1. A computerized wagering game system, comprising: a gaming module comprising a processor and gaming code which is operable when executed on the processor to present a wagering game on which monetary value can be wagered, and further comprising at least one audio channel operable to produce sound; a volume control comprising a user setting and a master setting, wherein the user volume setting is operable to adjust the system volume over a limited volume range near the master volume setting, and wherein the master volume is operable to change over time based on user volume settings.