There's some audio processing on encodes which does make them louder for
the first couple of seconds before they drop back to reasonable levels. As
I understand it this is due to the encoding profile at Maidstone maintained
by the technical partner and is the subject of much wailing and gnashing of
teeth.
Though not relevant to iPlayer files, If you're decoding multichannel via
LAV and letting Windows downmix then it will come out quieter than if you
do the downmix with the filter.
You don't perhaps have ffdshow installed too and that is actually what's
decoding (and normalising) in mediaportal? Check filter priorities.
On 16 August 2013 13:56:28 Derek Moss d...@stoptheviolence.co.uk wrote:
Is there any way to automatically reduce the volume of iPlayer
downloads as part of the download process, or will I just have to run
them through some program once they've finished? If the latter, is
there a quick, lossless way to do this without re-encoding the files?
The reason I need to do this is that iPlayer is much louder than
LiveTV, for me at least. When I'm playing iPlayer streams on my PC
with Mediaportal, the difference isn't too bad, so perhaps my codec
(LAV) is limiting the volume but when using XBMC on my RPi, the
difference is quite striking and I have to reduce the volume
considerably for iPlayer streams (which is more of a pain as
autorepeat doesn't work on the remote volume keys due to some OS bug,
so I have to press them 15-20 times). I haven't actually tested
playing downloads instead of streaming but I can't imagine the volume
will be any different.
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