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    Wed, 13 Apr 2005

    LTSP and NAS

    The Network Audio System (NAS) tries to solve the problem of getting audio from the LTSP server to the "terminal" where the user is sitting, controlling audio-creating programs.

    Clients progream, like auplay can explicitly connect to a nasd server, or output can be redirected using a pre-loaded library. Instructions here.

    In lts.conf

    [ws073]
  SOUND_DAEMON       = nasd
  SMODULE_01         = es1370

    On workstation via /etc/rc.sound

    modprobe $SMODULE_01
if [ "`grep sound /proc/devices`" ]
  /usr/X11R6/bin/nasd -aa

    In LTSP window (running on server) set by /et/profile.d/ltsp-esound.sh

    AUDIOSERVER=ws073.ltsp:0.0
LD_PRELOAD=/lib/libaudiooss.so.1.0
 
auinfo
auplay /usr/share/sndconfig/sample.au

    Unfortunately, there seem to be lots of applications that aren't nas-aware, or caught by libaudiooss.

    [ /linux | # ]