volumeCeiling

The loudest KitePlayer.setVolume accepts. 1 is unity and refuses any boost, which is the default because amplifying without being asked to is not a player's decision to make.

Raise it to offer a boost, up to 2. Above unity the ring folds each sample through a saturator instead of letting it clip, so a loud passage compresses rather than squaring off; at or below unity nothing is folded and the samples are what they always were, bit for bit.

Last in the list on purpose: inserting it earlier would move downmix's position and break every caller that passed it positionally.