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ESA(4) Device Drivers Manual ESA(4)

NAME

esaESS 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

ac97(4), audio(4), intro(4), maestro(4), pci(4)

HISTORY

The esa device driver appeared in OpenBSD 3.1.

AUTHORS

Jared D. McNeill <jmcneill@invisible.ca>

BUGS

Hardware volume control is not yet supported by this driver.
July 16, 2013 OpenBSD-current