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KR960036613A - Voice Multiple Switching Control Device of NICAM Receiving Television and Its Method - Google Patents

Voice Multiple Switching Control Device of NICAM Receiving Television and Its Method Download PDF

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Publication number
KR960036613A
KR960036613A KR1019950007388A KR19950007388A KR960036613A KR 960036613 A KR960036613 A KR 960036613A KR 1019950007388 A KR1019950007388 A KR 1019950007388A KR 19950007388 A KR19950007388 A KR 19950007388A KR 960036613 A KR960036613 A KR 960036613A
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South Korea
Prior art keywords
voice
signal
switching
nicam
audio signal
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KR1019950007388A
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Korean (ko)
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KR0142717B1 (en
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김민태
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배순훈
대우전자 주식회사
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
    • H04N5/602—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for digital sound signals
    • H04N5/605—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for digital sound signals according to the NICAM system
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6406—Filters characterised by a particular frequency characteristic

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Television Receiver Circuits (AREA)
  • Circuits Of Receivers In General (AREA)
  • Stereo-Broadcasting Methods (AREA)

Abstract

본 발명은 NICAM방송시스템의 음성신호에 실려있는 플래그비트를 체크함에 따라 모노음성출력 또는 음성다중출력상태를 절환할 수 있도록 하여 출력음성의 오류를 최소화하기 위한 NICAM수신텔레비전의 음성다중절환제어장치와 그 방법을 제공한다.The present invention provides a voice multiple switching control device of a NICAM receiving television for minimizing an error of output voice by switching a mono voice output or a voice multiple output state by checking a flag bit carried in a voice signal of a NICAM broadcasting system. It provides a way.

그에 따라 본 발명은, NICAM방송에 따른 음성중간주파수신호가 SIF SAW필터(10)를 통해 SAW필터링되어 위상복조부(12)를 통해 위상복조된 다음에 음성신호처리부(14)에 의해 음성출력가능하게 음성신호처리되어 음성다중처리부(16)를 통해 스테레오신호처리 또는 듀얼신호처리되는 NICAM수신텔레비전의 음성처리장치에 있어서; 상기 음성신호처리부(14)로부터의 음성신호가 모노음성신호로서 출력되도록 하거나 상기 음성다중처리부(16)로 인가되도록 하는 상태를 스위칭절환하는 스위칭절환수단(18)과 상기 위상복조부(12)로부터의 NICAM음성신호 또는 2-C음성신호에 포함된 플래그비트를 추출하는 플래그추출수단(20), 그 플래그추출수단(20)에서 추출된 플래그비트의 데이터코드를 미리 설정되어 기억된 데이터코드와 비교하여 음성신호의 스테레오특성이나 듀얼특성 또는 모노특성을 판단한 결과로 상기 스위칭절환부(18)의 스위칭절환상태를 제어하는 제어수단(22A) 및, 상기 NICAM음성신호 또는 2-C음성신호에 포함된 플래그비트의 데이터코드를 미리 설정되어 기억된 메모리수단(22B)을 더 구비하여 구성되고, 상기 위상복조부(12)로부터의 음성신호에 플래그비트가 포함되어 있는 지의 여부를 판단하는 단계와, 상기 위상복조부(12)로부터의 음성신호에 플래그비트가 포함되어 있지 않으면 그 음성신호가 모노상태로 음성출력되도록 하는 단계, 상기 위상복조부(12)로부터의 음성신호에 플래그비트가 포함되어 있다고 판단되면 그 플래그비트의 데이터코드에 따른 스테레오특성 또는 듀얼특성에 의해 상기 음성신호처리부(14)로부터의 음성신호가 상기 음성다중처리부(16)에서 스테레오신호처리 또는 듀얼신호처리되도록 하는 단계를 포함하여 이루어진 것을 특징으로 한다.Accordingly, in the present invention, the voice intermediate frequency signal according to the NICAM broadcasting is SAW filtered through the SIF SAW filter 10 and phase demodulated through the phase demodulation unit 12, and then the voice signal processing unit 14 enables voice output. A voice processing apparatus of a NICAM receiving television which is subjected to audio signal processing and is subjected to stereo signal processing or dual signal processing through a voice multiple processing unit 16; Switching switching means 18 and the phase demodulator 12 for switching the state in which the voice signal from the voice signal processor 14 is output as a mono voice signal or applied to the voice multiple processor 16; Flag extraction means 20 for extracting flag bits included in the NICAM audio signal or 2-C audio signal, and the data code of the flag bits extracted by the flag extraction means 20 is compared with the previously stored and stored data codes. Control means 22A for controlling the switching switching state of the switching switching unit 18 as a result of determining the stereo characteristic, dual characteristic or mono characteristic of the audio signal, and a flag included in the NICAM audio signal or the 2-C audio signal. And a memory means 22B in which data codes of bits are set and stored in advance, and a flag bit is included in the audio signal from the phase demodulation section 12. Determining whether the audio signal is output from the phase demodulator 12 in a mono state if the flag bit is not included in the audio signal from the phase demodulator 12; When it is determined that the flag bit is included, the voice signal from the voice signal processor 14 is subjected to the stereo signal processing or the dual signal processing by the voice multiplexer 16 based on the stereo or dual characteristics according to the data code of the flag bit. Characterized in that it comprises a step to make.

Description

NICAM수신텔레비전의 음성다중절환제어장치와 그 방법Voice Multiple Switching Control Device of NICAM Receiving Television and Its Method

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

제1도는 본 발명에 따른 NICAM수신텔레비전의 음성다중절환제어장치를 나타낸 블럭구성도, 제2도는 NICAM방송의 음성수신주파수상태를 나타낸 주파수특성도, 제3도는 본 발명에 따른 NICAM수신텔레비전의 음성다중절환제어장치를 나타낸 플로우챠트이다.1 is a block diagram showing a voice multiple switching control apparatus of a NICAM reception television according to the present invention, FIG. 2 is a frequency characteristic diagram showing a voice reception frequency state of a NICAM broadcasting, and FIG. 3 is a voice diagram of a NICAM reception television according to the present invention. The flowchart which shows a multiple switching control apparatus.

Claims (2)

NICAM방송에 따른 음성중간주파수신호가 SIF SAW필터(10)를 통해 SAW필터링되어 위상복조부(12)를 통해 위상복조된 다음에 음성신호처리부(14)에 의해 음성출력가능하게 음성신호처리되어 음성다중처리부(16)를 통해 스테레오신호처리 또는 듀얼신호처리되는 NICAM수신텔레비젼의 음성처리장치에 있어서, 상기 음성신호처리부(14)로부터의 음성신호가 모노음성신호로서 출력되도록 하거나 상기 음성다중처리부(16)로 인가되도록 하는 상태를 스위칭절환하는 스위칭절환수단(18)과, 상기 위상복조부(12)로부터의 NICAM음성신호 또는 2-C음성신호에 포함된 플래그비트를 추출하는 플래그추출수단(20), 그 플래그추출수단(20)에서 추출된 플래그비트의 데이터코드가 미리 설정되어 기억된 데이터코드와 비교하여 음성신호의 스테레오특성이나 듀얼특성 또는 모노특성을 판단한 결과로 상기 스위칭절환부(18)의 스위칭절환상태를 제어하는 제어수단(22A) 및 상기 NICAM음성신호 또는 2-C음성신호에 포함된 플래그비트의 데이터코드를 미리 설정되어 기억된 메모리수단(22B)을 더 구비하여 구성된 것을 특징으로 하는 NICAM수신텔레비전의 음성다중절환제어장치.The voice intermediate frequency signal according to the NICAM broadcasting is SAW filtered through the SIF SAW filter 10, phase demodulated through the phase demodulator 12, and then the voice signal is processed by the voice signal processor 14 to process the voice signal. In a voice processing apparatus of a NICAM receiving television that is subjected to stereo signal processing or dual signal processing by the processing unit 16, the audio signal from the voice signal processing unit 14 is output as a mono audio signal or the voice multiple processing unit 16 is performed. Switching switching means (18) for switching and switching the state to be applied to; and flag extracting means (20) for extracting flag bits included in the NICAM speech signal or 2-C speech signal from the phase demodulation section (12); The data code of the flag bit extracted by the flag extracting means 20 is set in advance and compared with the stored data code, and the stereo or dual or mono characteristics of the audio signal. As a result of the determination, the control means 22A for controlling the switching switching state of the switching switching unit 18 and the memory means for presetting and storing data codes of flag bits included in the NICAM audio signal or 2-C audio signal ( 22. The multiplex control device of the NICAM receiving television, characterized in that it further comprises. NICAM방송에 따른 음성중간주파수신호가 SIF SAW필터(10)를 통해 SAW필터링되어 위상복조부(12)를 통해 위상복조된 다음에 음성신호처리부(14)에 의해 음성출력가능하게 음성신호처리되어 음성다중처리부(16)를 통해 스테레오신호처리 또는 듀얼신호처리되는 NICAM수신텔레비전의 음성처리장치에 있어서, 상기 위상복조부 (12)로부터의 음성신호에 플래그비트가 포함되어 있는 지의 여부를 판단하는 단계와, 상기 위상복조부(12)로부터의 음성신호에 플래그비트가 포함되어 있지 않으면 그 음성신호가 모노상태로 음성출력되도록 하는 단계, 상기 위상복조부(12)로부터의 음성신호에 플래그비트가 포함되어 있다고 판단되면 그 플래그비트의 데이터코드에 따른 스테레오특성 또는 듀얼특성에 의해 상기 음성신호처리부(14)로부터의 음성신호가 상기 음성다중처리부(16)에서 스테레오신호처리 또는 듀얼신호처리되도록 하는 단계를 포함하여 이루어진 것을 특징으로 하는 NICAM수신텔레비전의 음성다중절환제어방법.The voice intermediate frequency signal according to the NICAM broadcasting is SAW filtered through the SIF SAW filter 10, phase demodulated through the phase demodulator 12, and then the voice signal is processed by the voice signal processor 14 to process the voice signal. A voice processing apparatus of a NICAM receiving television that is subjected to stereo signal processing or dual signal processing by the processing unit 16, comprising: determining whether a flag bit is included in the audio signal from the phase demodulation unit 12; If the audio signal from the phase demodulator 12 does not contain a flag bit, outputting the audio signal in a mono state; if it is determined that the audio signal from the phase demodulator 12 includes a flag bit, The voice signal from the voice signal processor 14 is multiplied by the stereo or dual characteristics according to the data code of the flag bit. Unit 16, a stereo signal processing method or the NICAM sound multiplex switching control of the television receiver, characterized in that made in a step to be processed in the dual-signal. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950007388A 1995-03-31 1995-03-31 Apparatus and method for controlling multivoice converting in nicam receiving tv KR0142717B1 (en)

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KR1019950007388A KR0142717B1 (en) 1995-03-31 1995-03-31 Apparatus and method for controlling multivoice converting in nicam receiving tv

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KR1019950007388A KR0142717B1 (en) 1995-03-31 1995-03-31 Apparatus and method for controlling multivoice converting in nicam receiving tv

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KR960036613A true KR960036613A (en) 1996-10-28
KR0142717B1 KR0142717B1 (en) 1998-07-15

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