.\"	$OpenBSD: emu.4,v 1.8 2004/06/07 09:41:46 mickey Exp $
.\"	$NetBSD: emuxki.4,v 1.1 2001/10/18 18:40:16 jdolecek Exp $
.\"
.\" Copyright (c) 2001 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
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.Dd October 18, 2001
.Dt EMU 4
.Os
.Sh NAME
.Nm emu
.Nd Creative Labs SBLive! and PCI 512 audio device driver
.Sh SYNOPSIS
.Cd "emu* at pci? dev ? function ?"
.Cd "audio* at emu?"
.Sh DESCRIPTION
The
.Nm
device driver supports Creative
Sound Blaster Live! cards as well as the Sound Blaster PCI 512.
.Pp
These Environmental Audio cards are based upon the programmable EMU10K1
digital-processing chip.
.Pp
Hardware features:
.Bl -bullet -compact
.It
E-mu Systems, Inc. EMU10K1 music synthesis engine
.It
64-voice hardware polyphony with E-mu's patented 8-point interpolation
technology
.It
Up 1024-voice polyphony with multi-timbre capability
.It
Support for real-time digital effects like reverb, chorus, flanger, pitch
shifter, or distortion across any audio source
.It
User-selectable settings are optimized for headphones, two or four speakers
.It
Processes sample rates from 5kHz to 48kHz
.It
Hardware full duplex support enables simultaneous record and playback
at 8 standard sample rates
.It
Creative Multi Speaker Surround (CMSS) places any mono or stereo sound
source in a 360 degree audio space
.It
Hardware full-duplex support enables simultaneous record and playback
at 8 standard sample rates
.It
Allows multiple audio sources playback on the same speaker system
.El
.Sh SEE ALSO
.Xr ac97 4 ,
.Xr audio 4 ,
.Xr intro 4 ,
.Xr joy 4 ,
.Xr pci 4
.Sh HISTORY
The
.Nm
device driver appeared in
.Ox 3.1 .
.Sh AUTHORS
The
.Nm
driver was written by
.An Yannick Montulet Aq yannick.montulet@epitech.net
and ported to
.Ox 3.1
by
.An Michael Shalayeff Aq mickey@openbsd.org .
.Sh CAVEATS
ATTENTION!
.Pp
Hardware interface of this card contains registers not used
for normal operation, but potentially dangerous
and not possible to disable.
Potential damage ranges from frying the card to frying
motherboard or external equipment connected to its outputs.
.Sh BUGS
Currently, this driver does not support MIDI, joystick input
or the multi-voice capability.