A sound system for use in Windows 9x/NT software, providing developers with a set of powerful yet easy to use WAV sample, sample stream, MOD/XM/IT/S3M/MTM music, and audio CD playback functions. BASS also features 3D sound and EAX (Environmental Audio eXtensions), and takes advantage of DirectSound and DirectSound3D hardware 'accelerated' drivers, and MMX CPUs.Requires DirectX.