| ARCOFI(4) | Device Drivers Manual | ARCOFI(4) | 
arcofi —
arcofi* at dio?
audio* at audiobus?
arcofi driver supports the HP “Audio1”
  audio devices, based upon the Siemens PSB2160 “ARCOFI” codec, to
  implement the audio device interface described in
  audio(4).
This device is found onboard HP 9000 workstations models 425e, 705 and 710.
The arcofi is limited to a phone-quality
    mono, 8000 Hz sound.
AUDIO_ENCODING_ULAWAUDIO_ENCODING_ALAWAUDIO_ENCODING_SLINEAR_BEAUDIO_ENCODING_SLINEARAUDIO_ENCODING_SLINEAR_LEAUDIO_ENCODING_ULINEAR_LEAUDIO_ENCODING_ULINEAR_BEAUDIO_ENCODING_SLINEAR_BE
      encoding.arcofi has three audio ports:
inputs.lineoutputs.lineoutputs.speakerEach port has a volume control, and can be muted.
The outputs.line and
    outputs.speaker volume settings are tied to the same
    hardware setting.
arcofi driver was written for
  OpenBSD and first appeared in OpenBSD
  5.1, and was ported to NetBSD.
| August 25, 2014 | NetBSD 10.0 |