JPS647469U - - Google Patents
Info
- Publication number
- JPS647469U JPS647469U JP10078787U JP10078787U JPS647469U JP S647469 U JPS647469 U JP S647469U JP 10078787 U JP10078787 U JP 10078787U JP 10078787 U JP10078787 U JP 10078787U JP S647469 U JPS647469 U JP S647469U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- audio
- matrix
- control signal
- stereo
- 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
- 239000011159 matrix material Substances 0.000 claims 4
- 230000005236 sound signal Effects 0.000 claims 3
- 230000003321 amplification Effects 0.000 claims 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Television Receiver Circuits (AREA)
Description
第１図は本考案の一実施例の音声回路の回路図
である。
FIG. 1 is a circuit diagram of an audio circuit according to an embodiment of the present invention.
Claims (1)
ヤンネル信号及び副チヤンネル信号を入力してマ
トリクス処理により左右のステレオ信号を出力す
るマトクリクス回路と、該マトリクス回路の出力
音声信号を増幅してスピーカを駆動する音声出力
増幅回路とでなるテレビ受信機の音声回路におい
て、 上記マトリクス回路からの左右の音声声信号を
オン、オフするスイツチ手段と、該スイツチ手段
の後段に接続されるサラウンドプロセツサ回路と
、該サラウンドプロセツサ回路からのサラウンド
音声信号を増幅してリアスピーカを駆動するリア
音声出力増幅回路とを設け、上記スイツチ手段を
上記ステレオ制御信号によりオン切替するように
したことを特徴とする音声回路。 (2) 上記リア音声出力増幅回路が、上記ステレ
オ制御信号により音量を基準レベルに設定される
ようにしたことを特徴とする実用新案登録請求の
範囲第１項記載の音声回路。[Claims for Utility Model Registration] (1) A means for detecting a stereo control signal, a matrix circuit for inputting a main channel signal and a sub-channel signal and outputting left and right stereo signals through matrix processing, and an output of the matrix circuit. In the audio circuit of a television receiver, which includes an audio output amplification circuit that amplifies audio signals and drives speakers, there is provided a switch means for turning on and off the left and right audio signals from the matrix circuit, and a switch at a stage subsequent to the switch means. A connected surround processor circuit and a rear audio output amplification circuit for amplifying a surround audio signal from the surround processor circuit to drive rear speakers are provided, and the switching means is turned on by the stereo control signal. An audio circuit characterized by: (2) The audio circuit according to claim 1, wherein the volume of the rear audio output amplifying circuit is set to a reference level by the stereo control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10078787U JPS647469U (en) | 1987-06-30 | 1987-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10078787U JPS647469U (en) | 1987-06-30 | 1987-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS647469U true JPS647469U (en) | 1989-01-17 |
Family
ID=31329182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10078787U Pending JPS647469U (en) | 1987-06-30 | 1987-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS647469U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010057126A (en) * | 2008-08-29 | 2010-03-11 | Toshiba Corp | Video-audio reproducing apparatus, and video-audio reproducing method |
-
1987
- 1987-06-30 JP JP10078787U patent/JPS647469U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010057126A (en) * | 2008-08-29 | 2010-03-11 | Toshiba Corp | Video-audio reproducing apparatus, and video-audio reproducing method |
| JP4543107B2 (en) * | 2008-08-29 | 2010-09-15 | 株式会社東芝 | Video / audio playback apparatus and video / audio playback method |
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