[LAU] Slightly OT: Live gig with Linux AV

Mark Knecht markknecht at gmail.com
Tue Mar 23 12:33:04 EDT 2010

Good luck and have fun!

- Mark

On Tue, Mar 23, 2010 at 7:51 AM, Patrick Shirkey
<pshirkey at boosthardware.com> wrote:
> Hi,
> I am running an event in Sydney this Fri 26. It's my first real Linux
> Audio gig for almost 6 years so it's well overdue. this is going to be a
> purely DJ set but I am going to do as much as possible with Linux tools
> just for the fun of it. I figure I might as well push my self and the
> tools rather than play it safe with standard equipment.
> Details here: http://djcj.org/events
> I thought some of you might be interested in the tools (weapons) I have
> chosen for this one.
> jack2
> qjackctl+alsa_out
> jackEQ
> jack-rack
> alsaplayer x 2
> Hydrogen
> LiVes
> vlc
> xjadeo
> mplayer
> I am running it all on my Compaq Presario cq40 dual core AMD Turion, 4GB
> RAM with onboard ATI /radeon graphics and hda_intel audio. Dual Monitor
> setup running closed source ATI drivers for opengl hardware acceleration
> and Gnome desktop on Fedora 11. I'm also currently upgrading to f12 a
> second Toshiba notebook. Single core Intel Celeron, 2GB RAM, nVidia
> quadro graphics which I might take along too for additional graphics and
> to take some load off the primary machine if I can get it all upgraded
> and running smoothly in time. In that case I will run the audio tools on
> the main machine and LiVes on the other.
> For master audio output I will be using my maudio USB Quattro with
> jackEQ as always. I will be running the quattro into the house pioneer
> dj mixer for additional control and fx and will have 2 cdj's for
> additional sampling mayhem and backup in case anything goes wrong with
> the primary machine...
> I also have an external vga->composite adapter box to allow me to
> connect to the inhouse projector.
> Unfortunately with all that running I don't think the disks will be able
> to cope with recording the session. With LiVes in the mix I'm looking at
> a stable 80 - 90% CPU load. Currently the memory is stable at 65%.  If I
> get the second machine up I will look at piping the house mix back into
> the system and record the whole thing on the second device for the
> quattro. alsa_in to the rescue there too.
> Cheers.
> --
> The power to regulate the money supply is also the power to regulate it's value.
> Maximise profits regardless of social and environmental costs
> Patrick Shirkey
> Boost Hardware Ltd
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