Tv Volume

[fruitsalad]

Why is it different on every channel?

[deggers316]

yeh its a real pain
you can on some set turn on auto volume control

[squarebear]

And it always goes louder during the adverts too.

[bazwillrun]

In adverts the audio has been manipulated to appear louder, by using signal compression amongst other audio tricks

so it appears that the volume is louder but in most cases it isnt it just seems that way

There was talk a few years ago of outlawing it but dont think it got anywhere

[ChuckFickens]

It's in the 2008 version of the TV advertising code, it says something like
"Highly compressed advertisements
of this nature must have their peak volume reduced before broadcast and maintain a
particular range of volume to ensure the subjective volume is consistent with adjacent
programming and to prevent excessive loudness changes."