JPS60201504A - Magnetic recording and reproducing device - Google Patents
Magnetic recording and reproducing deviceInfo
- Publication number
- JPS60201504A JPS60201504A JP5427084A JP5427084A JPS60201504A JP S60201504 A JPS60201504 A JP S60201504A JP 5427084 A JP5427084 A JP 5427084A JP 5427084 A JP5427084 A JP 5427084A JP S60201504 A JPS60201504 A JP S60201504A
- Authority
- JP
- Japan
- Prior art keywords
- recording
- audio
- circuit
- tape speed
- reproducing device
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/027—Analogue recording
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
【発明の詳細な説明】
〔発明の利用分野〕
本発明は、磁気記録再生装置（以下ＶＴＲと呼ぶ）に係
り、特に音声信号のみ記録するに好適なＶＴＲＫ関する
。DETAILED DESCRIPTION OF THE INVENTION [Field of Application of the Invention] The present invention relates to a magnetic recording/reproducing apparatus (hereinafter referred to as a VTR), and particularly to a VTRK suitable for recording only audio signals.
従来、ＶＴＲに於て、音声信号を固定ヘッドで記録した
場合、記録テープスピードが遅い程。Conventionally, when audio signals are recorded with a fixed head in a VTR, the recording tape speed is slower.
再生音声信号は劣化していた。しかし１回転ヘッドで記
録した音声信号は、テープ走行速度が多少変化しても音
質劣化が見られない。The reproduced audio signal was degraded. However, audio signals recorded with a single-rotation head show no deterioration in sound quality even if the tape running speed changes somewhat.
従来のＦＭ音声記録ＶＴＲは音声信号と映像信号を、同
じテープスピードで記録していた為。This is because conventional FM audio recording VTRs record audio and video signals at the same tape speed.
回転ヘッドで音声記録をした場合、遅いスピードモード
で記録しても良いという上記利点を生かせなかった。When recording audio with a rotating head, the above-mentioned advantage of being able to record in a slow speed mode could not be taken advantage of.
本発明の目的は、ＶＴＲで音声信号のみ記録するモード
に於て、自動的に最も遅いテープスピードで記録され、
音質を劣化させずに長時間記録に対応できるＦＭ音声記
録ＶＴＲを提供することＫある。An object of the present invention is to automatically record at the slowest tape speed when the VTR is in a mode in which only audio signals are recorded.
It is an object of the present invention to provide an FM audio recording VTR capable of supporting long-time recording without deteriorating sound quality.
音声信号を回転ヘッドで記録するＶＴＲに於ては、その
テープスピードモードを変えても、その音質の劣化の有
意差は見られない。In VTRs that record audio signals with a rotating head, there is no significant difference in the deterioration of the sound quality even if the tape speed mode is changed.
本発明はこの点を利用して、音声のみ記録モードに入っ
ている時は、自動的に長時間記録子−ドになる様にした
ものである。The present invention takes advantage of this point and automatically switches to a long-term recording mode when the audio only recording mode is entered.
以下１本発明の一実施例を第１図、第２図により説明す
る。第１図は回転ヘッドで音声ＦＭ変調記録をするＶＴ
Ｒの信号系回路部と、テープスピード制御系回路部のブ
ロック図である。An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. Figure 1 shows a VT that records audio FM modulation with a rotating head.
FIG. 2 is a block diagram of a signal system circuit section and a tape speed control system circuit section of R.
同図に於て信号入力切換スイッチ回路１が音声記録専用
モードになっている場合は、記録テープスピード切換−
路１０によって、テープスピード切換スイッチ回路４よ
り与えられるモードを無視し、自動的に長時間記録モー
ドになる様にしたものである。また、再生時は、システ
ムコントロール回路７により与えられる速度モードに従
う。In the figure, when the signal input switch circuit 1 is in the audio recording only mode, the recording tape speed switch -
10, the mode given by the tape speed changeover switch circuit 4 is ignored, and the long-time recording mode is automatically set. Furthermore, during playback, the speed mode given by the system control circuit 7 is followed.
第３図は、信号入力切換回路１とテープスピード切換ス
イッチ回路４の一例を示す回路図である。同図に於て通
常の音声と映像を記録する場合は、信号入力切換回路１
の出力はＬ （Ｌｑｗ ）となっており、テープスピー
ド切換スイッチ回路４より出力される電圧値によって、
テープスピード判別回路５が切換わり、これに応じてド
ラム・キャブズタン速度制御回路６によりモーターが制
御される。FIG. 3 is a circuit diagram showing an example of the signal input switching circuit 1 and the tape speed switching circuit 4. In the same figure, when recording normal audio and video, signal input switching circuit 1
The output is L (Lqw), and depending on the voltage value output from the tape speed changeover switch circuit 4,
The tape speed discrimination circuit 5 is switched, and the motor is controlled by the drum/cab tongue speed control circuit 6 accordingly.
音声専用記録する場合は、信号入力切換回路１の出力は
、Ｈ（Ｅｉｇｋ）となり、記録テープスピード切換回路
１０でＯＲされ、テープスピード切換スイッチ回路４か
らの出力にかかわらずテープスピード判別回路５０入力
はＨとなり、最長時間記録モードなりとして設計する事
により。When recording audio only, the output of the signal input switching circuit 1 becomes H (Eigk), which is ORed by the recording tape speed switching circuit 10, and is input to the tape speed discrimination circuit 50 regardless of the output from the tape speed switching circuit 4. By designing it as H, which is the longest time recording mode.
自動的に最長時間記録モードとなる。Automatically enters longest time recording mode.
本実施例によれば１回転ヘッドにより音声記録をするＶ
ＴＲに於て、音声専用記録モード時に、再生音声の音質
劣化無しに、長時間記録でき、且つ１時間当りのテープ
コストが自動的に安くできるという効果が有る。According to this embodiment, the V
In TR, in the audio-only recording mode, it is possible to record for a long time without deteriorating the sound quality of reproduced audio, and the tape cost per hour can be automatically reduced.
以上述べた本発明によれば、回転ヘッドで音声信号を記
録再生するＶＴＲを、入力信号切換スイッチを音声専用
に切換えるだけで、自動的に長時間対応・高音質音声記
録機としての機能をも持たせる事ができる。According to the present invention described above, a VTR that records and reproduces audio signals with a rotating head can automatically function as a long-time, high-quality audio recorder by simply switching the input signal selector switch to audio only. You can have it.
第１図は１本発明のＦＭ音声記録対応ＶＴＲの信号入力
切換・記録再生回路部及びテープスピード切換・制御回
路部のブロック図、第２図は本発明の要部の一例を示す
回路図である。
１・・・信号入力切換スイッチ回路。
２・・・入力信号処理回路、
５・・・信号記録・再先回路。
４・・・テープスピード切換スイッチ回路。
５・・・テープスピード判別回路。
６・・・ドラム・キャブズタン速度制御回路。
７・・・システムコントロール回路。
８・・・回転ヘッドとシリンダー。
９・・・キャプスタン。
１０・・・記録テープスピード切換回路。
代理人弁理士 高 橋 明 夫FIG. 1 is a block diagram of a signal input switching/recording/playback circuit section and a tape speed switching/control circuit section of a VTR compatible with FM audio recording according to the present invention, and FIG. 2 is a circuit diagram showing an example of the essential parts of the present invention. be. 1...Signal input changeover switch circuit. 2... Input signal processing circuit, 5... Signal recording/restart circuit. 4...Tape speed selection switch circuit. 5... Tape speed discrimination circuit. 6...Drum/cab tongue speed control circuit. 7...System control circuit. 8...Rotating head and cylinder. 9... Capstan. 10... Recording tape speed switching circuit. Representative Patent Attorney Akio Takahashi
Claims (1)
入力を切換える機能を有する磁気記録再生装置に於て、
音声のみを記録する場合に。 自動的に記録時間モードを最長記録時間モードに切換え
る手段を設けたことを特徴とする磁気記録再生装置。[Claims] FM modulated audio can be recorded and played back using a rotating head. In a magnetic recording and reproducing device that has two or more recording time modes and has the function of switching input for video recording and audio recording,
When recording only audio. 1. A magnetic recording and reproducing device comprising means for automatically switching a recording time mode to a longest recording time mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5427084A JPS60201504A (en) | 1984-03-23 | 1984-03-23 | Magnetic recording and reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5427084A JPS60201504A (en) | 1984-03-23 | 1984-03-23 | Magnetic recording and reproducing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60201504A true JPS60201504A (en) | 1985-10-12 |
| JPH058484B2 JPH058484B2 (en) | 1993-02-02 |
Family
ID=12965879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5427084A Granted JPS60201504A (en) | 1984-03-23 | 1984-03-23 | Magnetic recording and reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60201504A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6093606A (en) * | 1983-10-26 | 1985-05-25 | Nec Home Electronics Ltd | Magnetic recording and reproducing device |
-
1984
- 1984-03-23 JP JP5427084A patent/JPS60201504A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6093606A (en) * | 1983-10-26 | 1985-05-25 | Nec Home Electronics Ltd | Magnetic recording and reproducing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH058484B2 (en) | 1993-02-02 |
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