KR970050826A - Digital V.C.R.'s audio signal recording / playback device - Google Patents

Digital V.C.R.'s audio signal recording / playback device Download PDF

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Publication number
KR970050826A
KR970050826A KR1019950052311A KR19950052311A KR970050826A KR 970050826 A KR970050826 A KR 970050826A KR 1019950052311 A KR1019950052311 A KR 1019950052311A KR 19950052311 A KR19950052311 A KR 19950052311A KR 970050826 A KR970050826 A KR 970050826A
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South Korea
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audio signal
signal
recording
audio
unit
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KR1019950052311A
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Korean (ko)
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KR0181040B1 (en
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김재진
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배순훈
대우전자 주식회사
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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G11B2020/10537—Audio or video recording

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)

Abstract

본 발명은 디지털 브이.씨.알의 오디오 신호 기록/재생 장치에 관한 것으로, 카세트 테이프의 유효 하위 에지 영역에 입력되는 오디오 신호를 기록 및 재생하기 위한 키 신호를 입력하기 위한 키 입력부(300)와, 키 입력부(300)로 제공되는 오디오 신호 기록 및 재생을 위한 키 신호에 따른 각각의 제어 신호를 발생하는 제어부(310)와, 제어부(310)로부터 오디오 신호 기록을 위한 제어 신호가 제공되면 오디오 신호 입력단자를 통하여 입력되는 오디오 신호를 처리하고 재생된 오디오 신호를 처리하여 출력하는 오디오 신호 처리부(325)와, 오디오 신호 처리부(325)에서 처리된 오디오 신호를 주파수 변조(frequency modulation : FM)하여 출력하는 FM 변조기(345)와, FM 변조기(345)의 출력 신호를 기록 가능하도록 증폭하여 출력하는 녹화 엠프부(335)와, 녹화 엠프부(335)에서 증폭된 신호를 유효 하위 에지 영역에 기록하며, 제어부(310)로부터 재생을 위한 제어 신호가 제공되면 유효 하위 에지 영역에 기록된 오디오 신호를 재생하여 출력하는 오디오 헤드부(330)와, 오디오 헤드부(330)에서 재생된 신호를 전치 증폭하여 출력하는 프리 엠프부(340)와, 프리 엠프부(340)의 출력 신호를 복조하는 FM 복조기(350)와, 제어부(310)로부터 제공되는 제어 신호에 따른 구동 신호를 발생하는 캡스턴 서보부(315)와, 캡스턴 서보부(315)의 구동 신호에 따라 구동되어 기록 및 재생 기능 실행시 카세트 테이프를 주행시키는 캡스턴 모터(320)를 포함하고 구성되어, 디지털 브이.씨.알에서의 디지털 비디오 및 오디오 데이터의 기록 및 재생과는 별도로 카세트 테이프의 사용되지 않는 유효 하위 에지 영역을 사용하여 외부로부터 입력되는 다른 오디오 신호를 기록 및 재생할 수 있도록 한 것이다.The present invention relates to an audio signal recording / reproducing apparatus of a digital V.C.R, comprising: a key input unit 300 for inputting a key signal for recording and reproducing an audio signal input to an effective lower edge region of a cassette tape; The controller 310 generates control signals corresponding to the key signals for recording and reproducing the audio signal provided to the key input unit 300, and if the control signal for recording the audio signal is provided from the controller 310, the audio signal. An audio signal processor 325 for processing an audio signal input through an input terminal, and processing and outputting the reproduced audio signal, and outputting a frequency modulation (FM) of the audio signal processed by the audio signal processor 325 In the FM modulator 345, the recording amplifier unit 335 for amplifying and outputting the output signal of the FM modulator 345 so as to be recordable, and in the recording amplifier unit 335 An audio head unit 330 for recording the widened signal in the effective lower edge region and reproducing and outputting an audio signal recorded in the effective lower edge region when a control signal for reproduction is provided from the controller 310. The preamplifier 340 pre-amplifies and outputs the signal reproduced at 330, the FM demodulator 350 demodulating the output signal of the preamplifier 340, and the control signal provided from the controller 310. And a capstan servo unit 315 for generating a drive signal and a capstan motor 320 driven according to the drive signal of the capstan servo unit 315 to drive the cassette tape when the recording and reproducing function is executed. Apart from the recording and playback of digital video and audio data on the C.R., other audio scenes are input from the outside using the unused effective lower edge area of the cassette tape. The call can be recorded and played.

Description

디지털 브이.씨.알의 오디오 신호 기록/재생 장치Digital V.C.R audio signal recording / playback device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제3도는 본 발명의 바람직한 실시예에 따른 디지털 브이.씨.알의 오디오 신호 기록/재생 장치를 나타낸 블록도.3 is a block diagram showing a digital V. C. audio signal recording / reproducing apparatus according to a preferred embodiment of the present invention.

Claims (1)

디지탈 브이.씨.알용 카세트 테이프에서 사용되지 않는 유효하위 에지 영역(effectuve area lower edge)을 이용하여 입력되는 오디오 신호를 기록 및 재생하기 위한 디지털 브이.씨.알의 오디오 신호 기록/재생 장치에 있어서, 상기 카세트 테이프의 유효 하위 에지 영역에 오디오 신호를 기록 및 재생하기 위한 키 신호를 입력하기 위한 키 입력부(300)와; 상기 키 입력부(300)로 제공되는 상기 오디오 신호 기록 및 재생을 위한 키 신호에 따른 각각의 제어 신호를 발생하는 제어부(310)와; 상기 제어부(310)로부터 기록을 위한 제어 신호가 제공되면, 입력 단자를 통하여 입력되는 오디오 신호를 처리하여 출력하는 오디오 신호 처리부(325)와; 상기 오디오 신호 처리부(325)의 출력 신호를 주파수 변조(frequency modulation: FM)하여 출력하는 FM 변조기(345)와; 상기 FM 변조기(345)의 출력 신호를 기록 가능하도록 증폭하여 출력하는 녹화 엠프부(335)와; 상기 녹화 엠프부(335)의 출력 신호를 상기 유효 하위 에지 영역에 기록하며, 상기 제어부(310)로부터 재생을 위한 제어 신호가 제공되면 상기 기록된 오디오 신호를 재생하여 출력하는 오디오 헤드부(330)와; 상기 오디오 헤드부(330)의 출력 신호를 전치 증폭하여 출력하는 프리 엠프부(340)와; 상기 프리 엠프부(340)의 출력 신호를 복조하는 FM 복조기(350)와; 상기 오디오 신호 처리부(325)는 재생시 상기 FM 복조기(350)로부터 제공되는 복조된 오디오 신호를 처리하여 출력하며, 상기 제어부(310)로부터 제공되는 제어 신호에 따른 구동 신호를 발생하는 캡스턴 서보부(315)와; 상기 캡스턴 서보부(315)의 구동 신호에 따라 구동되어 기록 및 재생 기능 실행시 상기 카세트 테이프를 일정 속도로 주행시키는 캡스턴 모터(320)를 포함하는 디지털 브이.씨.알의 오디오 신호 기록/재생 장치.In a digital V. C. audio signal recording / reproducing apparatus for recording and playing back an audio signal input using an effectuve area lower edge which is not used in a digital V. C. cassette tape. A key input unit (300) for inputting a key signal for recording and reproducing an audio signal in an effective lower edge area of the cassette tape; A control unit (310) for generating respective control signals according to the key signals for recording and reproducing the audio signal provided to the key input unit (300); An audio signal processor 325 for processing and outputting an audio signal input through an input terminal when a control signal for recording is provided from the controller 310; An FM modulator (345) for frequency-modulating (FM) the output signal of the audio signal processor 325; A recording amplifier unit 335 for amplifying and outputting the output signal of the FM modulator 345 so as to be recordable; An audio head unit 330 which records an output signal of the recording amplifier unit 335 in the effective lower edge area and reproduces and outputs the recorded audio signal when a control signal for reproduction is provided from the controller 310. Wow; A preamplifier 340 for preamplifying and outputting the output signal of the audio head 330; An FM demodulator (350) for demodulating the output signal of the preamplifier (340); The audio signal processing unit 325 processes and outputs a demodulated audio signal provided from the FM demodulator 350 during reproduction, and generates a capstan servo unit generating a driving signal according to a control signal provided from the control unit 310 ( 315); Digital V. C. R. audio signal recording / reproducing apparatus including a capstan motor 320 driven according to a driving signal of the capstan servo unit 315 to drive the cassette tape at a constant speed when a recording and reproducing function is executed. . ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950052311A 1995-12-20 1995-12-20 Apparatus for recording and reproducing audio signal in the digital vcr KR0181040B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950052311A KR0181040B1 (en) 1995-12-20 1995-12-20 Apparatus for recording and reproducing audio signal in the digital vcr

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Application Number Priority Date Filing Date Title
KR1019950052311A KR0181040B1 (en) 1995-12-20 1995-12-20 Apparatus for recording and reproducing audio signal in the digital vcr

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KR970050826A true KR970050826A (en) 1997-07-29
KR0181040B1 KR0181040B1 (en) 1999-04-15

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