|
|
@@ -0,0 +1,98 @@
|
|
|
+<!DOCTYPE html>
|
|
|
+<html lang="ar">
|
|
|
+ <head>
|
|
|
+ <meta charset="utf-8" />
|
|
|
+ <base href="../../../" />
|
|
|
+ <script src="list.js"></script>
|
|
|
+ <script src="page.js"></script>
|
|
|
+ <link type="text/css" rel="stylesheet" href="page.css" />
|
|
|
+ </head>
|
|
|
+ <body class="rtl">
|
|
|
+ <h1>[name]</h1>
|
|
|
+
|
|
|
+ <p class="desc">
|
|
|
+ يقوم بإنشاء كائن AudioAnalyser ، والذي يستخدم [link:https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode AnalyserNode] لتحليل البيانات الصوتية.<br /><br />
|
|
|
+
|
|
|
+ هذا يستخدم [link:https://developer.mozilla.org/en-US/docs/Web/API/Web_Audio_API Web Audio API].
|
|
|
+
|
|
|
+ </p>
|
|
|
+
|
|
|
+ <h2>مثال التعليمة البرمجية</h2>
|
|
|
+
|
|
|
+ <code>
|
|
|
+ // create an AudioListener and add it to the camera
|
|
|
+ var listener = new THREE.AudioListener();
|
|
|
+ camera.add( listener );
|
|
|
+
|
|
|
+ // create an Audio source
|
|
|
+ var sound = new THREE.Audio( listener );
|
|
|
+
|
|
|
+ // load a sound and set it as the Audio object's buffer
|
|
|
+ var audioLoader = new THREE.AudioLoader();
|
|
|
+ audioLoader.load( 'sounds/ambient.ogg', function( buffer ) {
|
|
|
+ sound.setBuffer( buffer );
|
|
|
+ sound.setLoop(true);
|
|
|
+ sound.setVolume(0.5);
|
|
|
+ sound.play();
|
|
|
+ });
|
|
|
+
|
|
|
+ // create an AudioAnalyser, passing in the sound and desired fftSize
|
|
|
+ var analyser = new THREE.AudioAnalyser( sound, 32 );
|
|
|
+
|
|
|
+ // get the average frequency of the sound
|
|
|
+ var data = analyser.getAverageFrequency();
|
|
|
+ </code>
|
|
|
+
|
|
|
+ <h2>أمثلة (Examples)</h2>
|
|
|
+
|
|
|
+ <p>
|
|
|
+ [example:webaudio_sandbox webaudio / sandbox ]<br />
|
|
|
+ [example:webaudio_visualizer webaudio / visualizer ]
|
|
|
+ </p>
|
|
|
+
|
|
|
+ <h2>المنشئ (Constructor)</h2>
|
|
|
+
|
|
|
+
|
|
|
+ <h3>[name]( audio, [link:https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/fftSize fftSize] )</h3>
|
|
|
+ <p>
|
|
|
+ يقوم بإنشاء [page:AudioAnalyser AudioAnalyser] جديد.
|
|
|
+ </p>
|
|
|
+
|
|
|
+
|
|
|
+ <h2>الخصائص (Properties)</h2>
|
|
|
+
|
|
|
+ <h3>[property:AnalyserNode analyser]</h3>
|
|
|
+ <p>[link:https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode AnalyserNode] يستخدم لتحليل الصوت.</p>
|
|
|
+
|
|
|
+ <h3>[property:Integer fftSize]</h3>
|
|
|
+ <p>
|
|
|
+ قدرة غير صفرية تصل إلى 2048 ، تمثل حجم FFT (Fast Fourier Transform) لاستخدامها لتحديد مجال التردد (frequency domain).
|
|
|
+ انظر [link:https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/fftSize this page] للحصول على التفاصيل.
|
|
|
+ </p>
|
|
|
+
|
|
|
+ <h3>[property:Uint8Array data]</h3>
|
|
|
+ <p>
|
|
|
+ *Uint8Array* بالحجم المحدد بواسطة [link:https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/frequencyBinCount analyser.frequencyBinCount] يستخدم للاحتفاظ ببيانات التحليل.
|
|
|
+ </p>
|
|
|
+
|
|
|
+
|
|
|
+ <h2>الوظائف (Methods)</h2>
|
|
|
+
|
|
|
+
|
|
|
+ <h3>[method:Uint8Array getFrequencyData]()</h3>
|
|
|
+ <p>
|
|
|
+ يستخدم طريقة [link:https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode/getByteFrequencyData getByteFrequencyData] الخاصة بـ Web Audio. انظر تلك الصفحة.
|
|
|
+ </p>
|
|
|
+
|
|
|
+ <h3>[method:Number getAverageFrequency]()</h3>
|
|
|
+ <p>
|
|
|
+ تقوم بإرجاع متوسط الترددات المعادة بطريقة [page:AudioAnalyser.getFrequencyData getFrequencyData].
|
|
|
+ </p>
|
|
|
+
|
|
|
+ <h2>المصدر (Source)</h2>
|
|
|
+
|
|
|
+ <p>
|
|
|
+ [link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]
|
|
|
+ </p>
|
|
|
+ </body>
|
|
|
+</html>
|
Hassan Muhamad