JP6506623B2 - デジタルシグナルプロセッサ及び音響機器 - Google Patents

デジタルシグナルプロセッサ及び音響機器 Download PDF

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Publication number
JP6506623B2
JP6506623B2 JP2015110138A JP2015110138A JP6506623B2 JP 6506623 B2 JP6506623 B2 JP 6506623B2 JP 2015110138 A JP2015110138 A JP 2015110138A JP 2015110138 A JP2015110138 A JP 2015110138A JP 6506623 B2 JP6506623 B2 JP 6506623B2
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JP
Japan
Prior art keywords
signal
amplification factor
digital
analog
digital signal
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.)
Active
Application number
JP2015110138A
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English (en)
Japanese (ja)
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JP2016225807A (ja
JP2016225807A5 (OSRAM
Inventor
道人 莅戸
道人 莅戸
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.)
ZOOM CORPORATION
Original Assignee
ZOOM CORPORATION
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 ZOOM CORPORATION filed Critical ZOOM CORPORATION
Priority to JP2015110138A priority Critical patent/JP6506623B2/ja
Priority to US15/162,877 priority patent/US10033344B2/en
Publication of JP2016225807A publication Critical patent/JP2016225807A/ja
Publication of JP2016225807A5 publication Critical patent/JP2016225807A5/ja
Application granted granted Critical
Publication of JP6506623B2 publication Critical patent/JP6506623B2/ja
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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G11/00—Limiting amplitude; Limiting rate of change of amplitude
    • H03G11/008—Limiting amplitude; Limiting rate of change of amplitude of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/007—Volume compression or expansion in amplifiers of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0614—Continuously compensating for, or preventing, undesired influence of physical parameters of harmonic distortion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/18—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
    • H03M1/181—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values
    • H03M1/183—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values the feedback signal controlling the gain of an amplifier or attenuator preceding the analogue/digital converter
    • H03M1/185—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values the feedback signal controlling the gain of an amplifier or attenuator preceding the analogue/digital converter the determination of the range being based on more than one digital output value, e.g. on a running average, a power estimation or the rate of change
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/03—Indexing scheme relating to amplifiers the amplifier being designed for audio applications

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Analogue/Digital Conversion (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Amplifiers (AREA)
JP2015110138A 2015-05-29 2015-05-29 デジタルシグナルプロセッサ及び音響機器 Active JP6506623B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2015110138A JP6506623B2 (ja) 2015-05-29 2015-05-29 デジタルシグナルプロセッサ及び音響機器
US15/162,877 US10033344B2 (en) 2015-05-29 2016-05-24 Digital signal processor and audio device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015110138A JP6506623B2 (ja) 2015-05-29 2015-05-29 デジタルシグナルプロセッサ及び音響機器

Publications (3)

Publication Number Publication Date
JP2016225807A JP2016225807A (ja) 2016-12-28
JP2016225807A5 JP2016225807A5 (OSRAM) 2017-11-02
JP6506623B2 true JP6506623B2 (ja) 2019-04-24

Family

ID=57399054

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015110138A Active JP6506623B2 (ja) 2015-05-29 2015-05-29 デジタルシグナルプロセッサ及び音響機器

Country Status (2)

Country Link
US (1) US10033344B2 (OSRAM)
JP (1) JP6506623B2 (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106656178A (zh) * 2016-12-29 2017-05-10 郑州云海信息技术有限公司 一种信号处理装置、系统及方法
KR20180113415A (ko) * 2017-04-06 2018-10-16 김금철 소리를 적응적으로 증폭하여 소리를 분석하는 장치 및 사용방법
JP6901362B2 (ja) * 2017-09-26 2021-07-14 株式会社河合楽器製作所 音量制御装置及び制御方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0644638A (ja) 1992-07-24 1994-02-18 Sony Corp 録音装置
GB2297443B (en) * 1995-01-26 1999-09-08 Sony Uk Ltd Amplifier
US5821889A (en) * 1996-11-06 1998-10-13 Sabine, Inc. Automatic clip level adjustment for digital processing
KR100226226B1 (ko) * 1997-02-24 1999-10-15 윤덕용 혼합형 증폭기
JP3642013B2 (ja) * 2000-08-08 2005-04-27 ヤマハ株式会社 非線形歪付加装置
NL1015993C2 (nl) * 2000-08-23 2002-02-26 Beltone Netherlands B V Werkwijze en inrichting voor het omzetten van een analoog ingangssignaal in een digitaal uitgangssignaal.
JP2004214843A (ja) * 2002-12-27 2004-07-29 Alpine Electronics Inc デジタルアンプ及びそのゲイン調整方法
JP2006180199A (ja) * 2004-12-22 2006-07-06 Alpine Electronics Inc デジタルアンプ搭載装置
US8036402B2 (en) * 2005-12-15 2011-10-11 Harman International Industries, Incorporated Distortion compensation
JP2008079183A (ja) * 2006-09-25 2008-04-03 Roland Corp リミッタ装置
JP5558276B2 (ja) * 2010-09-10 2014-07-23 株式会社タムラ製作所 音声処理装置
JP5900788B2 (ja) * 2012-01-17 2016-04-06 ヤマハ株式会社 アナログミキサ装置
JP6056356B2 (ja) * 2012-10-10 2017-01-11 ティアック株式会社 録音装置

Also Published As

Publication number Publication date
US20160352300A1 (en) 2016-12-01
JP2016225807A (ja) 2016-12-28
US10033344B2 (en) 2018-07-24

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