Manual browser: emuxki(4)

EMUXKI(4) Kernel Interfaces Manual EMUXKI(4)


emuxkiCreative Labs SBLive! and PCI 512 audio device driver


emuxki* at pci? dev ? function ?
audio* at audiobus?


The emuxki 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:

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


The emuxki device driver appeared in NetBSD 1.5.3.


The emuxki driver was written by Yannick Montulet <>.


Currently, this driver does not support multiple source recording, MIDI nor the multi-voice capability.
June 22, 2005 NetBSD 7.0