tLoop]( [param:Boolean value] )</h3>
		<p>
		设置[link:https://developer.mozilla.org/en-US/docs/Web/API/AudioBufferSourceNode/loop source.loop]的值
		(是否循环播放).
		</p>

		<h3>[method:this setLoopStart]( [param:Float value] )</h3>
		<p>
		设置[link:https://developer.mozilla.org/en-US/docs/Web/API/AudioBufferSourceNode/loopStart source.loopStart]的值
		</p>

		<h3>[method:this setLoopEnd]( [param:Float value] )</h3>
		<p>
		设置[link:https://developer.mozilla.org/en-US/docs/Web/API/AudioB