<snip> >I thought the only confusion there was "how do I turn off album gain >if there isn't an explicit album gain tag?" - given that you MUST NOT >disable the output_gain, which may or may not have been calibrated to >R128 album gain levels. > >You still MUST NOT turn off output gain, even if R128_ALBUM_GAIN=0 >is explicitly specified, since the raw file still could be at "I'm >50 meters from ground zero of an atomic test" levels. That still >doesn't imply *anything* about what the output_gain is or means. > >But we've given you an explicit album gain tag now that you can >switch on or off if it's not zero. I'm not sure what the remaining >confusion really is, but indeed, let's find it and clear it up. > > Cheers, > Ron > And so we're back to square one.
There's no confusion here. I have pointed up a perfectly reasonable and widespread requirement to sometimes, at the user's choice, play back music *as encoded* (and sometimes normalised to R128). You don't accept that this is a legitimate requirement, even making up bizarre examples to somehow refute real things that are happening in real software. I do understand the desire for "just works" level adjustment in the majority of software, but I ask for recognition that some specialist software requires more stringent control of the playback parameters. I even offered what I believe is a better all-round solution of the output gain setting the desired playback level and the two tags each containing the *entire* R128 normalisation adjustment, to be subtracted out if desired while still leaving the rest of the output gain in place. Whenever we get close to a form of words that accepts this requirement as a possibility, albeit far short of properly supporting it, it slips away again. I'm out of ideas. --ian _______________________________________________ codec mailing list [email protected] https://www.ietf.org/mailman/listinfo/codec
