Control DevicesData types and functions for Audio Control Devices.Related linksAudio Library This chapter describes all of the supported QNX Sound Architecture (QSA) API functions, in alphabetical order; undocumented calls aren't supported. Data types in asoundlib.hData structures, typedefs, and enumerations that are available for working with the Audio Control Devices Functions in asoundlib.hFunctions that are available for working with the Audio Control Devices