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Re: Loop Audio on iPhone
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Re: Loop Audio on iPhone


  • Subject: Re: Loop Audio on iPhone
  • From: Alex Kac <email@hidden>
  • Date: Wed, 11 Feb 2009 16:28:23 -0600

Or experience. I've been reading this list for 2 years now and its funny to see how people jump on the bandwagon of premature optimization. Yes, such cases exist and there are a lot of them. But sometimes the experience tells you that its worth doing that up front.

I'm a mobile developer. I know from years of working on memory/cpu starved platforms that certain things I'm going to optimize up front because they make a huge difference. Its not premature. Its being wise.

On Feb 11, 2009, at 4:17 PM, Hamish Allan wrote:

On Wed, Feb 11, 2009 at 9:56 PM, Jens Alfke <email@hidden> wrote:

So ideally, when encoding a loop, you want to start the encoder near the end
of the loop (a distance longer than its horizon), let the loop run until the
second time it gets to the end, and then discard the encoded data for the
audio before the start of the loop. That way the initial samples of the loop
get encoded using the context acquired from the previous [i.e. last]
samples, not from a clean slate.

Sounds like premature optimisation to me ;)

H
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  • Follow-Ups:
    • Re: Loop Audio on iPhone
      • From: Hamish Allan <email@hidden>
References: 
 >Re: Loop Audio on iPhone (From: Marco Papa <email@hidden>)
 >Re: Loop Audio on iPhone (From: Jens Alfke <email@hidden>)
 >Re: Loop Audio on iPhone (From: Hamish Allan <email@hidden>)

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