EMU(4)                    OpenBSD Programmer's Manual                   EMU(4)

NAME
     emu - Creative Labs SBLive! and PCI 512 audio device driver

SYNOPSIS
     emu* at pci? dev ? function ?
     audio* at emu?

DESCRIPTION
     The emu device driver supports Creative Sound Blaster Live! cards as well
     as the Sound Blaster PCI 512.

     These Environmental Audio cards are based upon the programmable EMU10K1
     digital-processing chip.

     Hardware features:
     o   E-mu Systems, Inc. EMU10K1 music synthesis engine
     o   64-voice hardware polyphony with E-mu's patented 8-point interpola-
         tion technology
     o   Up 1024-voice polyphony with multi-timbre capability
     o   Support for real-time digital effects like reverb, chorus, flanger,
         pitch shifter, or distortion across any audio source
     o   User-selectable settings are optimized for headphones, two or four
         speakers
     o   Creative Multi Speaker Surround technology places any mono or stereo
         source in a 360 degree audio space
     o   Processes sample rates from 5kHz to 48kHz
     o   Hardware full duplex support enables simultaneous record and playback
         at 8 standard sample rates
     o   Creative Multi Speaker Surround (CMSS) places any mono or stereo
         sound source in a 360 degree audio space
     o   Hardware full-duplex support enables simultaneous record and playback
         at 8 standard sample rates
     o   Allows multiple audio sources playback on the same speaker system

SEE ALSO
     ac97(4), audio(4), intro(4), joy(4), pci(4)

HISTORY
     The emu device driver appeared in OpenBSD 3.1.

AUTHORS
     The emu driver was written by Yannick Montulet
     <yannick.montulet@epitech.net> and ported to OpenBSD 3.1 by
     Michael Shalayeff <mickey@openbsd.org>.

CAVEATS
     ATTENTION!

     Hardware interface of this card contains registers not used for normal
     operation, but potentially dangerous and not possible to disable.  Poten-
     tial damage ranges from frying the card to frying motherboard or external
     equipment connected to its outputs.

BUGS
     Currently, this driver does not support MIDI, joystick input or the mul-
     ti-voice capability.

OpenBSD 3.5                    October 18, 2001                              1
