JPS59149800U - sound field expansion device - Google Patents
sound field expansion deviceInfo
- Publication number
- JPS59149800U JPS59149800U JP4355283U JP4355283U JPS59149800U JP S59149800 U JPS59149800 U JP S59149800U JP 4355283 U JP4355283 U JP 4355283U JP 4355283 U JP4355283 U JP 4355283U JP S59149800 U JPS59149800 U JP S59149800U
- Authority
- JP
- Japan
- Prior art keywords
- sound field
- field expansion
- expansion device
- circuit
- signal
- 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
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図はこの考案の一実施例の概略構成ブロック図であ
る。第２図は第１図に示すステレオ／モノラル判別回路
の構成ブロック図である。
図において、３は音場拡大回路、４はステレオ／モノラ
ル判別回路、５はコントロール回路、４１は自動レベル
コントロール増幅回路、４２は差動増幅回路を示す。FIG. 1 is a schematic block diagram of an embodiment of this invention. FIG. 2 is a block diagram of the configuration of the stereo/monaural discrimination circuit shown in FIG. 1. In the figure, 3 is a sound field expansion circuit, 4 is a stereo/monaural discrimination circuit, 5 is a control circuit, 41 is an automatic level control amplifier circuit, and 42 is a differential amplifier circuit.
Claims (1)
拡大効果を実現する音場拡大回路と、該音場拡大回路を
制御するコントロール回路とを含む音場拡大装置におい
て、 前記入力信号がステレオ信号であるかモノラル信号であ
るかを自動的に判別し、該判別出力を前記コントロール
回路に与えるステレオ／モノラル判別回路を備えたこと
を特徴とする、音場拡大装置。[Claims for Utility Model Registration] A sound field expansion device including a sound field expansion circuit that realizes a sound field expansion effect by rotating the phase of an input signal, and a control circuit that controls the sound field expansion circuit, A sound field expansion device comprising a stereo/monaural discrimination circuit that automatically discriminates whether an input signal is a stereo signal or a monaural signal and provides an output of the discrimination to the control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4355283U JPS59149800U (en) | 1983-03-24 | 1983-03-24 | sound field expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4355283U JPS59149800U (en) | 1983-03-24 | 1983-03-24 | sound field expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59149800U true JPS59149800U (en) | 1984-10-06 |
Family
ID=30174088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4355283U Pending JPS59149800U (en) | 1983-03-24 | 1983-03-24 | sound field expansion device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59149800U (en) |
-
1983
- 1983-03-24 JP JP4355283U patent/JPS59149800U/en active Pending
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