NAME
esa – ESS Technology Allegro-1/Maestro-3 family audio device
SYNOPSIS
esa* at pci? audio* at esa?
DESCRIPTION
The esa driver provides support for the ESS Allegro-1 and Maestro-3 audio devices on the PCI bus. These devices are popular in laptop systems.
The Allegro-1 and the Maestro-3 are full-duplex devices that allow independent playback and recording at sample rates between 8000Hz and 48000Hz and are capable of playback at 8 and 16 bit in mono and stereo.
SEE ALSO
HISTORY
The esa device driver appeared in OpenBSD 3.1.
AUTHORS
Jared D. McNeill ⟨[email protected]⟩
BUGS
Hardware volume control is not yet supported by this driver.