78% of people say background music makes dialogue hard to hear, and about
half of all viewers now watch with subtitles on. Nearly three in four of them
name the mix rather than their own hearing.
This measures how far the talking sits above everything under it, using the
same gated loudness the broadcast standards use, and tells you where in the
runtime it goes wrong. Direct links to a media file, please — not a page
that contains one. Under 80 MB and under 30 minutes.
It is honest about what it cannot do: where the voice and the bed are within
a decibel of each other it says so instead of printing a number.