AZALIA(4)                 OpenBSD Programmer's Manual                AZALIA(4)

NAME
     azalia - Generic High Definition Audio device

SYNOPSIS
     azalia* at pci?
     audio* at azalia?

DESCRIPTION
     The azalia device driver is expected to support any PCI device which is
     compliant with the High Definition Audio Specification 1.0.  Known sup-
     ported devices are Intel 82801FB/GB/HB/IB I/O controller hub (ICH6, ICH7,
     ICH8, ICH9), ALI M5461, ATI SB450/SB600/SB700, NVIDIA
     MCP51/55/61/65/67/73/77/79/7B, SiS 966/966L and VIA Technologies
     VT8237A/VT8251 chips.

SEE ALSO
     audio(4), pci(4)

     http://www.intel.com/standards/hdaudio/

HISTORY
     The azalia device driver first appeared in NetBSD 3.0.  OpenBSD support
     first appeared in OpenBSD 4.0.

BUGS
     S/PDIF support is not implemented.

     Non-PCM encodings such as Float32 and AC-3 are not supported.

     There is no way to use 20-bit or 24-bit precision because of a limitation
     of the MI audio framework.

OpenBSD 4.4                      June 26, 2008                               1
