2009-07-23 | 2013-11-19 | Qualcomm Incorporated | Header compression for relay nodes |
US8577186B1 (en) * | 2011-02-14 | 2013-11-05 | DigitalOptics Corporation Europe Limited | Forward interpolation approach using forward and backward mapping |
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 |
MY167843A (en) * | 2011-03-21 | 2018-09-26 | Ericsson Telefon Ab L M | Method and arrangement for damping of dominant frequencies in an audio signal |
JP2014513320A (ja) | 2011-03-21 | 2014-05-29 | 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けるドミナント周波数を減衰する方法及び装置 |
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 |
US10880427B2 (en) | 2018-05-09 | 2020-12-29 | Nureva, Inc. | Method, apparatus, and computer-readable media utilizing residual echo estimate information to derive secondary echo reduction parameters |
EP3573058B1 (en) * | 2018-05-23 | 2021-02-24 | Harman Becker Automotive Systems GmbH | Dry sound and ambient sound separation |
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 |
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 US US12/665,526 patent/US8892431B2/en not_active Expired - Fee Related
- 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 DE DE502008001543T patent/DE502008001543D1/de active Active
- 2008-06-25 WO PCT/DE2008/001047 patent/WO2009000255A1/de active Application Filing
- 2008-06-25 AT AT08784249T patent/ATE484822T1/de active
Also Published As
Publication number | Publication date |
---|---|
DE102007030209A1 (de) | 2009-01-08 |
DE502008001543D1 (de) | 2010-11-25 |
US8892431B2 (en) | 2014-11-18 |
US20100182510A1 (en) | 2010-07-22 |
EP2158588A1 (de) | 2010-03-03 |
ATE484822T1 (de) | 2010-10-15 |
WO2009000255A9 (de) | 2010-05-14 |
EP2158588B1 (de) | 2010-10-13 |
WO2009000255A1 (de) | 2008-12-31 |
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