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Re: iPhone SW Decoding Performance of MP3 vs AAC
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Re: iPhone SW Decoding Performance of MP3 vs AAC

Sorry.  I meant decoding.  Everything I wrote relates to decoding.  No encoding was done.  Any ideas?

--- On Thu, 4/8/10, James McCartney <email@hidden> wrote:

From: James McCartney <email@hidden>
Subject: Re: iPhone SW Decoding Performance of MP3 vs AAC
To: "McD" <email@hidden>
Cc: email@hidden
Date: Thursday, April 8, 2010, 1:15 PM


> My understanding is that AAC should be more efficient than MP3 for SW decoding. 
> ...
> However, my results seem to indicate the opposite. 
> ...
> I am getting 0.79-0.92 CPU time for AAC encoding and 0.65-0.68 for the mp3 encoding.  This result indicates the opposite of what I've read is correct.

?
first you talk about decoding performance then you compare encoding performance.



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