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NAME

       dvsource-alsa - audio source for DVswitch

SYNOPSIS

       dvsource-alsa [OPTIONS] [-s ntsc|pal] [-r 48000|32000|44100] [DEVICE]

DESCRIPTION

       dvsource-alsa  uses  ALSA  to  capture  audio  and sends it to DVswitch
       together with a dummy video stream.

       The optional DEVICE argument  is  a  PCM  device  name.  See  the  ALSA
       documentation
       〈http://www.alsa-project.org/alsa-doc/alsa-lib/pcm.html#pcm_dev_names〉
       for an explanation of these names.

OPTIONS

       -h, --host=HOST

       -p, --port=PORT
              Specify the network address on which DVswitch is listening.  The
              host address may be specified by name or  as  an  IPv4  or  IPv6
              literal.

       -s, --system=ntsc|pal
              Specify  the  video  system  to use.  This must match the system
              used by DVswitch.  The default is "pal".

       -d, --rate=48000|32000|44100
              Specify the sample rate, in Hz.  The default is 48000.

       -d, --delay=DELAY
              Specify the time by which audio should be delayed,  in  seconds.
              The  delays  in  live audio and video sources need to be closely
              matched in order that  the  audio  and  video  signals  will  be
              synchronised in the output of DVswitch.  The default is 0.2.

AUTHOR

       Ben Hutchings <ben@decadent.org.uk>.

SEE ALSO

       http://www.alsa-project.org/alsa-doc/alsa-lib/pcm.html,
       /usr/share/doc/dvswitch/README

                                 11 March 2009              DVSOURCE-DVGRAB(1)