Re: Audio I/O Question.
Re: Audio I/O Question.
- Subject: Re: Audio I/O Question.
- From: Jens Alfke <email@hidden>
- Date: Tue, 07 Jun 2011 15:37:23 -0700
On Jun 7, 2011, at 3:24 PM, Abhinav K Tyagi wrote:
> I am not sure if this is correct mailing list for the question, if so please advise correct mailing list
coreaudio-api.
> my goal is to capture the audio of 2 applications separately to 2 different files without mixing. Is it possible to do it even if both the applications output the data to default output device (internal speakers) without modifying system preferences?.
> Is there some sort of hook functionality through which application audio can be intercepted??
I am not an expert on this, but I believe that capturing the audio from an individual process requires hackery, like overriding system calls when the process launches to splice in your own code. RogueAmoeba seems to specialize in this, with their apps like AudioHijack and AirFoil, and those apps have to relaunch a target app before they can intercept its audio. I don’t know if they’ve published any details on how it’s done.
—Jens
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