ATE546812T1 - Vorrichtung zur audiosignalverarbeitung und verfahren zur audiosignalverarbeitung - Google Patents

Vorrichtung zur audiosignalverarbeitung und verfahren zur audiosignalverarbeitung

Info

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
Application number
AT09725142T
Other languages
English (en)
Inventor
Takaaki Yamabe
Masaya Konishi
Original Assignee
Victor Company Of Japan
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Victor Company Of Japan filed Critical Victor Company Of Japan
Application granted granted Critical
Publication of ATE546812T1 publication Critical patent/ATE546812T1/de

Links

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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/35—Electric hearing aids 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • 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)
  • Stereo-Broadcasting Methods (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)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Stereophonic System (AREA)
AT09725142T 2008-03-24 2009-03-19 Vorrichtung zur audiosignalverarbeitung und verfahren zur audiosignalverarbeitung ATE546812T1 (de)

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 (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9633667B2 (en) 2012-04-05 2017-04-25 Nokia Technologies Oy Adaptive audio signal filtering
CN105378826B (zh) * 2013-05-31 2019-06-11 诺基亚技术有限公司 音频场景装置
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
WO2015184525A1 (en) 2014-06-05 2015-12-10 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
EP3783912B1 (de) * 2018-04-17 2023-08-23 The University of Electro-Communications Mischvorrichtung, mischverfahren und mischprogramm
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
EP3783913A4 (de) 2018-04-19 2021-06-16 The University of Electro-Communications Mischvorrichtung, mischverfahren und mischprogramm
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
CN119207487B (zh) * 2024-09-12 2025-07-04 安徽艾德未来智能科技有限公司 一种用于蓝牙耳机的音频录音及转换方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
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
ES2294506T3 (es) * 2004-05-14 2008-04-01 Loquendo S.P.A. Reduccion de ruido para el reconocimiento automatico del habla.
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

Also Published As

Publication number Publication date
US20100128882A1 (en) 2010-05-27
EP2172930A1 (de) 2010-04-07
JP5012995B2 (ja) 2012-08-29
US8355908B2 (en) 2013-01-15
EP2172930B1 (de) 2012-02-22
JPWO2009119460A1 (ja) 2011-07-21
WO2009119460A1 (ja) 2009-10-01
EP2172930A4 (de) 2010-07-28

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