Equalizer amplifier

Japanese: イコライザーアンプ - いこらいざーあんぷ
Equalizer amplifier

...In tape recording and playback, disk record recording and playback, FM broadcasting, and the like, the frequency characteristics are changed to take into account distortion and noise based on the nature of the program sound and the characteristics of these systems, and recording and transmission are performed. For this reason, compensation is made so that the overall characteristics are flat during playback and reception, and these amplifiers are called equalizers or equalizer amplifiers. On the other hand, sound quality adjustment devices built into audio control consoles, etc., that change the frequency characteristics to create tone are also called equalizers. ...

*Some of the terminology that mentions "equalizer amplifier" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…テープ録音再生やディスクレコードの録音再生,FM放送などでは,番組音の性質やこれらのシステムの特性から,ひずみや雑音を考慮して周波数特性を変えて録音や送出を行っている。このため,再生や受信のときに総合特性が平たんになるように補償しており,これらの増幅器をイコライザーとかイコライザーアンプと称している。一方,周波数特性を変化させて音色を作ることから,音響調整卓などに組み込まれている音質調整器をイコライザーという。…

※「イコライザーアンプ」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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