JP5585432B2 - 音響信号処理装置および方法、並びに、プログラム - Google Patents

音響信号処理装置および方法、並びに、プログラム Download PDF

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Publication number
JP5585432B2
JP5585432B2 JP2010280164A JP2010280164A JP5585432B2 JP 5585432 B2 JP5585432 B2 JP 5585432B2 JP 2010280164 A JP2010280164 A JP 2010280164A JP 2010280164 A JP2010280164 A JP 2010280164A JP 5585432 B2 JP5585432 B2 JP 5585432B2
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JP
Japan
Prior art keywords
signal
acoustic signal
level
dynamic range
center
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 - Fee Related
Application number
JP2010280164A
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English (en)
Japanese (ja)
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JP2012129839A (ja
JP2012129839A5 (enExample
Inventor
雅義 野口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
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
Priority to JP2010280164A priority Critical patent/JP5585432B2/ja
Priority to EP11187298.2A priority patent/EP2466917B1/en
Priority to US13/288,466 priority patent/US20120155656A1/en
Priority to CN2011104084750A priority patent/CN102571015A/zh
Publication of JP2012129839A publication Critical patent/JP2012129839A/ja
Publication of JP2012129839A5 publication Critical patent/JP2012129839A5/ja
Application granted granted Critical
Publication of JP5585432B2 publication Critical patent/JP5585432B2/ja
Expired - Fee Related legal-status Critical Current
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
    • H03G7/004—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers using continuously variable impedance devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/01—Aspects of volume control, not necessarily automatic, in sound systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/13—Aspects of volume control, not necessarily automatic, in stereophonic sound systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Circuits Of Receivers In General (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2010280164A 2010-12-16 2010-12-16 音響信号処理装置および方法、並びに、プログラム Expired - Fee Related JP5585432B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2010280164A JP5585432B2 (ja) 2010-12-16 2010-12-16 音響信号処理装置および方法、並びに、プログラム
EP11187298.2A EP2466917B1 (en) 2010-12-16 2011-10-31 Audio-signal processing apparatus and method, and program
US13/288,466 US20120155656A1 (en) 2010-12-16 2011-11-03 Audio-Signal Processing Apparatus and Method, and Program
CN2011104084750A CN102571015A (zh) 2010-12-16 2011-12-09 音频信号处理设备和方法、以及程序

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010280164A JP5585432B2 (ja) 2010-12-16 2010-12-16 音響信号処理装置および方法、並びに、プログラム

Publications (3)

Publication Number Publication Date
JP2012129839A JP2012129839A (ja) 2012-07-05
JP2012129839A5 JP2012129839A5 (enExample) 2014-01-09
JP5585432B2 true JP5585432B2 (ja) 2014-09-10

Family

ID=44862824

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010280164A Expired - Fee Related JP5585432B2 (ja) 2010-12-16 2010-12-16 音響信号処理装置および方法、並びに、プログラム

Country Status (4)

Country Link
US (1) US20120155656A1 (enExample)
EP (1) EP2466917B1 (enExample)
JP (1) JP5585432B2 (enExample)
CN (1) CN102571015A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA142030S (en) * 2011-08-31 2014-07-04 Knog Pty Ltd Portable light
FR3031638A1 (fr) * 2015-01-14 2016-07-15 Univ Bordeaux Procede de decompression et dispositif correspondant
JP7622564B2 (ja) * 2021-06-18 2025-01-28 株式会社Ｊｖｃケンウッド ビット拡張処理装置、ビット拡張処理方法、及びビット拡張処理プログラム

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62221212A (ja) * 1986-03-24 1987-09-29 Sony Corp デイジタル信号処理装置
JPH02312411A (ja) * 1989-05-29 1990-12-27 Sausu & Uesuto:Kk Ｆｍチューナーにおけるダイナミックレンジ拡大方法
JPH08191499A (ja) * 1995-01-10 1996-07-23 Toshiba Corp バランスコントロール回路
JP2001230647A (ja) 2000-02-17 2001-08-24 Oki Electric Ind Co Ltd エキスパンダ回路
JP4415775B2 (ja) * 2004-07-06 2010-02-17 ソニー株式会社 音声信号処理装置およびその方法、音声信号記録再生装置ならびにプログラム
MX2007005027A (es) * 2004-10-26 2007-06-19 Dolby Lab Licensing Corp Calculo y ajuste de la sonoridad percibida y/o el balance espectral percibido de una senal de audio.
EP1729410A1 (en) * 2005-06-02 2006-12-06 Sony Ericsson Mobile Communications AB Device and method for audio signal gain control
JP4835298B2 (ja) 2006-07-21 2011-12-14 ソニー株式会社 オーディオ信号処理装置、オーディオ信号処理方法およびプログラム
JP2009159020A (ja) * 2007-12-25 2009-07-16 Sony Corp 信号処理装置、信号処理方法、プログラム
JP2010280164A (ja) 2009-06-05 2010-12-16 Ihi Corp オフセット印刷装置

Also Published As

Publication number Publication date
JP2012129839A (ja) 2012-07-05
US20120155656A1 (en) 2012-06-21
CN102571015A (zh) 2012-07-11
EP2466917B1 (en) 2014-12-03
EP2466917A3 (en) 2013-11-27
EP2466917A2 (en) 2012-06-20

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