JPH0431406U

JPH0431406U -

Info

Publication number: JPH0431406U
Application number: JP7253190U
Authority: JP
Priority date: 1990-07-06
Filing date: 1990-07-06
Publication date: 1992-03-13

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例のイコライザ１１を
装備する音響再生装置１２の正面図、第２図はイ
コライザ１１の電気的構成を示すブロツク図、第
３図は低音域の補正量と表示領域Ａの点灯状態と
の関係を示す図、第４図は読出専用メモリ５１内
に記憶されている周波数特性の基本的な補正パタ
ーンを説明するための図、第５図は従来技術のグ
ラフイツクイコライザ１の正面図、第６図はグラ
フイツクイコライザ１の表示例を示す図である。１１……イコライザ、１２……音響再生装置、
２０……イコライザスイツチ、２１〜２３……ボ
リウム、２４……表示装置、３１……入力操作部
、３２……処理回路、３４……演算増幅器、３９
，４１……共振回路、４４……ＲＣ直列回路、５
１，５２……メモリ、Ａ，Ｂ，Ｃ，Ｄ，Ｅ……表
示領域、ＶＲａ，ＶＲｂ，ＶＲｃ……電子ボリウ
ム。 Fig. 1 is a front view of a sound reproduction device 12 equipped with an equalizer 11 according to an embodiment of the present invention, Fig. 2 is a block diagram showing the electrical configuration of the equalizer 11, and Fig. 3 is a display showing the amount of correction in the bass range. A diagram showing the relationship with the lighting state of area A, FIG. 4 is a diagram for explaining the basic correction pattern of frequency characteristics stored in the read-only memory 51, and FIG. 5 is a graphic diagram of the prior art. FIG. 6, a front view of the equalizer 1, is a diagram showing a display example of the graphic equalizer 1. 11... Equalizer, 12... Sound reproduction device,
20... Equalizer switch, 21-23... Volume, 24... Display device, 31... Input operation section, 32... Processing circuit, 34... Operational amplifier, 39
, 41... Resonance circuit, 44... RC series circuit, 5
1, 52...Memory, A, B, C, D, E...Display area, VRa, VRb, VRc...Electronic volume.

Claims

[Claims for Utility Model Registration] (1) In a frequency characteristic correction device that enhances or attenuates an acoustic signal by a preset correction amount for each of a plurality of bands, a plurality of first display means for displaying the correction amounts; a second display means disposed between the plurality of first display means; and a first display means for displaying the correction amounts set for each band. calculation means for creating display data for the means and calculating an average value of display data for the first display means adjacent to the second display means to create display data for the second display means; 1. A frequency characteristic correction device comprising: a drive means for driving the first and second display means for display in response to display data. (2) In a frequency characteristic correction device that enhances or attenuates an acoustic signal with a preset correction amount for each of a plurality of bands, a plurality of frequency characteristic correction devices are provided for each of the plurality of bands and display the correction amount for each band. a first display means; a second display means disposed between the plurality of first display means; and creating display data for the first display means based on the correction amount set for each of the bands. , a calculation means for calculating an average value of correction amounts set in a band corresponding to a first display means adjacent to the second display means to create display data for the second display means; 1. A frequency characteristic correction device comprising: a drive means for driving the first and second display means for display in response to display data.