使用AudioServices iPhone暂停正在播放的声音样本 [英] Halting a playing sound sample on iPhone using AudioServices

问题描述

我实现而用户拖动一个UISlider时播放的声音效果。

I am implementing a sound effect that plays while a user is dragging a UISlider.

下面是IBAction为：由UISlider的值已更改名为事件

Here is the IBAction: called by the UISlider's Value Changed event

-(IBAction)playTone4; {
    AudioServicesPlaySystemSound(soundID4);	
}

我想的声音，当用户的不可以拖动滑块，但有停止的未公布是

I would like the sound to halt when the user is not dragging the slider but has not released it.

有没有办法做到这一点？似乎没有成为一个AudioServices ** **停止SystemSound（）函数。

Is there a way to do that? There doesn't seem to be an AudioServices**Stop**SystemSound() function.

推荐答案

系统声音不能被停止。

查看<一个href=\"http://developer.apple.com/iphone/library/documentation/iPhone/Conceptual/iPhoneOSProgrammingGuide/AudioandVideoTechnologies/AudioandVideoTechnologies.html#//apple%5Fref/doc/uid/TP40007072-CH19-SW35\"相对=nofollow> iPhone编程指南：部分Multimeda支持 以获取更多信息。

See the iPhone Programming Guide: section Multimeda Support for more information.

要达到预期的效果，我会建议使用的 AVAudioPlayer 或 audioQueues 。我解决的编程指南涵盖了你想了解这些技术的一切。

To accomplish the desired effect, I would recommend using AVAudioPlayer or audioQueues. The Programming Guide I addressed covers everything you want to know about these techniques.

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