ATE546812T1 - Vorrichtung zur audiosignalverarbeitung und verfahren zur audiosignalverarbeitung - Google Patents
Vorrichtung zur audiosignalverarbeitung und verfahren zur audiosignalverarbeitungInfo
- Publication number
- ATE546812T1 ATE546812T1 AT09725142T AT09725142T ATE546812T1 AT E546812 T1 ATE546812 T1 AT E546812T1 AT 09725142 T AT09725142 T AT 09725142T AT 09725142 T AT09725142 T AT 09725142T AT E546812 T1 ATE546812 T1 AT E546812T1
- Authority
- AT
- Austria
- Prior art keywords
- level control
- control value
- signal processing
- audio signal
- smoothing
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 230000005236 sound signal Effects 0.000 title abstract 3
- 238000009499 grossing Methods 0.000 abstract 4
- 230000003595 spectral effect Effects 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3089—Control of digital or coded signals
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
-
- 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
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L21/0232—Processing in the frequency domain
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/43—Signal processing in hearing aids to enhance the speech intelligibility
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/01—Hearing devices using active noise cancellation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/35—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using translation techniques
- H04R25/356—Amplitude, e.g. amplitude shift or compression
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
- H04R25/505—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Stereo-Broadcasting Methods (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Control Of Amplification And Gain Control (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008076605 | 2008-03-24 | ||
JP2008334908 | 2008-12-26 | ||
PCT/JP2009/055513 WO2009119460A1 (ja) | 2008-03-24 | 2009-03-19 | オーディオ信号処理装置及びオーディオ信号処理方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE546812T1 true ATE546812T1 (de) | 2012-03-15 |
Family
ID=41113655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT09725142T ATE546812T1 (de) | 2008-03-24 | 2009-03-19 | Vorrichtung zur audiosignalverarbeitung und verfahren zur audiosignalverarbeitung |
Country Status (5)
Country | Link |
---|---|
US (1) | US8355908B2 (de) |
EP (1) | EP2172930B1 (de) |
JP (1) | JP5012995B2 (de) |
AT (1) | ATE546812T1 (de) |
WO (1) | WO2009119460A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9633667B2 (en) | 2012-04-05 | 2017-04-25 | Nokia Technologies Oy | Adaptive audio signal filtering |
US10204614B2 (en) * | 2013-05-31 | 2019-02-12 | Nokia Technologies Oy | Audio scene apparatus |
JP2015206874A (ja) | 2014-04-18 | 2015-11-19 | 富士通株式会社 | 信号処理装置、信号処理方法、及び、プログラム |
AU2015271665B2 (en) | 2014-06-05 | 2020-09-10 | Interdev Technologies | Systems and methods of interpreting speech data |
CN104702343B (zh) * | 2015-02-04 | 2017-05-03 | 中国科学院信息工程研究所 | 声信道信息传输方法和系统 |
TWI569263B (zh) * | 2015-04-30 | 2017-02-01 | 智原科技股份有限公司 | 聲頻訊號的訊號擷取方法與裝置 |
US10346125B2 (en) * | 2015-08-18 | 2019-07-09 | International Business Machines Corporation | Detection of clipping event in audio signals |
WO2019203124A1 (ja) * | 2018-04-17 | 2019-10-24 | 国立大学法人電気通信大学 | ミキシング装置、ミキシング方法、及びミキシングプログラム |
US11516581B2 (en) | 2018-04-19 | 2022-11-29 | The University Of Electro-Communications | Information processing device, mixing device using the same, and latency reduction method |
JP7292650B2 (ja) | 2018-04-19 | 2023-06-19 | 国立大学法人電気通信大学 | ミキシング装置、ミキシング方法、及びミキシングプログラム |
US11227610B1 (en) * | 2019-04-16 | 2022-01-18 | Wells Fargo Bank, P.A. | Computer-based systems for administering patterned passphrases |
US11146607B1 (en) * | 2019-05-31 | 2021-10-12 | Dialpad, Inc. | Smart noise cancellation |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4811404A (en) * | 1987-10-01 | 1989-03-07 | Motorola, Inc. | Noise suppression system |
GB8801014D0 (en) * | 1988-01-18 | 1988-02-17 | British Telecomm | Noise reduction |
JP3084721B2 (ja) | 1990-02-23 | 2000-09-04 | ソニー株式会社 | 雑音除去回路 |
JPH06208395A (ja) * | 1992-10-30 | 1994-07-26 | Gijutsu Kenkyu Kumiai Iryo Fukushi Kiki Kenkyusho | ホルマント検出装置及び音声加工装置 |
JPH07193548A (ja) | 1993-12-25 | 1995-07-28 | Sony Corp | 雑音低減処理方法 |
JP3484801B2 (ja) | 1995-02-17 | 2004-01-06 | ソニー株式会社 | 音声信号の雑音低減方法及び装置 |
US6415253B1 (en) * | 1998-02-20 | 2002-07-02 | Meta-C Corporation | Method and apparatus for enhancing noise-corrupted speech |
US6108610A (en) | 1998-10-13 | 2000-08-22 | Noise Cancellation Technologies, Inc. | Method and system for updating noise estimates during pauses in an information signal |
JP3454206B2 (ja) * | 1999-11-10 | 2003-10-06 | 三菱電機株式会社 | 雑音抑圧装置及び雑音抑圧方法 |
US6377637B1 (en) | 2000-07-12 | 2002-04-23 | Andrea Electronics Corporation | Sub-band exponential smoothing noise canceling system |
JP2002359899A (ja) | 2001-05-31 | 2002-12-13 | Canon Electronics Inc | 音声処理装置および補聴器 |
US20040078199A1 (en) * | 2002-08-20 | 2004-04-22 | Hanoh Kremer | Method for auditory based noise reduction and an apparatus for auditory based noise reduction |
US7454331B2 (en) * | 2002-08-30 | 2008-11-18 | Dolby Laboratories Licensing Corporation | Controlling loudness of speech in signals that contain speech and other types of audio material |
JP2005086462A (ja) | 2003-09-09 | 2005-03-31 | Victor Co Of Japan Ltd | オーディオ信号再生装置のボーカル音帯域強調回路 |
EP1745468B1 (de) * | 2004-05-14 | 2007-09-12 | Loquendo S.p.A. | Rauschminderung für die automatische spracherkennung |
US7464029B2 (en) * | 2005-07-22 | 2008-12-09 | Qualcomm Incorporated | Robust separation of speech signals in a noisy environment |
FR2923527B1 (fr) | 2007-11-13 | 2013-12-27 | Snecma | Etage de turbine ou de compresseur, en particulier de turbomachine |
US8180635B2 (en) * | 2008-12-31 | 2012-05-15 | Texas Instruments Incorporated | Weighted sequential variance adaptation with prior knowledge for noise robust speech recognition |
-
2009
- 2009-03-19 WO PCT/JP2009/055513 patent/WO2009119460A1/ja active Application Filing
- 2009-03-19 AT AT09725142T patent/ATE546812T1/de active
- 2009-03-19 US US12/452,795 patent/US8355908B2/en active Active
- 2009-03-19 JP JP2010505604A patent/JP5012995B2/ja active Active
- 2009-03-19 EP EP09725142A patent/EP2172930B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
EP2172930A1 (de) | 2010-04-07 |
WO2009119460A1 (ja) | 2009-10-01 |
EP2172930A4 (de) | 2010-07-28 |
US8355908B2 (en) | 2013-01-15 |
JP5012995B2 (ja) | 2012-08-29 |
US20100128882A1 (en) | 2010-05-27 |
JPWO2009119460A1 (ja) | 2011-07-21 |
EP2172930B1 (de) | 2012-02-22 |
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