[mythtvnz] Audio levels significantly different across different channels

[Jean-Yves Avenard]

On 6 June 2014 09:00,  <cmacneill at snap.net.nz> wrote:
> Hi,
>
> I have noticed recently I now have to alter the TV volume when changing
> channels which I don't recall having to do in the past to the same degree as
> now. The audio levels seem to differ across channels, I haven't done a full
> analysis yet, but Channel 4 seems significantly louder than others.

One possibility is that some are multi-channels (e.g. 5.1) while
others are stereo. And you have the audio upmixer enabled by default.

The upmixer tries its best to level volume, but the result isn't
always there and it stereo upmixed would sound as loud as native 5.1