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101 lines
3.0 KiB
101 lines
3.0 KiB
<!DOCTYPE html>
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<html lang="ko">
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<head>
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<meta charset="utf-8" />
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<base href="../../../" />
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<script src="page.js"></script>
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<link type="text/css" rel="stylesheet" href="page.css" />
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</head>
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<body>
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<h1>[name]</h1>
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<p class="desc">
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오디오 데이터를 분석하기 위해 [link:https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode AnalyserNode]를 사용하는
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AudioAnalyser 오브젝트를 만듭니다.<br /><br />
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[link:https://developer.mozilla.org/en-US/docs/Web/API/Web_Audio_API Web Audio API]를 사용합니다.
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</p>
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<h2>코드 예제</h2>
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<code>
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// create an AudioListener and add it to the camera
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const listener = new THREE.AudioListener();
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camera.add( listener );
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// create an Audio source
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const sound = new THREE.Audio( listener );
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// load a sound and set it as the Audio object's buffer
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const audioLoader = new THREE.AudioLoader();
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audioLoader.load( 'sounds/ambient.ogg', function( buffer ) {
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sound.setBuffer( buffer );
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sound.setLoop(true);
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sound.setVolume(0.5);
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sound.play();
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});
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// create an AudioAnalyser, passing in the sound and desired fftSize
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const analyser = new THREE.AudioAnalyser( sound, 32 );
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// get the average frequency of the sound
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const data = analyser.getAverageFrequency();
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</code>
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<h2>예제</h2>
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<p>
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[example:webaudio_sandbox webaudio / sandbox ]<br />
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[example:webaudio_visualizer webaudio / visualizer ]
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</p>
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<h2>생성자</h2>
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<h3>[name]( audio, [link:https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/fftSize fftSize] )</h3>
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<p>
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새 [page:AudioAnalyser AudioAnalyser]를 만듭니다.
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</p>
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<h2>프로퍼티</h2>
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<h3>[property:AnalyserNode analyser]</h3>
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<p>오디오를 분석하는데 사용하는 [link:https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode AnalyserNode]입니다.</p>
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<h3>[property:Integer fftSize]</h3>
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<p>
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주파수 영역을 결정하는 데 사용되는 FFT(고속 푸리에 변환)의 크기를 나타내는 최대 2048까지의 0이 아닌 두 개의 크기.
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자세한 내용은 [link:https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/fftSize this page]를 참고하세요.
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</p>
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<h3>[property:Uint8Array data]</h3>
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<p>
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A Uint8Array with size determined by
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분석 데이터 저장에 사용되는 [link:https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/frequencyBinCount analyser.frequencyBinCount]로
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결정된 크기의 Uint8Array.
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</p>
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<h2>메서드</h2>
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<h3>[method:Uint8Array getFrequencyData]()</h3>
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<p>
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웹 오디오의 [link:https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/getByteFrequencyData getByteFrequencyData] 메서드를 사용합니다.
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해당 페이지를 확인하세요.
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</p>
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<h3>[method:Number getAverageFrequency]()</h3>
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<p>
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[page:AudioAnalyser.getFrequencyData getFrequencyData]메서드에서 리턴된 주파수 평균값입니다.
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</p>
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<h2>소스 코드</h2>
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<p>
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[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]
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</p>
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</body>
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</html>
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