epping4est

Agreed, but neither PLR nor PSR algorithms would measure more than the delta of the recording's (raw) quietest and loudest audio signal...

Nice. Even nicer if that were the norm!

c.f. A Beginner's Guide to Dynamic Range in Audio Production As shown, the Dynamic Range (DR) is the difference between quietest and...

Why provide as evidence the database sorted by Average DR (descending) rather than sorted by Maximum DR (descending) as was given? I...

Correct, as was stated later in this thread, where IEC 60268-5 is the referenced "standard":

The Dynamic Range DB represents a very small fraction of all recordings, but anyway lists quite a few recordings having a DR of more...