KR960015561A - Auto vocal plus method and apparatus of karaoke system - Google Patents

Auto vocal plus method and apparatus of karaoke system Download PDF

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Publication number
KR960015561A
KR960015561A KR1019940025736A KR19940025736A KR960015561A KR 960015561 A KR960015561 A KR 960015561A KR 1019940025736 A KR1019940025736 A KR 1019940025736A KR 19940025736 A KR19940025736 A KR 19940025736A KR 960015561 A KR960015561 A KR 960015561A
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South Korea
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signal
output
channel
channels
audio signal
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KR1019940025736A
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Korean (ko)
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KR0127221B1 (en
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전상현
김태영
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이헌조
엘지전자 주식회사
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Priority to KR1019940025736A priority Critical patent/KR0127221B1/en
Priority to TR95/01230A priority patent/TR199501230A2/en
Publication of KR960015561A publication Critical patent/KR960015561A/en
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00Details of electrophonic musical instruments
    • G10H1/36Accompaniment arrangements
    • G10H1/361Recording/reproducing of accompaniment for use with an external source, e.g. karaoke systems
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B31/00Arrangements for the associated working of recording or reproducing apparatus with related apparatus
    • G11B31/02Arrangements for the associated working of recording or reproducing apparatus with related apparatus with automatic musical instruments

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)

Abstract

본 발명은 가라오케 장치에서 테이프에 기록되어 있는 가수음과 연주음 중에서 하나의 음을 선택하여 출력하거나 가수음과 연주음을 혼합하여 출력하는 기술에 관한 것으로, 마이크신호 검출부(104)를 이용하여 사용자가 마이크를 통해 노래를 부르고 있는지를 확인하여 그때 오토보컬회로(105)가 자동적으로 구동되게 하고, 상기 오토보컬회로(105)를 이용하여 A,B채널(ACH),(BCH)의 오디오 신호가 같은지를 확인하고, 다른 한편으로는 그 A,B채널(ACH),(BCH)의 오디오신호중에서 어느 채널의 오디오신호가 더 큰지를 확인하여 그에 따른 신호를 출력하며, 상기 오토보컬회로(l05)의 출력신호를 근거로 A,B채널(ACH),(BCH)의 오디오신호가 서로 같으면 A,B채널(ACH),(BCH)의 오디오신호가레프트, 라이프채널(LCH), (RCH)을 통해 출력되게 하고, 서로 다르면 큰 신호가 검출된 채널의 오디오신호가 뷰팅되고 작은신호가 검출된 채널의 오디오신호가 레프트, 라이트채널(LCH), (RCH)을 통해 출력되도록 하였다.The present invention relates to a technology for selecting and outputting one of the mantissas and the performance sounds recorded on the tape in the karaoke apparatus, or by mixing the mantissa and the performance sounds, and using the microphone signal detector 104. Checks whether the user is singing through a microphone so that the autovocal circuit 105 is automatically driven, and the audio of the A, B channel (A CH ), (B CH ) is used by using the autovocal circuit 105. On the other hand, from among the audio signals of the A, B channel (A CH ) and (B CH ), the audio signal of which channel is larger and outputs the corresponding signal, and outputs the corresponding signal. based on the output signal of the circuit (l05) a, B channels (a CH), (B CH ) , the audio signal is equal to each other of a, B channels (a CH), the audio signal is left in the (B CH), Life channel Output through (L CH ), (R CH ), if different The audio signal of the channel where the call is detected is viewed and the audio signal of the channel where the small signal is detected is output through the left, the right channel (L CH ), and the (R CH ).

Description

가라오케 시스템의 오토 보컬 플러스 방법 및 장치Auto vocal plus method and apparatus of karaoke system

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제2도는 본 발명 가라오케 시스템의 오토보컬 플러스 장치의 예시 블럭도,2 is an exemplary block diagram of an autovocal plus device of the karaoke system of the present invention.

제3도는 본 발명의 가라오케 시스템의 오토보컬 플러스 방법에 대한 신호 흐름도.3 is a signal flow diagram for the autovocal plus method of the karaoke system of the present invention.

Claims (3)

테이프가 로딩되게 플레이키이가 입력될때 마이크로신호가 입력되는지를 확인하여 입력되지 않을 경우 출력선택기를 제어하여 A,B채널에 입력되는 재생신호가 그대로 레프트, 라이트채널로 출력되게 하는 제1과정과, 상기 제I과정에서 마이크로 신호가 입력되면 오토보컬회로를 구동시키고 A, B채널을 통해 입력되는 재생신호를 비교하여 서로 잡으면 출력선택기를 제어하여 A,B채널에 입력되는 신호가 그대로 레프트, 라이트채널로 출력되게 하는 제2과정과, 상기 제2과정의 비교결과 A, B채널의 재생신호가 서로 상이하면 그 A, B채널의 재생신호의 크기를 비교하여 큰 신호가 검출되는 채널“반주음+가수음”이 기록된 것으로 판단하여 그 채널의 출력음을 뷰팅시키고, 다른 채널에서 출력되는 재생음과 마이크음을 레프트, 라이트 채널을 통해 출력하는 제3과정으로 이루어지는 것을 특징으로 하는 가라오케 시스템의 오토 보컬 플러스 방법.A first step of checking whether a micro signal is input when the play key is input to load the tape and controlling the output selector to output the reproduction signal input to the A and B channels as left and right channels; When the micro signal is input in step I, the auto vocal circuit is driven and the reproduction signals input through the A and B channels are compared with each other and the output signals are controlled by the output selector. When the reproduction signal of the A and B channels is different from each other as a result of the comparison between the second process and the second process, the channel “accompaniment sound +” in which a large signal is detected by comparing the magnitudes of the reproduction signals of the A and B channels is compared. And then the output sound of the channel is viewed, and the playback sound and microphone sound output from other channels are output through the left and right channels. The process of how the auto Voice plus the karaoke system which comprises a three. 테이프로부터 독취된 A채널의 신호를 복조 및 필터링하고 여기에 마이크를 통해 입력되는 음성신호를 혼합하여 출력선택기(107)의 일측 입력으로 공급하는 A채널 오디오신호 출력부(101)와, 테이프로부터 독취된 B채널의 신호를 복조 및 필드링하고 여기에 마이크를 통해 입력되는 음성신호를 혼합하여 출력선택기(107)의 타측 입력으로 공급하는 B채널 오디오신호 출력부(102)와, 마이크로신호를 처리하기에 적당한 수준으로 증폭하여 상기 A,B채널 오디오신호 출력부(101),(102)에 출력하는 마이크신호 출력부(103)와, 마이크(30)가 잭(J)에 삽입되고, 그 마이크(30)를 통해 음성신호가 입력되는지를 확인하여 그에 따라 오토보컬희로(105)의 구동을 제어하는 마이크신호 검출부(104)와, 상기 A,B채널음성신호 출력부(101),(102)에서 각기 출력되는 A,B채널(ACH),(BCH)의 오디오신호가 서로 같은지를 확인하고, 다른 한편으로는 그 A,B채널(ACH),(BCH)의 오디오신호 중에서 어느 채널의 오디오신호가 더 큰지를 확인하여 그에 따른 신호를 출력하는 오토보컬회로(105)와, 상기 오토보컬회로(105)의 출력신호를 근거로 A,B채널(ACH),(BCH)의 오디오신호가 서로 같으면 A,B채널(ACH),(BCH)의 오디오신호가 레프트, 라이트채널(LCH), (RCH)을 통해 출력되게 서로 다르면 신호가 큰 신호가 검출된 채널의 오디오신호가 뷰팅되고 작은신호가 검출된 채널의 오디오신호가 레프트, 라이트채널(LCH), (RCH)을 통해 출력되게 출력선택기(107)를 제어하는 마이크로컴퓨터(]06)로 구성한 것을 가라오케 시스템의 오토 보컬 플러스 장치.A-channel audio signal output unit 101 for demodulating and filtering the A-channel signal read from the tape and mixing the audio signal input through the microphone to one side input of the output selector 107, and reading from the tape. B-channel audio signal output unit 102 for demodulating and field-processing the B-channel signal, mixing the audio signal input through the microphone to the other input of the output selector 107, and processing the micro-signal. The microphone signal output unit 103 and the microphone 30 are inserted into the jack J to be amplified to an appropriate level and output to the A and B channel audio signal output units 101 and 102. 30, a microphone signal detector 104 for checking whether a voice signal is input and controlling the driving of the auto vocal furnace 105, and the A and B channel voice signal output units 101 and 102 accordingly. A, B channel (A CH ), (B CH ) output from Auto vocal which checks whether the audio signals are the same, and on the other hand, which audio signal of the A, B channel (A CH ), (B CH ) is bigger and outputs the corresponding signal. circuit 105 and, based on the output signal of the automatic vocal circuit 105 a, B channels (a CH), (B CH), the audio signal is equal to each of a, B channels (a CH), (B CH If the audio signal of) is different from the left, right channel (L CH ), and (R CH ), the audio signal of the channel where the signal with the large signal is detected is viewed and the audio signal of the channel where the small signal is detected is left, An auto vocal plus device of a karaoke system comprising a microcomputer (] 06) which controls the output selector 107 to be output through the light channels L CH and R CH . 제2항에 있어서, 오토보컬회로(I05)는 A,B채널 오디오신호 출력부(101),(102)에서 복조 및 필터링된 오디오신호를 각각 완충증폭하는 버퍼(37),(38), 상기 버퍼(37),(38)서 출력되는 신호가 서로 동일한지를 확인하기 위하여 그들의 차값을 구하는 매트릭스(39)와, 상기 매트릭스(39)의 출력신호를 증폭하는 증폭기(40) 및 그 증폭된 신호를 직류전압으로 변환하는 저역필터(41)와, 상기 마이크신호 검출부(l04)의 출력신호에 따라 오토보컬회로(105)의 구동전원 공급을 제어하고, 상기 저역필터(4l)의 출력신호에 따라 “하이” 또는 “로우”신호를 출력하는 전원스위칭부(42)와, 상기 버퍼(37),(38)의 출력을 가산한 후 이를 윈래의 A,B채널 신호에 각기 가산하는 매트릭스(43)와, 상기 매트릭스(43)에서 출력되는 2채널의 교류신호를 필터링하여 직류진압으로 출력하는 저역필터(44),(45)와, 상기 저역필터(44),(45)의 출력신호를 비교하여 그에 따른 “로우” “하이”신호를 마이크로컴퓨터(106)에 출력하는 비교기(46)로 구성한 것을 가라오케 시스템의 오토 보컬 플러스장치.3. The automatic vocal circuit I05 includes buffers 37 and 38 for amplifying the audio signals demodulated and filtered by the A and B channel audio signal outputs 101 and 102, respectively. In order to confirm whether the signals output from the buffers 37 and 38 are the same, the matrix 39 for obtaining their difference values, the amplifier 40 for amplifying the output signal of the matrix 39 and the amplified signal The driving power supply of the auto vocal circuit 105 is controlled in accordance with the low pass filter 41 for converting to the DC voltage and the output signal of the microphone signal detection unit 04, and in accordance with the output signal of the low pass filter 4l. A power switch 42 for outputting a high or low signal, a matrix 43 for adding the outputs of the buffers 37 and 38, and then adding the outputs to A and B channel signals respectively; Low-pass filter for filtering the AC signal of the two channels output from the matrix 43 and outputting the DC signal Comparator 46 which compares the output signals of the outputs 44 and 45 with the low pass filter 44 and 45 and outputs the corresponding "low" and "high" signals to the microcomputer 106. Auto vocal plus device of karaoke system. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940025736A 1994-10-07 1994-10-07 Method and apparatus for autovocalplus of karaoke system KR0127221B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019940025736A KR0127221B1 (en) 1994-10-07 1994-10-07 Method and apparatus for autovocalplus of karaoke system
TR95/01230A TR199501230A2 (en) 1994-10-07 1995-10-06 Vocal output device and method for Karaoke system.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940025736A KR0127221B1 (en) 1994-10-07 1994-10-07 Method and apparatus for autovocalplus of karaoke system

Publications (2)

Publication Number Publication Date
KR960015561A true KR960015561A (en) 1996-05-22
KR0127221B1 KR0127221B1 (en) 1998-04-03

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KR1019940025736A KR0127221B1 (en) 1994-10-07 1994-10-07 Method and apparatus for autovocalplus of karaoke system

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TR (1) TR199501230A2 (en)

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TR199501230A2 (en) 1997-04-22
KR0127221B1 (en) 1998-04-03

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