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I'm learning Obj-C/Cocoa from scratch, with the aim of writing audio apps. Something complex like that is obviously far away but my progress is being hindered especially by Apple's choice to document the most important audio calls only in Java (!) and provide most of their example audio projects in C++. What point does this serve for a company which recommends a specific API (Cocoa) for app writing but then assumes that developers are fluent in every language under the sun? I don't feel like I should have to learn C++ and Java in order to understand how to do something in Objective C, that's practically a herculean task.

Whether folks agree with me or not, can somebody point me to any useful resources on writing audio apps in Obj-C/Cocoa? (yes, I'm already subscribed to the CoreAudio mailing list, great help that one is)

[Seb G]

I presume you have got the Core Audio SDK (which you can download from Apple as a registered developer), and have read this.

The Core Audio interface is pure C, so it doesn't really matter whether sample code is embedded in C++ or Obj-C apps -- all that matters to you will be pure C calls that you understand. However I agree that Apple's documentation is a bit light on this issue.

I myself have written (tiny) audio apps using a Cocoa gui and Carbon sound calls (also pure C) mainly because I kinda know the old Mac Sound Manager. Learn to mix the Cocoa API with other APIs (in particular Core Graphics can speed up things A LOT).

You should definitely check out this, it's a Cocoa wrapper for the Core Audio HAL. Maybe that's what you really need.