[M4IF Technotes] Number of Channels

[AVARO Olivier FTRD/DIH/REN]

> You can get it from Decoder_specific_info presented in 
> ES_Descriptor
> of partricular audio track.
I don't think this is mandatorily present in 3GPP branded files.
Maybe another good reason to multi-brand your files and have MP4
branding as the common denominator so that we avoid YAMM (yet another
multimedia mess).
Kind regards,
Olivier