xref: /openbsd/share/man/man4/emu.4 (revision fc61954a)
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28.Dd $Mdocdate: July 16 2013 $
29.Dt EMU 4
30.Os
31.Sh NAME
32.Nm emu
33.Nd Creative Labs SBLive!, PCI 512, and Audigy audio device
34.Sh SYNOPSIS
35.Cd "emu* at pci?"
36.Cd "audio* at emu?"
37.Sh DESCRIPTION
38The
39.Nm
40device driver supports Creative Labs SoundBlaster Live!,
41Sound Blaster PCI 512,
42and SoundBlaster Audigy cards.
43.Pp
44These Environmental Audio cards are based upon the programmable EMU10K1
45digital-processing chip.
46.Pp
47Hardware features:
48.Bl -bullet -offset indent
49.It
50E-mu Systems, Inc. EMU10K1 music synthesis engine
51.It
5264-voice hardware polyphony with E-mu's patented 8-point interpolation
53technology
54.It
55Up to 1024-voice polyphony with multi-timbre capability
56.It
57Support for real-time digital effects like reverb, chorus, flanger, pitch
58shifter, or distortion across any audio source
59.It
60User-selectable settings are optimized for headphones, two or four speakers
61.It
62Processes sample rates from 5kHz to 48kHz
63.It
64Creative Multi Speaker Surround (CMSS) places any mono or stereo sound
65source in a 360 degree audio space
66.It
67Hardware full-duplex support enables simultaneous record and playback
68at 8 standard sample rates
69.It
70Allows multiple audio sources playback on the same speaker system
71.El
72.Sh SEE ALSO
73.Xr ac97 4 ,
74.Xr audio 4 ,
75.Xr intro 4 ,
76.Xr joy 4 ,
77.Xr pci 4
78.Sh HISTORY
79The
80.Nm
81device driver appeared in
82.Ox 3.1 .
83.Sh AUTHORS
84.An -nosplit
85The
86.Nm
87driver was written by
88.An Yannick Montulet Aq Mt yannick.montulet@epitech.net
89and ported to
90.Ox 3.1
91by
92.An Michael Shalayeff Aq Mt mickey@openbsd.org .
93.Sh CAVEATS
94ATTENTION!
95.Pp
96The hardware interface of this card contains registers not used
97for normal operation, but potentially dangerous
98and not possible to disable.
99Potential damage ranges from frying the card to frying
100motherboard or external equipment connected to its outputs.
101.Sh BUGS
102Currently this driver does not support MIDI, joystick input,
103or the multi-voice capability.
104.Pp
105There is currently no way to control the volume of the DAC for
106SoundBlaster Audigy cards.
107.Pp
108S-PDIF digital output does not work for
109SoundBlaster Live! and
110SoundBlaster Audigy cards.
111