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Re: Audio data in float format for iOS?
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Re: Audio data in float format for iOS?


  • Subject: Re: Audio data in float format for iOS?
  • From: tahome izwah <email@hidden>
  • Date: Mon, 17 Jan 2011 21:39:10 +0100

Actually, the explanation seems simply - from what I know the ARM
processor itself supports integer maths only, however, the VFP/NEON
unit which does SIMD also supports float32 as a native format.

HTH
--th


2011/1/17 Paul Davis <email@hidden>:
> On Mon, Jan 17, 2011 at 3:21 PM, tahome izwah <email@hidden> wrote:
>> While that holds true as far as CoreAudio data types are concerned the
>> Accelerate framework has code to do very fast floating point maths so
>> there is an advantage to converting from int to float if you have CPU
>> intense DSP tasks.
>
> its hard to see how that would work on a h/w platform without native
> floating point ....
>
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References: 
 >Audio data in float format for iOS? (From: Steve gfx <email@hidden>)
 >Re: Audio data in float format for iOS? (From: tahome izwah <email@hidden>)
 >Re: Audio data in float format for iOS? (From: Steve gfx <email@hidden>)
 >Re: Audio data in float format for iOS? (From: Aran Mulholland <email@hidden>)
 >Re: Audio data in float format for iOS? (From: tahome izwah <email@hidden>)
 >Re: Audio data in float format for iOS? (From: Paul Davis <email@hidden>)

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