• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    APPARATUS FOR EDITING IN magnetic recording-reproducing method comprising reproducing conductive magnetic head connected to the input of a correction transducer reproduced code in the audio signal code whose output is connected to the input of the delay line, the correction inverter sound code to the recorded code, a recording magnetic head, electronic key , generator of synchronizing pulses, made with the output of the signal for controlling the movement of a magnetic tape, element OR, input bus s control pulse bus, characterized in that, in order to reduce editing error, a binary counter is inserted in it, made with pre-install inputs and connected to the clock generator to the clock generator, an editing mixer connected to the output of the delay line having delay time, equal to the time of moving the magnetic tape from the reproducing magnetic head to the recording magnetic head, to the input of the correction signal converter of the sound signal code la in zapisyvaemsh code to the input signal and the bus wording to the first input schine steering pulses. additional delay line, {the output of which is connected to the first inlet) of the OR element connected by the second input to the second input bus of control pulses, and the D-trigger that is connected by a direct output to the control S of the electronic key connected between the output of the audio signal correction code converter to the recorded code and the recording magnetic head, connected to the 00 by the clock input to the output of the binary counter and connected by the information input to the output of the OR element connected the third input to the first input bus control pulses connected to the input of the additional delay line.
    公开号:SU1103811A3
    申请号:SU813351164
    申请日:1981-08-27
    公开日:1984-07-15
    发明作者:Танака Масато
    申请人:Сони Корпорейшн (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to the accumulation of information, namely, devices for editing during magnetic recording-reproduction. A device for editing during magnetic recording-reproduction is known, which contains a reproducing magnetic head connected to the input of the transducer, and a recording magnetic head 13. A known device allows for editing at magnetic recording reproduction, having a relatively simple design. A disadvantage of the known device is the considerable difficulty of editing with magnetic recording playback. It is also known a device for editing during magnetic recording playback, which contains a reproducing magnetic headband connected to the input of a correction converter of a reproduced code into a sound signal code, the output of which is connected to the input of a delay line, a correction code converter of an audio signal into a recordable code recording magnetic head, electronic key, clock pulse generator made with the output of the control signal by moving the magnetic tape, element OR, input Revision signal busbar and control pulse bus 23. This device allows. ensure relative ease of editing in magnetic recording. reproduction. The disadvantage of such a device is a significant editing error in magnetic recording, due to errors occurring at editing points. The purpose of the invention is to reduce the editing error in magnetic recording-reproduction. The goal is achieved due to the fact that the device for editing during magnetic recording-reproduction contains a reproducing magnetic head connected to the input of the correcting transducer of the reproduced code into the code of the audio signal whose output is connected to the input of the delay line a sound signal in a recordable code, a recording magnetic head, an electronic key, a clock pulse generator, made with the output of a tape motion control signal , the OR element, the input bus of the revision signal and the control pulse bus, introduced a binary counter made with the preset inputs and connected to the clock input to the clock generator, an editing mixer connected to the output of the delay line having a delay time equal to the time of magnetic tape movement from the reproducing magnetic head to the recording magnetic head, to the input of the correction transducer, the audio signal code to the recording code, to the input signal bus the second input bus of control pulses, an additional delay line, the output of which is connected to the first input of the OR element connected by the second input to the second input bus of control pulses, and a D-trigger connected to the direct output of the electronic key, connected between the output of the corrective audio converter code of the audio signal in the recordable code and the recording magnetic head connected by the clock input to the output of the binary counter and connected by the information input from the output the house of the OR element connected by the third input to the first input bus of control pulses connected to the input of the additional delay line. The proposed device, by introducing into it a binary counter, an editing mixer, an additional delay line and a Trigger, makes it possible to significantly reduce the editing error in magnetic recording-reproduction. The drawing shows one of the possible variants of the proposed device for editing during magnetic recording-reproduction. The proposed device comprises a reproducing magnetic head 1, connected to the input of the correction converter 2 of the reproduced code into the code of the audio signal, the output of which is connected to the input of the delay line 3, and the binary counter 4, Line
    The 3 delays have a delay time equal to the time of movement of the magnetic tape from the reproducing magnetic head 1 to the recording magnetic head 5. The binary counter A is configured with preset inputs 6 and connected by a clock input to the generator 7 of synchronizing pulses made with the output of the magnetic control signal tapes.
    The proposed device also contains an editing mixer 9 connected to the output of the delay line 3, to the input of the corrective converter. 10 audio signal codes in the recorded code 1, to the input bus 11 of the editorial signal and to the first input bus 12 control pulses, an additional delay line 13 and a D-trigger 14. The output of the additional delay line 13 is connected to the first input of the OR 15 element connected by the second input to the second input bus 16 control pulses. The direct output 3) of the trigger 14 is connected to the control input of the electronic key 17 connected between the output of the audio signal code correction converter 10 to the recordable code and the recording magnetic head 5. The clock input of the D trigger 14 is connected to the output of the binary counter 4, and its the information input is connected to the output of the OR element 15. The third input of the OR element 15 is connected to the first input bus 12 of control pulses connected to the input of the auxiliary delay line 13.
    Editing with magnetic recording-playback using the proposed device is as follows.
    The reproduced signal from the reproducing magnetic head 1 is fed to the correction converter 2 of the reproduced code into the code
    sound signal. The signal from the output of the converter 2 of the reproduced code into the code of the audio signal passes to the editing mixer 9 through
    delay line 3 providing
    its delay is equal to the time of movement of the magnetic tape from the reproducing magnetic head 1 to the recording magnetic head 5. A mixer 9 controlled by a control pulse from the first input bus 12 of control pulses is also fed to the edit signal from the input bus eleven
    Signal Revision. The edited signal comes from the editing mixer 9 to the correction converter 10 of the audio signal code to the recorded code. Digital signal
    from the output of the audio signal correction code converter 10 to the recorded code passes to the recording magnetic head 5 via the electronic key 17 on a pulse from the direct output of the D-trigger 14. The pulse of the B-trigger 14 is generated by signals arriving at its information and timing inputs from the outputs respectively element
    OR 15 and binary counter 4. The signal of binary counter 4 is generated by the signal supplied to it from the clock output of the generator 7 clock pulses. Element signal
    5 or 15 is formed by the control
    pulses from the additional delay line 13 and the first and second input lines f2 and 16 control pulses. Electronic key 17,
    0 controlling the impulse of the B-trigger 14, generated from such signals, ensures the elimination of errors in points. kah editing.
    The use of the invention in comparison with the basic object allows to significantly reduce the editing error in magnetic recording-reproduction.

     s
    权利要求:
    Claims (1)
    [1]
    DEVICE FOR EDITING IN MAGNETIC RECORDING-PLAYBACK, containing a reproducing magnetic head connected to the input of the correcting transducer of the reproduced code to the sound signal code, the output of which is connected to the input of the delay line, the correcting transducer of the sound signal code to a written code recording magnetic head, an electronic key, generator of synchronizing pulses made with the output of the signal for controlling the movement of the magnetic tape, an OR element, the input signal bus red shares and control pulse buses, characterized in that, in order to reduce the editing error, it introduces a binary counter made with preset inputs and connected by a clock input to a clock pulse generator, an editing mixer connected to the output of a delay line having a delay time, equal to the time of movement of the magnetic tape from the reproducing magnetic head to the recording magnetic head to the input of the correcting transducer of the sound signal code code, to the input bus of the editorial signal and to the first input bus of control pulses β, an additional delay line, § the output of which is connected to the first input of the OR element connected by the second input to the second input bus of control pulses, and the Ώ-trigger connected to the direct output to the control input of the electronic key connected between the output of the correcting · converter of the code of the audio signal into the recorded code and the recording magnetic head, connected by the clock input to the output of the binary counter and connected It is connected with the information input with the output of the OR element connected to the first input bus of the control pulses connected to the input of the additional delay line.
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    引用文献:
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    US4146099A|1976-08-17|1979-03-27|Christopher Scientific Company|Signal recording method and apparatus|
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    JPS6150418B2|1978-10-23|1986-11-04|Sony Corp|
    GB2036409B|1978-11-01|1982-09-15|Minnesota Mining & Mfg|Editing digitally-recorded audio signals|
    US4211997A|1978-11-03|1980-07-08|Ampex Corporation|Method and apparatus employing an improved format for recording and reproducing digital audio|
    CA1133639A|1979-01-30|1982-10-12|Masato Tanaka|Method and apparatus for editing digital signalsrecorded on a record medium|
    EP0016560A1|1979-03-05|1980-10-01|The Decca Record Company Limited|Editing of programmes and other signals in digitally coded form|
    US4309726A|1979-05-28|1982-01-05|Hitachi, Ltd.|Muting circuit in a PCM recording and reproducing apparatus|
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    FR2533782B1|1982-09-27|1988-09-09|France Etat|EQUIPMENT FOR RECORDING AND READING DIGITAL DATA ON ANALOGUE VIDEODISC, PROVIDED WITH MEANS OF PROTECTION AGAINST ERRORS|
    JPH07118159B2|1982-12-06|1995-12-18|ソニー株式会社|PCM signal recording method|
    GB2145867B|1983-08-26|1986-07-30|British Broadcasting Corp|Method and apparatus for editing and for replay of digital audio data recorded on a magnetic tape|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    JP55118858A|JPS649676B2|1980-08-28|1980-08-28|
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