[snip]

What I haven't yet understood, both from the problem you have and the
problem I have, is why it is more difficult for a player to play a long
piece in AAC than in other formats.  I thought this was something
segmentation and fragmentation was supposed to deal with, to facilitate
streaming.

You will have to ask somebody who knows about these things but when I chased Linn this is relevant part of the reply:-

"The issue is heavily influenced by but not directly related to track duration. (Possibly too much technical detail - it's caused by the number of entries in the 'stsz' table. Problem files have huge numbers of entries, often with repeated small values; the mpeg spec allows but doesn't encourage encoders to combine these blocks together.)"

Hope this helps.

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