DE60329248D1 - Verarbeitung eines Audiosignals unter Verwendung eines Hörbarkeitsmodells - Google Patents
Verarbeitung eines Audiosignals unter Verwendung eines HörbarkeitsmodellsInfo
- Publication number
- DE60329248D1 DE60329248D1 DE60329248T DE60329248T DE60329248D1 DE 60329248 D1 DE60329248 D1 DE 60329248D1 DE 60329248 T DE60329248 T DE 60329248T DE 60329248 T DE60329248 T DE 60329248T DE 60329248 D1 DE60329248 D1 DE 60329248D1
- Authority
- DE
- Germany
- Prior art keywords
- processing
- audio signal
- audibility model
- audibility
- model
- 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 - Lifetime
Links
- 230000005236 sound signal Effects 0.000 title 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)
- Spectroscopy & Molecular Physics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/090,544 US20100042406A1 (en) | 2002-03-04 | 2002-03-04 | Audio signal processing using improved perceptual model |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60329248D1 true DE60329248D1 (de) | 2009-10-29 |
Family
ID=27753988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60329248T Expired - Lifetime DE60329248D1 (de) | 2002-03-04 | 2003-02-24 | Verarbeitung eines Audiosignals unter Verwendung eines Hörbarkeitsmodells |
Country Status (4)
Country | Link |
---|---|
US (1) | US20100042406A1 (de) |
EP (1) | EP1343146B1 (de) |
CA (1) | CA2419765A1 (de) |
DE (1) | DE60329248D1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE0202159D0 (sv) | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
DE60202881T2 (de) | 2001-11-29 | 2006-01-19 | Coding Technologies Ab | Wiederherstellung von hochfrequenzkomponenten |
SE0202770D0 (sv) * | 2002-09-18 | 2002-09-18 | Coding Technologies Sweden Ab | Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks |
NL1029157C2 (nl) * | 2004-06-04 | 2007-10-03 | Samsung Electronics Co Ltd | Apparaat en werkwijze voor het coderen/decoderen van een audiosignaal. |
EP1691348A1 (de) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametrische kombinierte Kodierung von Audio-Quellen |
JPWO2007037359A1 (ja) * | 2005-09-30 | 2009-04-16 | パナソニック株式会社 | 音声符号化装置および音声符号化方法 |
US20090138507A1 (en) * | 2007-11-27 | 2009-05-28 | International Business Machines Corporation | Automated playback control for audio devices using environmental cues as indicators for automatically pausing audio playback |
JP2012503212A (ja) * | 2008-09-19 | 2012-02-02 | ニューサウス イノベーションズ ピーティーワイ リミテッド | オーディオ信号分析方法 |
US8472616B1 (en) * | 2009-04-02 | 2013-06-25 | Audience, Inc. | Self calibration of envelope-based acoustic echo cancellation |
US9307321B1 (en) | 2011-06-09 | 2016-04-05 | Audience, Inc. | Speaker distortion reduction |
CN108417199B (zh) * | 2013-01-18 | 2022-11-22 | 株式会社东芝 | 音频水印信息检测装置及音频水印信息检测方法 |
JP6511033B2 (ja) * | 2016-10-31 | 2019-05-08 | 株式会社Nttドコモ | 音声符号化装置および音声符号化方法 |
CN113395637B (zh) * | 2021-06-10 | 2022-09-09 | 上海傅硅电子科技有限公司 | 一种音频功放芯片输出电压的控制方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4631747A (en) * | 1978-07-17 | 1986-12-23 | Raytheon Company | Digital sound synthesizer |
US5040217A (en) * | 1989-10-18 | 1991-08-13 | At&T Bell Laboratories | Perceptual coding of audio signals |
US5285498A (en) * | 1992-03-02 | 1994-02-08 | At&T Bell Laboratories | Method and apparatus for coding audio signals based on perceptual model |
JPH08190764A (ja) * | 1995-01-05 | 1996-07-23 | Sony Corp | ディジタル信号処理方法、ディジタル信号処理装置及び記録媒体 |
US5956674A (en) * | 1995-12-01 | 1999-09-21 | Digital Theater Systems, Inc. | Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels |
US6466912B1 (en) * | 1997-09-25 | 2002-10-15 | At&T Corp. | Perceptual coding of audio signals employing envelope uncertainty |
US6115689A (en) * | 1998-05-27 | 2000-09-05 | Microsoft Corporation | Scalable audio coder and decoder |
-
2002
- 2002-03-04 US US10/090,544 patent/US20100042406A1/en not_active Abandoned
-
2003
- 2003-02-24 EP EP03003261A patent/EP1343146B1/de not_active Expired - Fee Related
- 2003-02-24 DE DE60329248T patent/DE60329248D1/de not_active Expired - Lifetime
- 2003-02-25 CA CA002419765A patent/CA2419765A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1343146A2 (de) | 2003-09-10 |
US20100042406A1 (en) | 2010-02-18 |
EP1343146B1 (de) | 2009-09-16 |
EP1343146A3 (de) | 2004-07-21 |
CA2419765A1 (en) | 2003-09-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |