Reducing volume

Christopher Woods christopher at
Fri Aug 16 09:18:51 EDT 2013

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 

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 <dmgi at> 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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