JPH032403U - - Google Patents
Info
- Publication number
- JPH032403U JPH032403U JP6314989U JP6314989U JPH032403U JP H032403 U JPH032403 U JP H032403U JP 6314989 U JP6314989 U JP 6314989U JP 6314989 U JP6314989 U JP 6314989U JP H032403 U JPH032403 U JP H032403U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic tape
- inter
- song
- equalizer circuit
- acoustic signal
- 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
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 238000009499 grossing Methods 0.000 description 1
Description
第１図は本考案の実施例を示すブロツク図であ
り、第２図はハイパスフイルタ８とローパスフイ
ルタ１０の周波数特性を示す図であり、第３図は
制御用マイコン７の動作を示すフローチヤートで
あり、第４図は磁気ヘツドのギヤツプ損失を示す
特性図である。
図中、１……磁気テープ、２……再生磁気ヘツ
ド、３……再生イコライザアンプ、４……イコラ
イザ回路、７……制御用マイコン、８……ハイパ
スフイルタ、１０……ローパスフイルタ、９，１
１，１４……平滑回路、１２，１５……比較器。
FIG. 1 is a block diagram showing an embodiment of the present invention, FIG. 2 is a diagram showing the frequency characteristics of the high-pass filter 8 and the low-pass filter 10, and FIG. 3 is a flowchart showing the operation of the control microcomputer 7. FIG. 4 is a characteristic diagram showing the gap loss of the magnetic head. In the figure, 1...Magnetic tape, 2...Reproducing magnetic head, 3...Reproducing equalizer amplifier, 4...Equalizer circuit, 7...Control microcomputer, 8...High pass filter, 10...Low pass filter, 9, 1
1, 14...Smoothing circuit, 12, 15...Comparator.
Claims (1)
再生磁気ヘツドと、 該再生磁気ヘツドにより取り出された音響信号
の周波数特性を可変するイコライザ回路とからな
る磁気テープ再生装置において、 前記磁気テープ上の音響信号の間の曲間部分を
検出する曲間検出部と、 前記イコライザ回路から出力される信号をそれ
ぞれ複数の周波数帯域毎に通過させる複数のフイ
ルタ回路と、 前記曲間検出部により曲間部分が検出されたと
きに、該複数のフイルタ回路の出力信号のレベル
が等しくなるように、前記イコライザ回路の周波
数特性を変更する制御部とを具備することを特徴
とする磁気テープ再生装置。[Claims for Utility Model Registration] A magnetic tape on which an acoustic signal is recorded, a reproduction magnetic head for extracting the acoustic signal recorded on the magnetic tape, and a variable frequency characteristic of the acoustic signal extracted by the reproduction magnetic head. A magnetic tape playback device comprising an equalizer circuit, an inter-song detection section that detects an inter-song portion between acoustic signals on the magnetic tape, and a signal output from the equalizer circuit that passes through each of a plurality of frequency bands. a plurality of filter circuits, and a control section that changes the frequency characteristics of the equalizer circuit so that the levels of the output signals of the plurality of filter circuits become equal when the inter-song portion is detected by the inter-song detection section. A magnetic tape playback device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6314989U JPH032403U (en) | 1989-05-30 | 1989-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6314989U JPH032403U (en) | 1989-05-30 | 1989-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH032403U true JPH032403U (en) | 1991-01-11 |
Family
ID=31592943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6314989U Pending JPH032403U (en) | 1989-05-30 | 1989-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH032403U (en) |
-
1989
- 1989-05-30 JP JP6314989U patent/JPH032403U/ja active Pending
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