[steem] Xsteem + laptop sound
- From: Dave Phillips <dlphilp@xxxxxxxxxx>
- To: steem@xxxxxxxxxxxxx
- Date: Tue, 20 Aug 2002 08:26:11 -0400
Greetings:
Inspired by success running Xsteem on my desktop machine I decided to
try it on my laptop, an HP Omnibook 4150. I was actually interested in
finding whether I could route the MIDI output from programs like M and
Tunesmith to TiMidity++ acting as an ALSA sequencer server. This command
line:
timidity -iA -B2,8
sets up TiMidity++ to act as a sound server for any ALSA-aware client.
ALSA also provides a virtual MIDI driver, creating /dev/midi1 through
/dev/midi4. By selecting /dev/midi1 in the MIDI port selection dialog in
Xsteem I was able to drive a set of GUS (Gravis Ultrasound) patches from
M, Tunesmith, Autobusk, and a variety of other Atari MIDI progs, all on
my laptop with no dedicated MIDI hardware (the laptop's sound system is
based on a CS4232 chipset). Btw, for best results as a server TiMidity++
should be launched as root, it gets SCHED_FIFO status that way. Note
also that I used the alsa-patch-bay to connect /dev/midi1 (virtual MIDI
0) to the TiMidity port (alsa-patch-bay is a GUI for ALSA's aconnect
utility).
Now if I can just figure out how to get useful sound from /dev/dsp...
but meanwhile I'm very impressed and happy with what can be done just
with MIDI and Xsteem. Nice work !
Best regards,
== Dave Phillips
The Book Of Linux Music & Sound at http://www.nostarch.com/lms.htm
The Linux Soundapps Site at http://linux-sound.org
Currently listening to: "O presul vere" (Hildegard von Bingen)
--
Steem - http://www.blimey.strayduck.com/
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