JPS6322652U - - Google Patents
Info
- Publication number
- JPS6322652U JPS6322652U JP11386686U JP11386686U JPS6322652U JP S6322652 U JPS6322652 U JP S6322652U JP 11386686 U JP11386686 U JP 11386686U JP 11386686 U JP11386686 U JP 11386686U JP S6322652 U JPS6322652 U JP S6322652U
- Authority
- JP
- Japan
- Prior art keywords
- output
- audio signal
- day
- analog
- digital
- 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
- 230000005236 sound signal Effects 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
Description
第１図はこの考案のオーデイオ信号再生平衡出
力装置の実施例のブロツク図、第２図は従来のオ
ーデイオ信号再生平衡出力装置のブロツク図であ
る。
１，２１……Ｄ／Ａ変換器、６，２６……電流
電圧変換回路、９，２９……アナログスイツチ、
１３，３３……デイグリツジ回路、１４，３４…
…ローパスフイルタ、１８……平衡出力端子、２
０……データ変換器。
FIG. 1 is a block diagram of an embodiment of the audio signal reproducing balanced output device of this invention, and FIG. 2 is a block diagram of a conventional audio signal reproducing balanced output device. 1, 21... D/A converter, 6, 26... Current voltage conversion circuit, 9, 29... Analog switch,
13, 33... day grid circuit, 14, 34...
...Low pass filter, 18...Balanced output terminal, 2
0...Data converter.
Claims (1)
電流を出力する第１のデイジタル／アナログ変換
器と、上記アナログ電流をオーデイオ信号電圧に
変換する第１の電流電圧変換回路と、上記第１の
デイジタル／アナログ変換器からのコントロール
信号に基づき上記オーデイオ信号電圧をサンプル
ホールドするとともにグリツジを除去する第１の
デイグリツジ回路と、この第１のデイグリツジ回
路の出力を平滑する第１のローパスフイルタと、
上記デイジタルオーデイオ信号を入力して反転出
力するようなデータに変換するデータ変換器と、
このデータ変換器の出力からアナログ電流を出力
する第２のデイジタル／アナログ変換器と、この
アナログ電流をオーデイオ信号電圧に変換する第
２の電流電圧変換回路と、上記第２のデイジタル
／アナログ変換器からのコントロール信号に基づ
き上記オーデイオ信号電圧をサンプルホールドす
るとともにグリツジを除去する第２のデイグリツ
ジ回路と、この第２のデイグリツジ回路の出力を
平滑する第２のローパスフイルタと、上記第１の
ローパスフイルタの出力から完全なアナログオー
デイオ信号の非反転出力を出力するとともに上記
第２のローパスフイルタの出力から完全なアナロ
グオーデイオ信号の反転出力を出力する平衡出力
端子とよりなるオーデイオ信号再生平衡出力装置
。 a first digital/analog converter that inputs a digital audio signal and outputs an analog current; a first current-voltage conversion circuit that converts the analog current into an audio signal voltage; and the first digital/analog converter. a first day-grid circuit that samples and holds the audio signal voltage and removes glitches based on a control signal from the first day-grid circuit; a first low-pass filter that smoothes the output of the first day-grid circuit;
a data converter that inputs the digital audio signal and converts it into data that is inverted and output;
a second digital/analog converter that outputs an analog current from the output of the data converter; a second current-voltage conversion circuit that converts the analog current into an audio signal voltage; and the second digital/analog converter. a second day-grid circuit that samples and holds the audio signal voltage and removes glitches based on a control signal from the second day-grid circuit; a second low-pass filter that smoothes the output of the second day-grid circuit; and a second low-pass filter that smoothes the output of the second day-grid circuit; An audio signal reproducing balanced output device comprising a balanced output terminal for outputting a non-inverted output of a complete analog audio signal from the output of the second low-pass filter and outputting an inverted output of the complete analog audio signal from the output of the second low-pass filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11386686U JPS6322652U (en) | 1986-07-24 | 1986-07-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11386686U JPS6322652U (en) | 1986-07-24 | 1986-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6322652U true JPS6322652U (en) | 1988-02-15 |
Family
ID=30996071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11386686U Pending JPS6322652U (en) | 1986-07-24 | 1986-07-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6322652U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57178417A (en) * | 1981-04-27 | 1982-11-02 | Hitachi Ltd | Digital to analog converting circuit |
| JPS6139726A (en) * | 1984-07-31 | 1986-02-25 | Nec Corp | Digital-analog converting circuit |
-
1986
- 1986-07-24 JP JP11386686U patent/JPS6322652U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57178417A (en) * | 1981-04-27 | 1982-11-02 | Hitachi Ltd | Digital to analog converting circuit |
| JPS6139726A (en) * | 1984-07-31 | 1986-02-25 | Nec Corp | Digital-analog converting circuit |
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