I have Dolby Digital with the centre channel turned up and EQ'd to reduce muffle and Dialogue Boost turned on in the amp.
Exhibit J: The Last Of Us Season 2. The first scene in this show has around 6 characters. I don't think I understood a single word that was said.
So I screamed in despair and rewound. My dear wife, with perfect hearing, admitted she'd missed a ton of it too. We put on the subtitles and watched again. More than one line seemed to bear no relation to the mumbled noises coming out of the characters' mouths.
This is RIDICULOUS. Okay I'm a deaf old bastard, but I'll post this below from the legacy thread from November 2022:
There's a good blog post on the latest on this topic at Pro Tools Expert - https://www.pro-tools-expert.com/produc ... ogue-mixes .
A quite staggering 80% of 18-24 year olds in the UK now use subtitles some, or all of the time.

A complete inverse graphic to what you'd expect. While a lot of that must be linked to the ubiquity of subs on social media - so people can follow a video clip while scrolling their timelines without sound - it's not necessarily the case that these bright young things can actually understand dialogue okay without subs. In a US study:

What a savage indictment of the entire film and TV audio industry.