JPS58159627U - PCM playback device - Google Patents
PCM playback deviceInfo
- Publication number
- JPS58159627U JPS58159627U JP5610782U JP5610782U JPS58159627U JP S58159627 U JPS58159627 U JP S58159627U JP 5610782 U JP5610782 U JP 5610782U JP 5610782 U JP5610782 U JP 5610782U JP S58159627 U JPS58159627 U JP S58159627U
- Authority
- JP
- Japan
- Prior art keywords
- playback device
- pcm
- digital
- pass filter
- low
- 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ＰＣＭ再生装置のブロック図、第２図はデジタ
ル・アナログ変換器、第３図はローパスフィルター、第
４図ａは本考案による交換可能なデジタル・アナログ変
換部及びローパスフィルターが装着された図、第４図す
は第４図ａが嵌入されるｃｐｕ基板である。
１・・・・・・記録媒体、２・・・・・・符号再生回路
、３・・・・・・デジタル・アナログ変換器、４・・・
・・・ローパスフィルター、５・・・・・・復号化回路
、８・・・・・・重み抵抗型デジタル働アナログ、９・
・・・・・オペレーショナルアンプ、１０・・・・・・
ｃｐｕ基板。Fig. 1 is a block diagram of a PCM reproducing device, Fig. 2 is a digital-to-analog converter, Fig. 3 is a low-pass filter, and Fig. 4a is a block diagram of a PCM reproducing device equipped with a replaceable digital-to-analog converter and a low-pass filter according to the present invention. FIG. 4A is a CPU board into which FIG. 4A is inserted. DESCRIPTION OF SYMBOLS 1... Recording medium, 2... Code reproducing circuit, 3... Digital-to-analog converter, 4...
...Low pass filter, 5...Decoding circuit, 8...Weighted resistance type digital working analog, 9.
...Operational amplifier, 10...
cpu board.
Claims (1)
報信号を分離し、誤り訂正等のデジタル信号処理を行な
う符号再生回路と、該符号再生回路よりの出力をデジタ
ル・アナログ変換器を介して、ローパスフィルターにて
アナログ信号に変換し、アナログ信号処理を行なう復号
化回路よりなるＰＣＭ再生装置に於いて、回路定数の異
なるデジタル・アナログ変換器あるいはローパスフィル
ターを交換可能とした事を特徴とするＰＣＭ再生装置。 −[Claim for Utility Model Registration] A code reproducing circuit that separates information signals such as audio signals and performs digital signal processing such as error correction during reproduction of a recording medium recorded with PCM, and an output from the code reproducing circuit. In a PCM playback device consisting of a decoding circuit that converts the signal into an analog signal with a low-pass filter via a digital-to-analog converter and performs analog signal processing, replace the digital-to-analog converter or low-pass filter with different circuit constants. A PCM playback device that is characterized by the following. −
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5610782U JPS58159627U (en) | 1982-04-16 | 1982-04-16 | PCM playback device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5610782U JPS58159627U (en) | 1982-04-16 | 1982-04-16 | PCM playback device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58159627U true JPS58159627U (en) | 1983-10-24 |
| JPH0319092Y2 JPH0319092Y2 (en) | 1991-04-23 |
Family
ID=30066648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5610782U Granted JPS58159627U (en) | 1982-04-16 | 1982-04-16 | PCM playback device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58159627U (en) |
-
1982
- 1982-04-16 JP JP5610782U patent/JPS58159627U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0319092Y2 (en) | 1991-04-23 |
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