Re: Audio data in float format for iOS?
Re: Audio data in float format for iOS?
- Subject: Re: Audio data in float format for iOS?
- From: morgan packard <email@hidden>
- Date: Mon, 17 Jan 2011 13:25:57 -0700
I'm currently doing all of my synthesis in floating point land (0-1
values) and converting to ints only at the final step, when writing to
the remote io callback. Any guesses as to how much of a performance
hit I'm taking because of this? I'm using the STK library for
envelopes and oscillators, which is float-based.
Sent from my iPhone
On Jan 17, 2011, at 1:17 PM, Aran Mulholland <email@hidden> wrote:
> Im pretty sure (but don't mindbeing corrected) that on the iOS platform the only core audio data type that is supported is just integer. The most efficient format to use is going to be a pure integer one and the next candidate will be a fixed point implementation. Until we get a floating point processor on board.....
>
>
> On Jan 18, 2011, at 1:32 AM, Steve gfx <email@hidden> wrote:
>
>> Thanks, I'll take a look at that.
>>
>>
>> On 17 Jan 2011, at 14:26, tahome izwah wrote:
>>
>>> Stephan Bernsee's Dirac iPhone example comes with an EAFRead class
>>> that converts CA ABLs into float arrays. I found it quite useful and
>>> am (mis)using it frequently ever since I discovered it:
>>>
>>> http://dirac.dspdimension.com
>>>
>>> HTH
>>> --th
>>
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