1.\" $OpenBSD: emu.4,v 1.15 2006/08/31 12:33:42 jmc Exp $ 2.\" $NetBSD: emuxki.4,v 1.1 2001/10/18 18:40:16 jdolecek Exp $ 3.\" 4.\" Copyright (c) 2001 The NetBSD Foundation, Inc. 5.\" All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. All advertising materials mentioning features or use of this software 16.\" must display the following acknowledgement: 17.\" This product includes software developed by the NetBSD 18.\" Foundation, Inc. and its contributors. 19.\" 4. Neither the name of The NetBSD Foundation nor the names of its 20.\" contributors may be used to endorse or promote products derived 21.\" from this software without specific prior written permission. 22.\" 23.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33.\" POSSIBILITY OF SUCH DAMAGE. 34.\" 35.Dd October 18, 2001 36.Dt EMU 4 37.Os 38.Sh NAME 39.Nm emu 40.Nd Creative Labs SBLive!, PCI 512, and Audigy audio device 41.Sh SYNOPSIS 42.Cd "emu* at pci?" 43.Cd "audio* at emu?" 44.Sh DESCRIPTION 45The 46.Nm 47device driver supports Creative Labs SoundBlaster Live!, 48Sound Blaster PCI 512, 49and SoundBlaster Audigy cards. 50.Pp 51These Environmental Audio cards are based upon the programmable EMU10K1 52digital-processing chip. 53.Pp 54Hardware features: 55.Bl -bullet -offset indent 56.It 57E-mu Systems, Inc. EMU10K1 music synthesis engine 58.It 5964-voice hardware polyphony with E-mu's patented 8-point interpolation 60technology 61.It 62Up to 1024-voice polyphony with multi-timbre capability 63.It 64Support for real-time digital effects like reverb, chorus, flanger, pitch 65shifter, or distortion across any audio source 66.It 67User-selectable settings are optimized for headphones, two or four speakers 68.It 69Processes sample rates from 5kHz to 48kHz 70.It 71Creative Multi Speaker Surround (CMSS) places any mono or stereo sound 72source in a 360 degree audio space 73.It 74Hardware full-duplex support enables simultaneous record and playback 75at 8 standard sample rates 76.It 77Allows multiple audio sources playback on the same speaker system 78.El 79.Sh SEE ALSO 80.Xr ac97 4 , 81.Xr audio 4 , 82.Xr intro 4 , 83.Xr joy 4 , 84.Xr pci 4 85.Sh HISTORY 86The 87.Nm 88device driver appeared in 89.Ox 3.1 . 90.Sh AUTHORS 91.An -nosplit 92The 93.Nm 94driver was written by 95.An Yannick Montulet Aq yannick.montulet@epitech.net 96and ported to 97.Ox 3.1 98by 99.An Michael Shalayeff Aq mickey@openbsd.org . 100.Sh CAVEATS 101ATTENTION! 102.Pp 103The hardware interface of this card contains registers not used 104for normal operation, but potentially dangerous 105and not possible to disable. 106Potential damage ranges from frying the card to frying 107motherboard or external equipment connected to its outputs. 108.Sh BUGS 109Currently this driver does not support MIDI, joystick input, 110or the multi-voice capability. 111.Pp 112There is currently no way to control the volume of the DAC for 113SoundBlaster Audigy cards. 114.Pp 115S-PDIF digital output does not work for 116SoundBlaster Live! and 117SoundBlaster Audigy cards. 118