JPH0216461U - - Google Patents
Info
- Publication number
- JPH0216461U JPH0216461U JP9429088U JP9429088U JPH0216461U JP H0216461 U JPH0216461 U JP H0216461U JP 9429088 U JP9429088 U JP 9429088U JP 9429088 U JP9429088 U JP 9429088U JP H0216461 U JPH0216461 U JP H0216461U
- Authority
- JP
- Japan
- Prior art keywords
- reproduced signal
- transversal filter
- frequency characteristics
- correction signal
- 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.)
- Pending
Links
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 1
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Description
第１図はこの考案の一実施例を示すブロツク図
である。第２図ａおよびｂは、それぞれ第１図に
おける入力再生信号および出力信号の波形の一例
を示す図である。第３図は従来の波形等化回路の
一例を示す図である。
図において、３は遅延素子、４は係数器、５は
加算アンプ、６は特性解析部、７は記憶装置、８
は特性判断部を示す。
FIG. 1 is a block diagram showing one embodiment of this invention. FIGS. 2a and 2b are diagrams showing examples of the waveforms of the input reproduction signal and the output signal in FIG. 1, respectively. FIG. 3 is a diagram showing an example of a conventional waveform equalization circuit. In the figure, 3 is a delay element, 4 is a coefficient unit, 5 is an addition amplifier, 6 is a characteristic analysis section, 7 is a storage device, and 8
indicates the characteristic judgment section.
Claims (1)
再生信号の周波数特性を補償する波形等化回路で
あつて、 前記再生信号を受けるトランスバーサルフイル
タ、 前記再生信号の周波数特性を解析する周波数特
性解析手段、 前記再生信号の理想的な周波数特性を記憶する
記憶手段、 前記周波数特性解析手段の出力と前記記憶手段
の出力とに基づいて、補正信号を発生する補正信
号発生手段、および 前記補正信号を前記トランスバーサルフイルタ
に与える手段を備え、それによつて 前記トランスバーサルフイルタの特性が自動的
に調整されることを特徴とする、波形等化回路。[Claims for Utility Model Registration] In a magnetic recording and reproducing device for PCM audio signals,
A waveform equalization circuit that compensates for the frequency characteristics of the reproduced signal, the circuit comprising: a transversal filter that receives the reproduced signal; a frequency characteristic analysis means that analyzes the frequency characteristics of the reproduced signal; and a memory that stores ideal frequency characteristics of the reproduced signal. correction signal generation means for generating a correction signal based on the output of the frequency characteristic analysis means and the output of the storage means; and means for applying the correction signal to the transversal filter; A waveform equalization circuit characterized in that characteristics of the transversal filter are automatically adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9429088U JPH0216461U (en) | 1988-07-15 | 1988-07-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9429088U JPH0216461U (en) | 1988-07-15 | 1988-07-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0216461U true JPH0216461U (en) | 1990-02-01 |
Family
ID=31318799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9429088U Pending JPH0216461U (en) | 1988-07-15 | 1988-07-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0216461U (en) |
-
1988
- 1988-07-15 JP JP9429088U patent/JPH0216461U/ja active Pending
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