在iPhone上播放过程中改变音频音高 [英] Change pitch of audio during playback on iPhone

问题描述

什么是实现这一目标的最佳方式？

What is the best way to accomplish this?

这是我到目前为止阅读，看来你必须设置远程IO（这是一种痛苦本身）。你需要做的FFT？是否有任何的例子在那里？

From what I have read so far, it seems you have to setup IO Remote (which is a pain itself). Do you need to do a FFT? Are there any examples out there?

我可以只加速/减速回放？

Can I just speed up / slow down playback?

感谢

推荐答案

的OpenAL可以让你变调与AL_PITCH源属性。也许你可以通过运行的OpenAL音频和使用。

OpenAL lets you pitch-shift with the AL_PITCH source property. Maybe you could run your audio through OpenAL and use that.

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