ATE497236T1 - Vorrichtung und verfahren zur audiosignalverarbeitung - Google Patents

Vorrichtung und verfahren zur audiosignalverarbeitung

Info

Publication number
ATE497236T1
ATE497236T1 AT09251397T AT09251397T ATE497236T1 AT E497236 T1 ATE497236 T1 AT E497236T1 AT 09251397 T AT09251397 T AT 09251397T AT 09251397 T AT09251397 T AT 09251397T AT E497236 T1 ATE497236 T1 AT E497236T1
Authority
AT
Austria
Prior art keywords
signal processing
audio signal
signal
noise cancel
microphone
Prior art date
Application number
AT09251397T
Other languages
English (en)
Inventor
Ohkuri Kazunobu
Asada Kohei
Suzuki Shiro
Itabashi Tetsunori
Kawanishi Hiroki
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of ATE497236T1 publication Critical patent/ATE497236T1/de

Links

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
    • 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
    • H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/04—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes
    • H03G9/10—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes for tone control and volume expansion or compression

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)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Headphones And Earphones (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)
AT09251397T 2008-06-16 2009-05-27 Vorrichtung und verfahren zur audiosignalverarbeitung ATE497236T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008156190A JP4591557B2 (ja) 2008-06-16 2008-06-16 音声信号処理装置、音声信号処理方法および音声信号処理プログラム

Publications (1)

Publication Number Publication Date
ATE497236T1 true ATE497236T1 (de) 2011-02-15

Family

ID=40873314

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09251397T ATE497236T1 (de) 2008-06-16 2009-05-27 Vorrichtung und verfahren zur audiosignalverarbeitung

Country Status (6)

Country Link
US (1) US8761406B2 (de)
EP (1) EP2136362B1 (de)
JP (1) JP4591557B2 (de)
CN (1) CN101609685B (de)
AT (1) ATE497236T1 (de)
DE (1) DE602009000662D1 (de)

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CN106888419B (zh) * 2015-12-16 2020-03-20 华为终端有限公司 调节耳机音量的方法和装置
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Also Published As

Publication number Publication date
EP2136362B1 (de) 2011-01-26
US8761406B2 (en) 2014-06-24
CN101609685A (zh) 2009-12-23
DE602009000662D1 (de) 2011-03-10
EP2136362A1 (de) 2009-12-23
US20090310793A1 (en) 2009-12-17
JP2009302991A (ja) 2009-12-24
CN101609685B (zh) 2013-04-24
JP4591557B2 (ja) 2010-12-01

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