JPS5850721U - Auditory correction circuit - Google Patents
Auditory correction circuitInfo
- Publication number
- JPS5850721U JPS5850721U JP14119281U JP14119281U JPS5850721U JP S5850721 U JPS5850721 U JP S5850721U JP 14119281 U JP14119281 U JP 14119281U JP 14119281 U JP14119281 U JP 14119281U JP S5850721 U JPS5850721 U JP S5850721U
- Authority
- JP
- Japan
- Prior art keywords
- memory
- volume setting
- correction circuit
- output volume
- characteristic data
- 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.)
- Pending
Links
Landscapes
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、同一聴感曲線の周波数特性を示すグラフ、第
２図は本考案回路の電気的な構成を示すブロック図、第
３図はメモリ内に設けられるテーブルの内容を示すメモ
リマツプ、第４図はＶＣＦ ３のフィルタ特性の変化を
示すグラフ、第５図はコントローラを構成するマイクロ
コンピュータのシステムプログラムの一部を示すフロー
チャート、第６図は同システムプログラムの一部を示す
フローチャートである。
１・・・・・・ＶＣＡ、２・・・・・・コントローラ、
３・・・・・・ＶＣＦ、 ４・・・・・・アンプ、５・
・・・・・音量操作部、６・・・・・・フィルタ特性操
作部、７・・・・・・モード設定器、８・・・・・・メ
モリ。Fig. 1 is a graph showing the frequency characteristics of the same auditory curve, Fig. 2 is a block diagram showing the electrical configuration of the circuit of the present invention, Fig. 3 is a memory map showing the contents of a table provided in the memory, and Fig. 4 is a graph showing the frequency characteristics of the same hearing curve. The figure is a graph showing changes in the filter characteristics of the VCF 3, FIG. 5 is a flowchart showing part of the system program of the microcomputer constituting the controller, and FIG. 6 is a flowchart showing part of the system program. 1...VCA, 2...Controller,
3...VCF, 4...Amplifier, 5.
... Volume operation section, 6 ... Filter characteristic operation section, 7 ... Mode setting device, 8 ... Memory.
Claims (1)
出力音量設定に対しで最適聴感を得る−に必要なフィル
タ特性データを記憶するメモリと、前記音量レベル検出
手段で検出された出力音量設定に対応するフィルタ特性
データを前記メモリから読出す読出制御手段と、オーデ
ィオ信号経路に介挿され、かつ前記読出制御手段を介し
てメモリから読出されたフィルタ特性データに対応して
、周波数特性が設定される可変特性フィルタとを具備す
ることを特徴とする聴感補正回路。a detection means for detecting output volume setting data; a memory for storing filter characteristic data necessary for obtaining the optimum hearing sensation for each output volume setting; and an output volume setting detected by the volume level detection means. readout control means for reading out filter characteristic data corresponding to the memory from the memory; and a frequency characteristic set corresponding to the filter characteristic data inserted in the audio signal path and read out from the memory via the readout control means. What is claimed is: 1. A hearing correction circuit comprising: a variable characteristic filter;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14119281U JPS5850721U (en) | 1981-09-22 | 1981-09-22 | Auditory correction circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14119281U JPS5850721U (en) | 1981-09-22 | 1981-09-22 | Auditory correction circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5850721U true JPS5850721U (en) | 1983-04-06 |
Family
ID=29934309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14119281U Pending JPS5850721U (en) | 1981-09-22 | 1981-09-22 | Auditory correction circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5850721U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5465275A (en) * | 1977-10-07 | 1979-05-25 | Transcale Ab | Controller for electronic device |
| JPS5617509A (en) * | 1979-07-23 | 1981-02-19 | Sony Corp | Control circuit of frequency characteristics |
| JPS56110318A (en) * | 1980-01-21 | 1981-09-01 | Motorola Inc | Radio with audio graphic equalizer |
-
1981
- 1981-09-22 JP JP14119281U patent/JPS5850721U/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5465275A (en) * | 1977-10-07 | 1979-05-25 | Transcale Ab | Controller for electronic device |
| JPS5617509A (en) * | 1979-07-23 | 1981-02-19 | Sony Corp | Control circuit of frequency characteristics |
| JPS56110318A (en) * | 1980-01-21 | 1981-09-01 | Motorola Inc | Radio with audio graphic equalizer |
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