netbsd man page for esa

Query: esa

OS: netbsd

Section: 4

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

ESA(4)							   BSD Kernel Interfaces Manual 						    ESA(4)

NAME
esa -- ESS Technology Allegro-1 / Maestro-3 family audio device driver
SYNOPSIS
esa* at pci? dev ? function ? audio* at audiobus? options ESA_NUM_VOICES=4
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 sys- tems. 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. Setting options ESA_NUM_VOICES=4 allows for hardware mixing in the device driver. Note that due to microcode constraints, the esa driver is currently limited to 4 simultaneous voices.
SEE ALSO
ac97(4), audio(4), pci(4)
HISTORY
The esa device driver appeared in NetBSD 1.5.3.
AUTHORS
Jared D. McNeill <jmcneill@invisible.ca>
BSD
May 13, 2008 BSD
Related Man Pages
snd_maestro3(4) - debian
hdaudiobus(4) - netbsd
neo(4) - netbsd
snd_atiixp(4) - freebsd
snd_maestro3(4) - freebsd
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