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Re: 64bit processing - Why?
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Re: 64bit processing - Why?


  • Subject: Re: 64bit processing - Why?
  • From: Stephen Blinkhorn <email@hidden>
  • Date: Thu, 30 Jul 2009 20:12:19 -0600


On 30 Jul 2009, at 18:07, Brian Willoughby wrote:

I will try to be brief (which is uncharacteristic for me, I admit).

There are more factors than simple dynamic range

My thoughts exactly. The clue is in the name?: double _precision_. A modular-ish synth plugin I am working on passes signals around internally with double precision. A while ago I changed the whole thing so it worked with 32 bit floats instead and I instantly felt a loss of fidelity even though the AU outputs are obviously 32 bit floats. Lots of people are starting to conduct tests like this and many people report similar findings.


I don't think anyone has mentioned this yet and correct me if I'm wrong but you can't do double precision computation with SSE/Altivec which could be significant for certain plugins.

Stephen

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  • Follow-Ups:
    • Re: 64bit processing - Why?
      • From: William Stewart <email@hidden>
References: 
 >Re: 64bit processing possible? (From: Evan Olcott <email@hidden>)
 >Re: 64bit processing possible? (From: William Stewart <email@hidden>)
 >Re: 64bit processing possible? (From: Brian Willoughby <email@hidden>)
 >Re: 64bit processing possible? (From: David Duncan <email@hidden>)
 >Re: 64bit processing possible? (From: Brian Willoughby <email@hidden>)
 >64bit processing - Why? (From: Ethan Funk <email@hidden>)
 >Re: 64bit processing - Why? (From: Brian Willoughby <email@hidden>)

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