JPH025921U - - Google Patents
Info
- Publication number
- JPH025921U JPH025921U JP8358488U JP8358488U JPH025921U JP H025921 U JPH025921 U JP H025921U JP 8358488 U JP8358488 U JP 8358488U JP 8358488 U JP8358488 U JP 8358488U JP H025921 U JPH025921 U JP H025921U
- Authority
- JP
- Japan
- Prior art keywords
- volume
- band
- audio signal
- circuit
- limiting
- 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
- 230000005236 sound signal Effects 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Description
第１図はこの考案の一実施例のオーデイオ出力
装置を説明するためのブロツク図、第２図は第１
図のフイルタ制御回路の詳細を説明するためのブ
ロツク図、第３図は第２図のフイルタ制御回路に
おける各信号を説明するための図、第４図は従来
のオーデイオ出力装置を説明するためのブロツク
図である。
２１…ハイパスフイルタ、２２…ボリユーム、
２３…ボリユーム調整回路、２４…フイルタ制御
回路、２５…アンプ、２６…スピーカ、３１…ボ
リユーム制御データ発生回路、３２…クロツク発
振器、３３…分周カウンタ、３４…比較回路。
FIG. 1 is a block diagram for explaining an audio output device according to an embodiment of this invention, and FIG.
FIG. 3 is a block diagram for explaining the details of the filter control circuit shown in FIG. 2, FIG. 4 is a diagram for explaining each signal in the filter control circuit of FIG. 2, and FIG. It is a block diagram. 21...High pass filter, 22...Volume,
23... Volume adjustment circuit, 24... Filter control circuit, 25... Amplifier, 26... Speaker, 31... Volume control data generation circuit, 32... Clock oscillator, 33... Frequency division counter, 34... Comparison circuit.
Claims (1)
制限する帯域制限フイルタと、この帯域制限フイ
ルタから送出されるオーデイオ信号の出力レベル
を可変するボリユームと、このボリユームの可変
量を調整するボリユーム調整回路と、前記ボリユ
ームから送出されるオーデイオ信号を増幅する増
幅回路と、この増幅回路から出力される増幅され
たオーデイオ信号を可聴音に変換して出力するス
ピーカとを備えたオーデイオ出力装置において、
前記ボリユーム調整回路の調整量に応じて前記帯
域制限フイルタにおける制限帯域の幅を制御する
フイルタ制御回路を具備することを特徴とするオ
ーデイオ出力装置。 a band-limiting filter that limits the pass frequency band of an input audio signal; a volume that varies the output level of the audio signal sent from the band-limiting filter; a volume adjustment circuit that adjusts the variable amount of the volume; An audio output device comprising an amplifier circuit that amplifies an audio signal sent from a volume, and a speaker that converts the amplified audio signal output from the amplifier circuit into an audible sound and outputs the audible sound,
An audio output device comprising: a filter control circuit that controls a width of a limiting band in the band limiting filter according to an adjustment amount of the volume adjusting circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8358488U JPH025921U (en) | 1988-06-24 | 1988-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8358488U JPH025921U (en) | 1988-06-24 | 1988-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH025921U true JPH025921U (en) | 1990-01-16 |
Family
ID=31308297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8358488U Pending JPH025921U (en) | 1988-06-24 | 1988-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH025921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015116326A (en) * | 2013-12-18 | 2015-06-25 | Ｋｐｅ株式会社 | Game machine |
-
1988
- 1988-06-24 JP JP8358488U patent/JPH025921U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015116326A (en) * | 2013-12-18 | 2015-06-25 | Ｋｐｅ株式会社 | Game machine |