KR900019350A - CDP music and volume control circuit and its operation method - Google Patents

CDP music and volume control circuit and its operation method Download PDF

Info

Publication number
KR900019350A
KR900019350A KR1019890007433A KR890007433A KR900019350A KR 900019350 A KR900019350 A KR 900019350A KR 1019890007433 A KR1019890007433 A KR 1019890007433A KR 890007433 A KR890007433 A KR 890007433A KR 900019350 A KR900019350 A KR 900019350A
Authority
KR
South Korea
Prior art keywords
cdp
music
control circuit
volume control
microcomputer
Prior art date
Application number
KR1019890007433A
Other languages
Korean (ko)
Inventor
최장덕
Original Assignee
이헌조
주식회사 금성사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 이헌조, 주식회사 금성사 filed Critical 이헌조
Priority to KR1019890007433A priority Critical patent/KR900019350A/en
Publication of KR900019350A publication Critical patent/KR900019350A/en

Links

Landscapes

  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

Abstract

내용 없음No content

Description

CDP의 곡과 곡간 음량조절회로 및 그 운영방법CDP music and volume control circuit and its operation method

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

제1도는 본 발명의 회로도, 제2도는 제1도의 타이밍도, 제3도는 본 발명회로 동작을 위한 흐름도1 is a circuit diagram of the present invention, FIG. 2 is a timing diagram of FIG. 1, and FIG. 3 is a flowchart for operation of the circuit of the present invention.

Claims (2)

디스크(D)와 이 디스크로부터 신호를 추출하기 위한 픽업(P/U)과, 마이컴에 상호 연결된 제어 IC(6) 및 신호처리IC(8)와, 상기신호처리 IC의 디지털 출력을 아날로그 신호로 변환시키는 D/A변호나기(D/A)와, 이에 연결된 저역통과필터(LPF)를 갖고, 상기 LPF를 거쳐 오디오 출력(L, R)을 하도록 된 CDP에 있어서, 상기 오디오 출력 및 마이컴에 연결된 전자볼륨IC(16)와, 마이컴에 연결된 디스플레이장치(12), 키이부(14)로 연결구성된 것을 특징으로 하는 CDP의 곡과 곡간 음량조절회로.A disk (D) and a pickup (P / U) for extracting a signal from the disk, a control IC (6) and a signal processing IC (8) interconnected to the microcomputer, and a digital output of the signal processing IC as an analog signal. A CDP having a D / A converter (D / A) to be converted and a low pass filter (LPF) connected thereto to output audio (L, R) through the LPF, wherein the CDP is connected to the audio output and the microcomputer. An electronic volume IC (16), a display device (12) connected to the microcomputer, the key portion 14, characterized in that the composition of the CDP tune and volume control circuit. CDP의 곡과 곡간 음량조절회로 동작방법에 있어서, 진행곡 종료 5초전일때, 시리얼 제어전자 볼륨IC에 제1데이타부터 소정간격으로 데이터전송하여 음감쇄시키고, 다음곡 시작에 있어, 5초간은 상기 시리얼 제어전자IC에 상기 데이터 역순으로 소정간격으로 데이터 전송하는 방법을 갖는 CDP의 곡과 곡간 음량 조절회로 동작방법.In the CDP music and music volume control circuit operation method, when 5 seconds before the end of the advanced music, the serial control electronic volume IC transmits data at a predetermined interval starting from the first data, and attenuates the sound. A method of operating a CDP tuner volume control circuit having a method of transmitting data to a serial control electronic IC at predetermined intervals in reverse data order. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890007433A 1989-05-31 1989-05-31 CDP music and volume control circuit and its operation method KR900019350A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890007433A KR900019350A (en) 1989-05-31 1989-05-31 CDP music and volume control circuit and its operation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890007433A KR900019350A (en) 1989-05-31 1989-05-31 CDP music and volume control circuit and its operation method

Publications (1)

Publication Number Publication Date
KR900019350A true KR900019350A (en) 1990-12-24

Family

ID=67840667

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890007433A KR900019350A (en) 1989-05-31 1989-05-31 CDP music and volume control circuit and its operation method

Country Status (1)

Country Link
KR (1) KR900019350A (en)

Similar Documents

Publication Publication Date Title
EP0843503A3 (en) Circuit for obtaining a surround sound effect
KR840001034A (en) Noise reduction circuit
KR900018980A (en) Digital signal playback device
KR900019350A (en) CDP music and volume control circuit and its operation method
KR910006964A (en) Noise Reduction Circuit
KR920015788A (en) Signal Processing Integrated Circuit Device
KR850004006A (en) IF signal processing device
KR900001224A (en) How to expose the curtain in a camera-integrated VTR
KR910004039A (en) Band Limiter of Video Signal Recording Device
KR890015602A (en) Magnetic recording device
KR870010530A (en) FM luminance signal demodulation device for video signal playback device
KR840001041Y1 (en) Control circuit for sound and characters signal
JPH0471022U (en)
KR860007793A (en) Howling prevention method of microphone
KR910002109A (en) Volume control method and device when power "on"
JPS6052744U (en) control circuit
KR900002285A (en) How to perform scheduled recording with or without video signal
KR960035593A (en) Low pass filter control device
KR880005749A (en) Measurement method of operating characteristics of PLL built-in tuner
KR900001258A (en) Converter circuit of encrypted cable TV
KR890017662A (en) Talking device for home appliances
KR930008828A (en) Muting method of sound equipment
KR950012450A (en) Automatic switching of audio and video line jacks
KR870011754A (en) Frequency Tuning Auto Tuning Device
KR950024417A (en) Compatible fade stage muting circuit

Legal Events

Date Code Title Description
WITN Withdrawal due to no request for examination