utgg wrote: 
> BPA: I've determined that these are 24KHz sampling rate streams (from
> the esds atom), even though the .mpd reports audioSamplingRate="48000".

The error is due to the fact that audio encoding is SBR (Audio Object
type 5) - an ADTS header has only 2 bits of encoding so the SBR usually
gets lost= and become AAC Main which Touch and Radio cannot play.

I downloaded a problem programs (Composer of the Week).  Converted to
ADTS using MP4Box and ffmpeg which result in different ADTS headers. 
Touch will play ffmpeg converted file which has AAC LC in ADTS header
but touch cannot play the MP4Box converted file which has AAC Main in
the ADTS header - otherwise no change in the bytes from original MPEG4
from BBC.


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