KR970012415A - Audio output circuit of cassette tape record - Google Patents

Audio output circuit of cassette tape record Download PDF

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Publication number
KR970012415A
KR970012415A KR1019950024414A KR19950024414A KR970012415A KR 970012415 A KR970012415 A KR 970012415A KR 1019950024414 A KR1019950024414 A KR 1019950024414A KR 19950024414 A KR19950024414 A KR 19950024414A KR 970012415 A KR970012415 A KR 970012415A
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KR
South Korea
Prior art keywords
signal
digital
converter
latch
analog
Prior art date
Application number
KR1019950024414A
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Korean (ko)
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KR0151657B1 (en
Inventor
오명규
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문정환
Lg 반도체 주식회사
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Priority to KR1019950024414A priority Critical patent/KR0151657B1/en
Publication of KR970012415A publication Critical patent/KR970012415A/en
Application granted granted Critical
Publication of KR0151657B1 publication Critical patent/KR0151657B1/en

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/005—Reproducing at a different information rate from the information rate of recording
    • G11B27/007—Reproducing at a different information rate from the information rate of recording reproducing continuously a part of the information, i.e. repeating
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10037—A/D conversion, D/A conversion, sampling, slicing and digital quantisation or adjusting parameters thereof
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers

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  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)

Abstract

본 발명에 의한 카세트 테이프 레코드의 음성출력회로는 재생단자가 "온"되어 헤드를 통하여 읽어지게 되는 음성신호가 입력되어 특정 단어 또는 음절의 신호가 반복되어 출력되는 음성신호반복부와, 음성신호에서 특정 단어 또는 음절의 신호를 반복시키기 위하여 음성신호반복부로 음성신호가 입력되도록 하거나 음성신호가 반복없이 증폭기에서 증폭되어 스피커로 출력되도록 하는 선택모드를 포함하여 이루어지며, 음성신호반복부는 선택모드에 의해 선택되어 입력되는 음성신호를 디지털신호로 변환시키는 아날로그-디지탈변환기와, 음성신호에서 단어와 단어 또는 음절과 음절 신호 사이의 공(blank)을 검출하고, 공백이 검출되면 헤드의 재생단자를 "오프"시켜서 재생동작을 멈추게 하는 공백검출기와, A/D 변환기에서 출력되는 디지털신호를 랫치(latch)하는 랫치부와, 변환기에서 출력되는 디지털신호를 저장하는 램(RAM)저장부와, 램저장부에서 저장된 디지털신호를 출력시키기 위해서 램저장부에 전원을 인가하는 램전원인가부와, A/D 변환기와 랫치부 사이에 형성되어, 공백검출기 또는 램전원인가부에 의해 제어되는 스위치 제어부와, 랫치부에서 랫치되어 출력되는 디지털신호 또는 램저장부에서 저장되어 있다가 출력되는 디지털신호를 아날로그신호로 변화시켜서 증폭기로 입력시키는 디지털-아날로그변환기와, 랫치부를 리셋트(reset)시키면서, 헤드의 재생동작을 재개시키는 헤드동작모드를 포함하여 이루어진다.In the audio output circuit of the cassette tape record according to the present invention, the audio signal repeater outputs the audio signal to which the playback terminal is "on" and is read through the head, and the signal of a specific word or syllable is repeatedly output. In order to repeat the signal of a specific word or syllable, the voice signal is inputted to the voice signal repeater or the audio signal is repeatedly amplified by an amplifier without being repeated. An analog-digital converter for converting a selected input audio signal into a digital signal, detecting a blank between a word and a word or a syllable and a syllable signal in the audio signal, and turning off the play terminal of the head when a blank is detected. Blank detector to stop playback operation and digital signal output from A / D converter. Latch latch, a RAM storage unit for storing digital signals output from the converter, a RAM power supply unit for supplying power to the RAM storage unit for outputting the digital signals stored in the RAM storage unit; , A switch control unit formed between the A / D converter and the latch unit and controlled by a blank detector or a ram power supply unit, and a digital signal latched and output from the latch unit or a digital signal stored in the RAM storage unit and outputted And a digital-analog converter for converting the signal into an analog signal and inputting it to the amplifier, and a head operation mode for resuming the regeneration operation of the head while resetting the latch portion.

Description

카세트 테이프 레코드의 음성출력회로Audio output circuit of cassette tape record

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

제1도는 종래의 카세트 테이프 레코드의 음성출력회로를 개략적으로 도시한 도면1 is a diagram schematically showing a voice output circuit of a conventional cassette tape record.

제2도는 본 발명에 의한 카세트 테이프 레코드의 음성출력회로를 설명하기 위한 도면2 is a diagram for explaining an audio output circuit of a cassette tape record according to the present invention.

Claims (3)

재생(play) 단자에 의해 테이프에 기록되어 있는 음성신호를 헤드(head)를 통하여 읽어들이고, 상기 음성신호를 증폭시켜서 스피커로 출력시키는 증폭기로 이루어진 카세트 테이프 레코드의 음성출력회로에 있어서, 상기 음성신호가 입력되어 특정 단어 또는 음절의 신호가 반복되어 출력되는 음성신호반복부와, 상기 음성 신호에서 특정 단어 또는 음절이 신호를 반복시키기 위하여 상기 음성신호반복부로 상기 음성신호가 입력되도록 하거나 상기 음성신호가 반복없이 상기 증폭기로 입력되도록 하는 선택모드를 포함하여 이루어지는 것을 특징으로 하는 카세트 테이프 레코드의 음성출력회로.A voice output circuit of a cassette tape record comprising an amplifier for reading audio signals recorded on a tape by a play terminal through a head, and amplifying the audio signals and outputting them to a speaker. The voice signal repeater is inputted to repeat a signal of a specific word or syllable and is outputted, and the voice signal is input to the voice signal repeater to repeat the signal of the specific word or syllable in the voice signal, or the voice signal is And a selection mode for inputting the amplifier to the amplifier without repetition. 제1항에 있어서, 상기 음성신호반복부는 상기 선택모드에 의해 선택되어 입력되는 음성신호를 디지털신호로 변환시키는 아날로그-디지털(A/D) 변환기와, 상기 음성신호에서 단어와 단어 또는 음절과 음절 신호 사이의 공백(blank)을 검출하고, 상기 공백이 검출되면서 상기 재생단자를 "오프"시켜서 상기 헤드의 재생(Play) 동작이 멈추도록 하는 공백검출기(blank detector)와, 상기 아날로그-디지털(A/D) 변환기에서 출력되는 디지털신호를 랫치(latch)하는 래치부와, 상기 아날로그-디지털(A/D) 변환기에서 출력되는 디지털 신호를 저장하는 램(RAM)저장부와, 상기 램저장부에서 저장된 상기 디지털신호를 출력시키기 위해서 상기 램저장부에 전원을 인가하는 램전원인가부와, 상기 아날로그-디지털(A/D) 변환기와 상기 랫치부 사이에 형성되어, 상기 공백검출기 또는 상기 램전원인가부에 의해 제어되는 스위치 제어부와, 상기 랫치부에서 랫치되어 출력되는 디지털신호 또는 상기 램저장부에서 저장되어 있다가 출력되는 상기 디지털신호를 아날로그신호로 변화시켜서 상기 증폭기로 입력시키는 디지털-아날로그(D/A)변환기와, 상기 랫치부를 리셋트(reset)시키면서, 상기 헤드의 재생동작을 재개시키는 헤드동작모드를 포함하여 이루어지는 것을 특징으로 하는 카세트 테이프 레코드의 음성출력회로.2. The apparatus of claim 1, wherein the voice signal repeater comprises an analog-to-digital (A / D) converter for converting a voice signal selected and input by the selection mode into a digital signal, and words, words, syllables, and syllables in the voice signal. A blank detector which detects a blank between signals and "off" the play terminal while the blank is detected to stop the play operation of the head, and the analog-digital A / D) a latch unit for latching the digital signal output from the converter, a RAM storage unit for storing the digital signal output from the analog-to-digital (A / D) converter, and the RAM storage unit A RAM power supply unit for supplying power to the RAM storage unit for outputting the stored digital signal, and between the analog-to-digital (A / D) converter and the latch unit, so that the blank detector or A switch control unit controlled by the ram power supply unit, and a digital signal latched by the latch unit and the digital signal stored in the RAM storage unit and converted into an analog signal and inputted to the amplifier And an analog (D / A) converter and a head operation mode for resuming the reproduction operation of the head while resetting the latch portion. 제2항에 있어서, 상기 헤드동작모드는 상기 재생단자를 "온"시키거나 상기 음성신호가 반복없이 상기 증폭기로 입력시키고자 할때 선택되는 선택모드에 의해 상기 랫치부가 리셋트되도록 대체할 수 있는 것을 특징으로 하는 카세트 테이프 레코드의 음성출력회로.The latch operation mode of claim 2, wherein the head operation mode may be replaced so that the latch unit is reset by a selection mode selected when the reproduction terminal is "on" or when the audio signal is inputted to the amplifier without repetition. And a voice output circuit of the cassette tape record. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950024414A 1995-08-08 1995-08-08 Audio output curcuit for cassette tape recorder KR0151657B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950024414A KR0151657B1 (en) 1995-08-08 1995-08-08 Audio output curcuit for cassette tape recorder

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Application Number Priority Date Filing Date Title
KR1019950024414A KR0151657B1 (en) 1995-08-08 1995-08-08 Audio output curcuit for cassette tape recorder

Publications (2)

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KR970012415A true KR970012415A (en) 1997-03-29
KR0151657B1 KR0151657B1 (en) 1998-10-15

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KR1019950024414A KR0151657B1 (en) 1995-08-08 1995-08-08 Audio output curcuit for cassette tape recorder

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KR0151657B1 (en) 1998-10-15

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