case study: CLANkidz 2011

Back blogging after around a year break with a case study about how we did the visuals at CLANkidz this year.  The break was partly because of getting married and having little time do any VJing and certainly very little innovation.  However CLANkidz is a regular commitment and some changes we made this year worked so well that it is worth recording.

The Event:

  • CLANkidz is part of CLAN Gathering, New Wine Scotland’s one week conference in St Andrews.
  • it is for all P1 to P7 children (around 5 to 12 year old I think)
  • we have two sessions each day 9.30am – 1pm  and 6.30pm – 8.15pm
  • this year we had around 330 to 340 children for each session

The Venue:  over the past six years we have had CLANkidz in marques, and college assembly halls.  Each time our space requirement is for a main venue for when all the age groups are together and break out areas for each age group.  The solution this year worked very well by using a ‘big top’ with age group divisions inside the main space.

Technical Setup (non-visuals):  I am only interested here in visuals, so I don’t have much details of lighting or sound.  All PA and front of house video was supplied by SFL and Steve from SFL mixed the sound desk for us all week.  We gave him a single stereo feed from ‘video land’ which was more or less always live.  I’m not sure who the lighting suppliers were, but as lighting is visual we took control of that rather than leaving it on pre-sets.

One more little word about the team on site from SFL – the production values, attention to detail and flexibility was great and they really did give us a fantastic service and were good to work with.

How we wanted to use visuals:  at this event there are several ways we use visuals and I’m not sure any one is more important than any other…

  • build atmosphere: we want the children to enter into and enjoy a vibrant exciting venue, unlike any church they have ever been to.   Especially as they arrive we are playing current music videos, games, as the week goes on we build in some ‘in-jokes’ using photos or video from the week so far to build it into their space.
  • calm atmosphere: similarly we can play calming music and video if needed to calm the kids down or simply turn off the visual stimuli when we want them to focus on someone or something going on in the program.
  • show video clips: for teaching or point making, we use pre-prepared clips from online sources or movies if requested by the speaker.
  • show song words: another obvious need for video is to display the song words during worship, but we also try to mix visuals with the song words not just display words.
  • visual worship: by this I mean the spontaneous mixing of visuals to match the atmosphere of worship or teaching that is going on.
  • video stings and titles: several sections of the program that we had prepared title videos to introduce presenters, make a point or simply to give shape to the program, thus making a difference between what just happened in front of the children and what was on the screens.
  • background: if nothing else was demanded we put animated logos, computer generated graphics or time lapse videos on the screens as a simple backdrop and played background music as and when required.

How we made it happen:  The front of house set up was two 10′ x 8′ screens (I think) suspended from a truss at the back of the stage with a projector for each screen, and three pairs of 26″ flat screen monitors along the front of the stage.  The monitors are needed because the P1 and P2 kids are so small and can’t see the big screens so rely on these monitors to be able to see what is going on.  The left hand screen and the left of each pair of monitors get the same signal and the right had screen and right hand monitor get the other feed so that each pair is make up a single widescreen image.

This photo taken during the setup shows our test image spread across the two screens and front monitors.

All of the video is driven by one mac book pro running Arkaos GrandVJ software to mix the visuals, the signals are then amplified and distributed as required to the screens.  So at the desk end:

  1. Windows laptop running Easy Worship to generate song words and any powerpoint presentations required.
  2. Mac Book Pro running iTunes for background music, sound effects and stings
  3. Small sound desk to mix between iTunes and video sound then send a single output to the PA desk
  4. printed running orders, essential, essential, essential
  5. Epiphan VGA2USB frame grabber, to take the Easy Worship signal into GrandVJ
  6. Maxtor Dual Head2Go, to split the output signal into left and right screen
  7. Mac Book Pro, running Arkaos GrandVJ
  8. Behringer BCF2000 Control Surface to control the 8 layers of video in GrandVJ
  9. Epiphan VGA2USB frame grabber, to take live camera signal into Grand VJ
  10. Coffee and Gaffa Tape, essential

So the signal path for this is fairly self explanatory in that the mac running GrandVJ generates the signal appearing on the screens and everything else either controls GrandVJ or creates an input to it.  GrandVJ itself can play either of the inputs (live camera or Easy Worship) or any video on its own hard drive as well as various text and visual generators within the software.  In addition to the many bespoke videos created for this event we have a library of several hundred videos that can be used as backgrounds or to make specific points.  The ‘artistic’ bit is knowing what we have available and when to play it during worship, meditation, silly games or warmup sessions when nothing specific is called for in the running order.


Just for fun let’s try to price this equipment up:

  1. Windows laptop running Easy Worship :  assuming this can be borrowed for free
  2. Mac Book Pro running iTunes : again assuming this can be borrowed for free
  3. Small sound desk : £100
  4. printed running orders : printer borrowed for free, total cost of printing around £20
  5. Epiphan VGA2USB frame grabber : £185
  6. Maxtor Dual Head2Go£156
  7. Mac Book Pro, running Arkaos GrandVJ : £244 for the software, the mac needs to be top spec in order to run this graphics hungry software and the one we use is a two year old top of the range costing £2000 at time of purchase.
  8. Behringer BCF2000 Control Surface : £140
  9. Epiphan VGA2USB frame grabber, : £185
  10. Coffee : priceless!!

The problem with counting up prices like this is that it is only the hardware that it is easy to put value on, there is no way of adding up the amount of video and audio material purchased, created or stumbled upon over the years, or the cost of depreciation of the machines running all this or man hours involved in putting it all together.

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About grayza

This page is for me to keep links, photos, reminders, etc... I have no idea why anyone else would be interested in looking at it...
This entry was posted in case study, children's work, Christian Worship, GrandVJ, hints and tips, how-to, performance visualist, Uncategorized, Visuals in Worship. Bookmark the permalink.

One Response to case study: CLANkidz 2011

  1. Don J says:

    Fantastic helpful post. What resolution are you outputting to your projectors? Do you notice any lag using the vga2usb going into GrandVj?

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