[go: up one dir, main page]

WO2008090899A1 - 音響調整装置、音響装置及び音声編集プログラム - Google Patents

音響調整装置、音響装置及び音声編集プログラム Download PDF

Info

Publication number
WO2008090899A1
WO2008090899A1 PCT/JP2008/050835 JP2008050835W WO2008090899A1 WO 2008090899 A1 WO2008090899 A1 WO 2008090899A1 JP 2008050835 W JP2008050835 W JP 2008050835W WO 2008090899 A1 WO2008090899 A1 WO 2008090899A1
Authority
WO
WIPO (PCT)
Prior art keywords
sound
adjusting device
amplitude
phase characteristics
filter
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.)
Ceased
Application number
PCT/JP2008/050835
Other languages
English (en)
French (fr)
Inventor
Yasushi Matsumoto
Kazuaki Maeda
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.)
Toa Corp
Original Assignee
Toa 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 Toa Corp filed Critical Toa Corp
Priority to JP2008555077A priority Critical patent/JPWO2008090899A1/ja
Publication of WO2008090899A1 publication Critical patent/WO2008090899A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/02—Manually-operated control
    • H03G5/025—Equalizers; Volume or gain control in limited frequency bands
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0294—Variable filters; Programmable filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0294—Variable filters; Programmable filters
    • H03H2017/0297—Coefficients derived from input parameters

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)

Abstract

　聴取者の好みや種々の用途等に応じて音質の調整を容易に行うことができる音響調整装置を提供する。本発明の音響調整装置は、入力される音声信号に対し、設定されるフィルタ係数に応じたフィルタ処理を施して出力するＦＩＲフィルタ（１１）と、ＦＩＲフィルタ（１１）の振幅特性及び位相特性を変更するために、変更後に実現されるべき振幅特性及び位相特性を指定する操作入力部（１３）と、操作入力部（１３）により指定される振幅特性及び位相特性に応じたフィルタ係数をＦＩＲフィルタ（１１）に設定する演算制御部（１２）とを備えている。
PCT/JP2008/050835 2007-01-22 2008-01-22 音響調整装置、音響装置及び音声編集プログラム Ceased WO2008090899A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008555077A JPWO2008090899A1 (ja) 2007-01-22 2008-01-22 音響調整装置、音響装置及び音声編集プログラム

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP2007-012072 2007-01-22
JP2007012075 2007-01-22
JP2007-012075 2007-01-22
JP2007012072 2007-01-22
JP2007-012073 2007-01-22
JP2007012073 2007-01-22
JP2007333733 2007-12-26
JP2007-333734 2007-12-26
JP2007333734 2007-12-26
JP2007-333733 2007-12-26

Publications (1)

Publication Number Publication Date
WO2008090899A1 true WO2008090899A1 (ja) 2008-07-31

Family

ID=39644473

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/050835 Ceased WO2008090899A1 (ja) 2007-01-22 2008-01-22 音響調整装置、音響装置及び音声編集プログラム

Country Status (2)

Country Link
JP (3) JPWO2008090899A1 (ja)
WO (1) WO2008090899A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017009970A1 (ja) * 2015-07-15 2017-01-19 三菱電機株式会社 パワーステアリング調整装置
JP2021057734A (ja) * 2019-09-30 2021-04-08 ヤマハ株式会社 制御方法、制御装置、及びプログラム

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01160207A (ja) * 1987-12-17 1989-06-23 Matsushita Electric Ind Co Ltd 音質調整装置
JPH01176113A (ja) * 1987-12-29 1989-07-12 Sony Corp ディジタル信号処理装置
JPH04116774A (ja) * 1990-09-06 1992-04-17 Matsushita Electric Ind Co Ltd ディジタルフィルタ合成装置とディジタルフィルタ合成方法
JPH0795684A (ja) * 1993-09-21 1995-04-07 Yamaha Corp 音響特性補正装置
JPH08237056A (ja) * 1995-02-23 1996-09-13 Biiba Kk 振幅・位相調整装置
JP2003168958A (ja) * 2001-11-29 2003-06-13 Sakai Yasue デジタルフィルタの設計方法および設計装置、デジタルフィルタ設計用プログラム、デジタルフィルタ
JP2003273677A (ja) * 2002-03-19 2003-09-26 Yamaha Corp イコライザ及びそのプログラム
JP2006253997A (ja) * 2005-03-10 2006-09-21 Yamaha Corp グラフィックイコライザ制御装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61237596A (ja) * 1985-04-13 1986-10-22 Japan Radio Co Ltd 拡声装置系における周波数特性補正用イコライザ装置
JP2681349B2 (ja) * 1986-08-08 1997-11-26 ヤマハ株式会社 スピーカ再生装置
JPH06105867B2 (ja) * 1987-12-18 1994-12-21 松下電器産業株式会社 フィルタ係数演算装置
US4956806A (en) * 1988-07-12 1990-09-11 International Business Machines Corporation Method and apparatus for editing source files of differing data formats using an edit tracking file
JPH04235406A (ja) * 1991-01-09 1992-08-24 Onkyo Corp ディジタルイコライザー
JP3309346B2 (ja) * 1993-06-11 2002-07-29 ティーオーエー株式会社 イコライザ
JP3309349B2 (ja) * 1993-07-12 2002-07-29 ティーオーエー株式会社 イコライザ及び音場補正装置
JP3989990B2 (ja) * 1996-09-06 2007-10-10 ティーオーエー株式会社 音響信号処理装置
JPH1083191A (ja) * 1996-09-06 1998-03-31 Toa Corp 信号処理装置
JP2000217186A (ja) * 1999-01-22 2000-08-04 Roland Corp スピ―カ―・シミュレ―タおよびミキサ―
US20040044970A1 (en) * 2002-08-29 2004-03-04 Anderson Howard C. Apparatus and method for synthesizing and designing circuits and filters
JP4529513B2 (ja) * 2004-03-30 2010-08-25 ブラザー工業株式会社 音圧周波数特性調整装置、プログラム、楽曲再生装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01160207A (ja) * 1987-12-17 1989-06-23 Matsushita Electric Ind Co Ltd 音質調整装置
JPH01176113A (ja) * 1987-12-29 1989-07-12 Sony Corp ディジタル信号処理装置
JPH04116774A (ja) * 1990-09-06 1992-04-17 Matsushita Electric Ind Co Ltd ディジタルフィルタ合成装置とディジタルフィルタ合成方法
JPH0795684A (ja) * 1993-09-21 1995-04-07 Yamaha Corp 音響特性補正装置
JPH08237056A (ja) * 1995-02-23 1996-09-13 Biiba Kk 振幅・位相調整装置
JP2003168958A (ja) * 2001-11-29 2003-06-13 Sakai Yasue デジタルフィルタの設計方法および設計装置、デジタルフィルタ設計用プログラム、デジタルフィルタ
JP2003273677A (ja) * 2002-03-19 2003-09-26 Yamaha Corp イコライザ及びそのプログラム
JP2006253997A (ja) * 2005-03-10 2006-09-21 Yamaha Corp グラフィックイコライザ制御装置

Also Published As

Publication number Publication date
JP2013081243A (ja) 2013-05-02
JP5498563B2 (ja) 2014-05-21
JPWO2008090899A1 (ja) 2010-05-20
JP2013081244A (ja) 2013-05-02
JP5661730B2 (ja) 2015-01-28

Similar Documents

Publication Publication Date Title
WO2009041012A1 (ja) ノイズ制御システム
WO2007099116A3 (en) Hearing aid and method of compensation for direct sound in hearing aids
CN101183859B (zh) 音频压缩器和音频压缩方法
WO2007079068A3 (en) Breathing biofeedback device
WO2005101959A3 (en) Dynamic range control and equalization of digital audio using warped processing
MY150381A (en) Method and apparatus for generating a binaural audio signal
WO2010038075A3 (en) Apparatus and method for reproducing a sound field with a loudspeaker array controlled via a control volume
WO2007106553B1 (en) Binaural rendering using subband filters
JP2017515149A5 (ja)
WO2004111994A3 (en) Method, apparatus and computer program for calculating and adjusting the perceived loudness of an audio signal
WO2011001433A3 (en) A system and a method for providing sound signals
WO2009022330A3 (en) Dynamically variable filter
WO2008076607A3 (en) Method and apparatus for mixing priority and non-priority audio signals
EP2363784A3 (en) Personal listening device having input applied to the housing to provide a desired function and method
WO2008145409A3 (en) Hearing instrument and method for providing hearing assistance to a user
WO2010013940A3 (en) A method and an apparatus for processing an audio signal
DK1949755T3 (da) Høreapparat og fremgangsmåde til behandling af indgangssignaler i et høreapparat
MY156027A (en) Resampling output signals of qmf based audio codecs
DK2317778T3 (da) Høreapparat og fremgangsmåde til at anvende forstærkningsbegrænsning i et høreapparat
WO2006114015A3 (en) Method for manufacturing an audio signal
JP2006203850A5 (ja)
EP1553804A3 (en) Acoustic characteristic adjustment device
WO2011000973A3 (en) Method for adjusting a hearing device and a hearing device that is operable according to said method
DK1874082T3 (da) Apparat og fremgangsmåde til trinlængdestyring af et adaptivt filter
GB2549805A (en) Audio signals

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08703679

Country of ref document: EP

Kind code of ref document: A1

DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
ENP Entry into the national phase

Ref document number: 2008555077

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08703679

Country of ref document: EP

Kind code of ref document: A1