JPS6020065U - Stereo PCM demodulator - Google Patents
Stereo PCM demodulatorInfo
- Publication number
- JPS6020065U JPS6020065U JP10959983U JP10959983U JPS6020065U JP S6020065 U JPS6020065 U JP S6020065U JP 10959983 U JP10959983 U JP 10959983U JP 10959983 U JP10959983 U JP 10959983U JP S6020065 U JPS6020065 U JP S6020065U
- Authority
- JP
- Japan
- Prior art keywords
- stereo
- low
- pcm
- analog
- output
- 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.)
- Granted
Links
Landscapes
- Signal Processing For Digital Recording And Reproducing (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図は従来のステレオＰＣＭ復調装置を示すブロック
図。第２図は第１図に示したステレオＰＣＭ復調装置の
作用の説明に供する出力波形図。
第３図は本考案の一実施例の構成を示すブロック図。第
４図は移相器の一例を示す回路図。第５図 ゛は第
４図に示した移相器の振幅、位相−周波数特性図。
１・・・・・・Ｄ／Ａ変換器、２および３・・・・・田
−パス、 フィルタ、４・・・・・・スイッチ回路、５
・・・・・・移相器。FIG. 1 is a block diagram showing a conventional stereo PCM demodulator. FIG. 2 is an output waveform diagram for explaining the operation of the stereo PCM demodulator shown in FIG. 1. FIG. 3 is a block diagram showing the configuration of an embodiment of the present invention. FIG. 4 is a circuit diagram showing an example of a phase shifter. FIG. 5 is an amplitude and phase-frequency characteristic diagram of the phase shifter shown in FIG. 4. 1... D/A converter, 2 and 3... Data path, filter, 4... Switch circuit, 5
・・・・・・Phase shifter.
Claims (1)
に変換しかつ該アナログ出力が左右何れのチャンネルの
信号であるかを示すスイッチコントロール信号を出力す
るＤ／Ａ変換器と、第１および第２のローパスフィルタ
と、前記スイッチコントロール信号によって切換えられ
て前記アナログ出力を第１および第２のローパスフィル
タに交互・＼ に供給するスイッチ手段とを備え、
前記ＰＣＭコード化されたステレオ音声信号をアナログ
ステレオ信号に復調するステレオＰＣＭ復調装置におい
て、第１または第２のローパスフィルタの次段に接続さ
れた移相手段を備え、該移相手段から出力されるチャン
ネルのアナログ音声信号位相と、前記移相手段が接続さ
れていないローパスフィルタから出力されるチャンネル
のアナログ音声信号位相とをほぼ一致させるようにして
なるステレオＰＣＭ復調装置。a D/A converter that converts a PCM-encoded stereo audio signal into an analog output and outputs a switch control signal indicating whether the analog output is a left or right channel signal; and first and second low-pass signals. a filter, and switch means that is switched by the switch control signal to alternately supply the analog output to the first and second low-pass filters,
The stereo PCM demodulation device for demodulating the PCM-coded stereo audio signal into an analog stereo signal includes a phase shift means connected to the next stage of the first or second low-pass filter, and the phase shift means output from the phase shift means. A stereo PCM demodulation device configured to substantially match the phase of an analog audio signal of a channel output from a low-pass filter to which the phase shifting means is not connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10959983U JPS6020065U (en) | 1983-07-16 | 1983-07-16 | Stereo PCM demodulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10959983U JPS6020065U (en) | 1983-07-16 | 1983-07-16 | Stereo PCM demodulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6020065U true JPS6020065U (en) | 1985-02-12 |
| JPH0351813Y2 JPH0351813Y2 (en) | 1991-11-07 |
Family
ID=30255238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10959983U Granted JPS6020065U (en) | 1983-07-16 | 1983-07-16 | Stereo PCM demodulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6020065U (en) |
-
1983
- 1983-07-16 JP JP10959983U patent/JPS6020065U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0351813Y2 (en) | 1991-11-07 |
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