我想要构建一个OSX应用程序，应用一些简单的dsp到所有的音频。我从哪里开始？ [英] I want to build a OSX app that applies some simple dsp to all audio. Where do I get started?

问题描述

我想要构建一个小工具应用程序，它位于OSX工具栏，并允许用户应用一个小dsp（均衡等）到任何音频播放。

I want to build a little utility app that sits in the OSX tool bar and allows a user to apply a little dsp (equalization, etc.) to whatever audio is playing.

例如，无论音频在哪个应用中播放，用户都可以调整整体声音的均衡。

E.g., A user could adjust the equalization of the overall sound, regardless of what app the audio is playing in.

什么库，API，将允许我进入音频流？

What Libraries, APIs, will allow me to tap into the audio stream?

这是我第一次为OSX编程，所以任何建议，帮助gotchas，这个主题将不胜感激。

This is my first time to program for OSX so any advice, help with gotchas, on this topic would be appreciated!

推荐答案

查看音频单位。

AU实验室可以配置为系统级均衡器，与 Soundflower 结合使用。

AU Lab can be configured as a system-wide equalizer, when combined with Soundflower.

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