JPS6448974U - - Google Patents
Info
- Publication number
- JPS6448974U JPS6448974U JP14414087U JP14414087U JPS6448974U JP S6448974 U JPS6448974 U JP S6448974U JP 14414087 U JP14414087 U JP 14414087U JP 14414087 U JP14414087 U JP 14414087U JP S6448974 U JPS6448974 U JP S6448974U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- dolby surround
- audio
- signal
- delay circuit
- 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
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 230000001934 delay Effects 0.000 claims 1
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Television Receiver Circuits (AREA)
Description
第１図は本考案の一実施例の要部のブロツク図
、第２図は従来例のブロツク図である。
１……音声多重復調回路、７，１２……ドルビ
ーサラウンドデコーダ、９……遅延回路、１０…
…ローパスフイルタ、１１……変形Ｂノイズリダ
クシヨン回路。
FIG. 1 is a block diagram of a main part of an embodiment of the present invention, and FIG. 2 is a block diagram of a conventional example. 1...Audio multiplex demodulation circuit, 7, 12...Dolby surround decoder, 9...Delay circuit, 10...
...Low pass filter, 11...Modified B noise reduction circuit.
Claims (1)
回路と、この遅延回路の出力のノイズ成分を除去
するフイルタ回路と、このフイルタ回路の出力か
らドルビーサラウンド信号を復調する変形Ｂノイ
ズリダクシヨン回路とを有するドルビーサラウン
ドデコーダを備えるとともに、音声多重ステレオ
信号から左右の音声信号を復調する音声多重復調
回路を備え、 ステレオ放送受信時には、前記音声多重復調回
路から取り出される副チヤンネル信号をドルビー
サラウンド信号成分として前記ドルビーサラウン
ドデコーダの遅延回路に与えることを特徴とする
音声多重受信装置。[Claims for Utility Model Registration] A delay circuit that delays a Dolby surround signal component, a filter circuit that removes noise components from the output of this delay circuit, and a modified B noise reducer that demodulates a Dolby surround signal from the output of this filter circuit. and an audio multiplexing demodulation circuit that demodulates left and right audio signals from the audio multiplexing stereo signal, and when receiving stereo broadcasting, the sub-channel signal extracted from the audio multiplexing and demodulating circuit is converted into Dolby surround. An audio multiplex reception device characterized in that the signal component is applied to a delay circuit of the Dolby surround decoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14414087U JPS6448974U (en) | 1987-09-21 | 1987-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14414087U JPS6448974U (en) | 1987-09-21 | 1987-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6448974U true JPS6448974U (en) | 1989-03-27 |
Family
ID=31411582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14414087U Pending JPS6448974U (en) | 1987-09-21 | 1987-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6448974U (en) |
-
1987
- 1987-09-21 JP JP14414087U patent/JPS6448974U/ja active Pending
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