Re: AudioUnit on iPhone to slow down sound?
Re: AudioUnit on iPhone to slow down sound?
- Subject: Re: AudioUnit on iPhone to slow down sound?
- From: Bob Sabiston <email@hidden>
- Date: Mon, 30 Jul 2012 17:20:33 -0500
> Message: 1
> Date: Mon, 30 Jul 2012 13:40:41 -0400
> From: Wil Macaulay <email@hidden>
> To: tahome izwah <email@hidden>
> Cc: coreaudio-api <email@hidden>
> Subject: Re: AudioUnit on iPhone to slow down sound?
> Message-ID:
> <CAPwTryJ0T+0CsZbNROZTBTfc=email@hidden>
> Content-Type: text/plain; charset="iso-8859-1"
>
> As of iOS 6, there is support for kAudioUnitSubType_NewTimePitch,
> which is better quality than the open-source libraries, but not as good as
> Dirac.
> The advantage is that you can put it into an audio graph.
>
> wil
Wow, I will look into that, thanks!
In the meantime, I have it working now with DIRAC. Now my question is, can I save the result to a file?
In other words, I have my rendered audio going through the DiracFX processor and playing at whatever time-stretch I set with a slider. I would like to capture those slowed-down sounds as AIFF or WAV files.
I am thinking I should be able to mimic what the rendering call back does when it requests samples, only channel the result into a WAV file. But I am a little uncertain of how to do that, and there may be some built-in way to do that anyway. Does anyone know?
Thanks
Bob
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