KR970032263A - Automatic equalization method for each music genre of audio equipment and its device - Google Patents

Automatic equalization method for each music genre of audio equipment and its device Download PDF

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Publication number
KR970032263A
KR970032263A KR1019950045703A KR19950045703A KR970032263A KR 970032263 A KR970032263 A KR 970032263A KR 1019950045703 A KR1019950045703 A KR 1019950045703A KR 19950045703 A KR19950045703 A KR 19950045703A KR 970032263 A KR970032263 A KR 970032263A
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South Korea
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voice signal
signal level
frequency band
music genre
khz
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KR1019950045703A
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Korean (ko)
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KR0149410B1 (en
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박승태
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김광호
삼성전자 주식회사
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/165—Equalizers; Volume or gain control in limited frequency bands
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/005—Tone control or bandwidth control in amplifiers of digital signals

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  • Circuit For Audible Band Transducer (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)

Abstract

본 발명은 오디오기기의 음악장르별 자동 이퀄라이징방법 및 그 장치에 관한 것으로서, 오디오기기에 수신된 방송신호 및 기록매체로부터 재생된 음성신호의 음악장르를 분석하여 해당 음악장르에 따라 자동으로 이퀄라이징기능을 수행하도록 하기 위하여, 방송신호를 튜닝하는 튜너와, 기록매체로부터 음성신호를 검출하는 재생계와, 튜너 및 재생계로부터 인가된 음성신호 중 소정주파수대역의 음성신호만을 필터링하는 복수개의 대역통과필터와, 초기설정된 소정주파수대역의 기준 음성신호레벨을 저장하는 메모리와, 이퀄라이징기능을 수행하는 이퀄라이저, 및 전술한 각 구성부를 제어하는 마이크로 컴퓨터를 구비하는 오디오기기의 음악장르별 자동 이퀄라이징방법에 있어서 상기 복수개의 대역통과필터로부터 소정주파수대역별 음성신호레벨을 검출하고; 상기 메모리에 저장된 기준 음성신호레벨을 검출하며; 상기 검출된 각각의 음성신호레벨을 비교하여 해당 음성신호의 음악장르를 분석하고; 분석된 결과에 따라 전대역에 걸쳐 음성신호레벨을 자동으로 조정하도록 하였다(제3도).The present invention relates to an automatic equalizing method and apparatus for each music genre of an audio device, and analyzes a music genre of a broadcast signal received from an audio device and a voice signal reproduced from a recording medium and automatically performs an equalizing function according to the corresponding music genre. A tuner for tuning a broadcast signal, a reproducing system for detecting a voice signal from a recording medium, a plurality of band pass filters for filtering only voice signals of a predetermined frequency band among voice signals applied from the tuner and reproducing system, A plurality of bands in a music genre automatic equalizing method of an audio device having a memory for storing a reference voice signal level of a predetermined predetermined frequency band, an equalizer for performing an equalizing function, and a microcomputer for controlling the above-described components. Voice signal for each predetermined frequency band from pass filter Detect a bell; Detect a reference audio signal level stored in the memory; Analyzing the music genres of the voice signals by comparing the detected voice signal levels; According to the analysis result, the audio signal level was automatically adjusted over the entire band (FIG. 3).

또한, 방송신호를 튜닝하는 튜너와, 기록매체로부터 음성신호를 검출하는 재생계를 구비하는 오디오기기에 있어서; 상기 튜너 및 재생계로부터 인가된 음성신호 중 소정주파수대역의 음성신호만을 필터링하는 복수개의 대역통과필터; 초기 설정된 소정주파수대역의 기준음성신호레벨을 저장하는 메모리; 상기 복수개의 대역통과필터에 의해 필터링된 소정주파수대역의 음성신호레벨을 검출하고, 메모리에 저장된 기준 음성신호레벨을 검출하며, 검출된 각각의 음성신호레벨을 비교하여 상기 튜너 및 재생계로부터 인가된 음성신호의 음악장르를 파악하고, 파악된 음악장르에 따른 전대역의 음성신호레벨을 이퀄라이징하기 위한 제어신호를 출력하는 마이크로 컴퓨터; 및 상기 마이크로 컴퓨터로부터 인가된 제어신호에 따라 전대역의 음성신호레벨을 이퀄라이징하는 이퀄라이저를 구비하였다.An audio apparatus comprising: a tuner for tuning a broadcast signal, and a reproduction system for detecting an audio signal from a recording medium; A plurality of band pass filters for filtering only voice signals of a predetermined frequency band among voice signals applied from the tuner and the reproduction system; A memory for storing a reference voice signal level of an initially set predetermined frequency band; Detects a voice signal level of a predetermined frequency band filtered by the plurality of band pass filters, detects a reference voice signal level stored in a memory, compares each detected voice signal level, and is applied from the tuner and the reproduction system. A microcomputer which grasps the music genre of the voice signal and outputs a control signal for equalizing the voice signal levels of all bands according to the identified music genre; And an equalizer for equalizing the voice signal levels of all bands according to the control signal applied from the microcomputer.

Description

오디오기기의 음악장르별 자동 이퀄라이징방법 및 그 장치Automatic equalization method for each music genre of audio equipment and its device

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

제2도는 음악장르별 주파수파형도.2 is a frequency waveform diagram of music genres.

Claims (5)

방송신호를 튜닝하는 튜너와, 기록매체로부터 음성신호를 검출하는 재생계와, 튜너 및 재생계로부터 인가된 음성신호 중 소정주파수대역의 음성신호만을 필터링하는 복수개의 대역통과필터와, 초기 설정된 소정주파수대역의 기준 음성신호레벨을 저장하는 메모리와, 이퀄라이징기능을 수행하는 이퀄라이저, 및 전술한 각 구성부를 제어하는 마이크로 컴퓨터를 구비하는 오디오기기의 음악장르별 자동 이퀄라이징방법에 있어서, 상기 복수개의 대역통과필터로부터 소정주파수대역별 음성신호레벨을 검출하고, 상기 메모리에 저장된 기준 음성신호레벨을 검출하며 상기 검출된 각각의 음성신호레벨을 비교하여 해당 음성신호의 음악장르를 분석하고 분석된 결과에 따라 전대역에 걸쳐 음성신호레벨을 자동으로 조정하도록 한 오디오기기의 음악장르별 자동 이퀄라이징방법.A tuner for tuning a broadcast signal, a reproducing system for detecting a voice signal from a recording medium, a plurality of band pass filters for filtering only a voice signal of a predetermined frequency band among voice signals applied from the tuner and reproducing system, and a predetermined preset frequency A music genre automatic equalization method of an audio device having a memory for storing a reference voice signal level of a band, an equalizer for performing an equalizing function, and a microcomputer for controlling each of the above-described components, the method comprising: from the plurality of band pass filters; Detects the voice signal level for each predetermined frequency band, detects the reference voice signal level stored in the memory, compares each detected voice signal level, analyzes the music genre of the corresponding voice signal, and analyzes the voice over the entire band according to the analysis result. Music genre of audio equipment to adjust the signal level automatically Automatic equalization of stars. 제1항에 있어서, 상기 음성신호레벨을 검출하는 소정주파수대역은, 100헤르쯔(Hz)와 1킬로헤르쯔(kHz) 및 8킬로헤르쯔(kHz)의 주파수대역별 음성신호레벨을 검출하도록 한 것을 특징으로 하는 오디오기기의 음악장르별 자동 이퀄라이징방법.The method of claim 1, wherein the predetermined frequency band for detecting the audio signal level, characterized in that the detection of the audio signal level for each frequency band of 100 Hz (Hz), 1 kHz (kHz) and 8 kHz (kHz) Automatic equalization method for each music genre of an audio device. 방송신호를 튜닝하는 튜너와, 기록매체로부터 음성신호를 검출하는 재생계를 구비하는 오디오기기에 있어서 상기 튜너 및 재생계로부터 인가된 음성신호 중 소정주파수대역의 음성신호만을 필터링하는 복수개의 대역통과필터; 초기 설정된 소정주파수대역의 기준 음성신호레벨을 저장하는 메모리; 상기 복수개의 대역통과필터에 의해 필터링된 소정주파수대역의 음성신호레벨을 검출하고, 메모리에 저장된 기준 음성신호레벨을 검출하며, 검출된 각각의 음성신호레벨을 비교하여 상기 튜너 및 재생계로부터 인가된 음성신호의 음악장르를 파악하고, 파악된 음악장르에 따른 전대역의 음성신호레벨을 이퀄라이징하기 위한 제어신호를 출력하는 마이크로 컴퓨터 및 상기 마이크로 컴퓨터로부터 인가된 제어신호에 따라 전대역의 음성신호레벨을 이퀄라이징하는 이퀄라이저를 구비하는 오디오기기의 음악장르별 자동 이퀄라이징장치.In an audio device having a tuner for tuning a broadcast signal and a playback system for detecting a voice signal from a recording medium, a plurality of band pass filters for filtering only a voice signal of a predetermined frequency band among the voice signals applied from the tuner and the playback system. ; A memory for storing a reference voice signal level of an initially set predetermined frequency band; Detects a voice signal level of a predetermined frequency band filtered by the plurality of band pass filters, detects a reference voice signal level stored in a memory, compares each detected voice signal level, and is applied from the tuner and the reproduction system. A microcomputer for identifying the music genre of the voice signal and outputting a control signal for equalizing the voice signal level of the entire band according to the identified music genre, and equalizing the voice signal level of the full band according to the control signal applied from the microcomputer. Automatic equalization device for each music genre of an audio device having an equalizer. 제3항에 있어서, 상기 복수개의 대역통과필터는, 100헤르쯔(Hz)의 주파수대역을 갖는 음성신호만을 필터링하는 100헤르쯔(Hz) 대역통과필터; 1킬로헤르쯔(kHz)의 주파수대역을 갖는 음성신호만을 필터링하는 1킬로헤르쯔(kHz) 대역통과 필터 및 8킬로헤르쯔(kHz)의 주파수대역을 갖는 음성신호만을 필터링하는 8킬로헤르쯔(kHz) 대역통과필터로 구성된 것을 특징으로 하는 오디오기기의 음악장르별 자동 이퀄라이징장치.The band pass filter of claim 3, wherein the plurality of band pass filters comprise: a 100 Hz band pass filter for filtering only a voice signal having a frequency band of 100 Hz; 1 kHz (kHz) bandpass filter to filter only voice signals with frequency band of 1 kHz (kHz) and 8 kHz (kHz) bandpass filter for voice signal with frequency band of 8 kHz (kHz) Automatic equalizing device for each music genre of an audio device, characterized in that consisting of a filter. 제3항에 있어서, 상기 마이크로 컴퓨터는 상기 복수개의 대역통과필터로부터 소정주파수대역별 음성신호레벨을 검출하고, 상기 메모리에 저장된 기준 음성신호레벨을 검출하며, 상기 검출된 각각의 음성신호레벨을 비교하여 해당 음성신호의 음악장르를 분석하고, 분석된 결과에 따라 전대역에 걸쳐 음성신호레벨을 자동으로 조정하는 과정을 수행하도록 한 것을 특징으로 하는 오디오 기기의 음악장르별 자동 이퀄라이징장치.The method of claim 3, wherein the microcomputer detects a voice signal level for each predetermined frequency band from the plurality of band pass filters, detects a reference voice signal level stored in the memory, and compares the detected voice signal levels. Analyzing the music genre of the corresponding voice signal, and automatically adjusting the voice signal level over the entire band according to the analysis result, characterized in that the automatic music device for each genre of the audio device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950045703A 1995-11-30 1995-11-30 An apparatus for equalizing automatically audio device KR0149410B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100601262B1 (en) * 2004-06-24 2006-07-14 주식회사 대우일렉트로닉스 Device for changing audio output automatically on the audio player
KR100841096B1 (en) * 2002-10-14 2008-06-25 리얼네트웍스아시아퍼시픽 주식회사 Preprocessing of digital audio data for mobile speech codecs

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990038649A (en) * 1997-11-06 1999-06-05 구자홍 Automatic sound control device for audio equipment
KR100758133B1 (en) * 2005-10-18 2007-09-12 주식회사 레인콤 Device and Method of Multimedia Regeneration Considering Properties and Location Information of User
KR100677622B1 (en) * 2005-12-02 2007-02-02 삼성전자주식회사 Method for equalizer setting of audio file and method for reproducing audio file using thereof
KR100832360B1 (en) * 2006-09-25 2008-05-26 삼성전자주식회사 Method for controlling equalizer in digital media player and system thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100841096B1 (en) * 2002-10-14 2008-06-25 리얼네트웍스아시아퍼시픽 주식회사 Preprocessing of digital audio data for mobile speech codecs
KR100601262B1 (en) * 2004-06-24 2006-07-14 주식회사 대우일렉트로닉스 Device for changing audio output automatically on the audio player

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