EMU(4) FreeBSD Kernel Interfaces Manual EMU(4)
NAME
emu - Creative Labs SBLive!, PCI 512, and Audigy audio device
SYNOPSIS
emu* at pci?
audio* at emu?
DESCRIPTION
The emu device driver supports Creative Labs SoundBlaster Live!, Sound
Blaster PCI 512, and SoundBlaster Audigy cards.
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
interpolation technology
o Up to 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 Processes sample rates from 5kHz to 48kHz
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
<
[email protected]> and ported to OpenBSD 3.1 by Michael
Shalayeff <
[email protected]>.
CAVEATS
ATTENTION!
The 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.
BUGS
Currently this driver does not support MIDI, joystick input, or the
multi-voice capability.
There is currently no way to control the volume of the DAC for
SoundBlaster Audigy cards.
S-PDIF digital output does not work for SoundBlaster Live! and
SoundBlaster Audigy cards.
FreeBSD 14.1-RELEASE-p8 July 16, 2013 FreeBSD 14.1-RELEASE-p8