On my web site, I have have posted a PDF copy of the "Rethinking Entertainment Technology Education" article I wrote for the USITT journal TD&T. Go to...
Hi all, I am interested in learning general information about audio/video matrix switching. Does anyone have any ideas on where to start? Thanks, Bill...
The Extron catalog has an excellent introduction to matrix switchers, as well as great detail about their products. http://www.extron.com - request the catalog...
... Extron info is pretty useful also check out Autopatch www.autopatch.com who have some good technical design info Cheers James ...
James Weir
jamesweir192@...
Jan 2, 2003 11:36 pm
2908
I'm starting the firmware for our 4202 Basic MIDI unit (starting with the simple first) and was wondering if ALL_OFF should turn off the DMX output or set all...
... Good question. It's actually up to you, but I would think that ALL_OFF in this case should active set all channels to zero. Then RESTORE would set them...
For our basic MIDI unit, here's the commands I plan to support and what the box will do. Comments welcome. In the case of our box, a preset is defined as one...
... Perfect sense. I don't have a problem jamming a zero on the output, I'll just ignore the data and force a zero out. ... Jerry Durand Durand Interstellar,...
... If the cue # specifies the preset number then this makes sense. ... Or you could support the time value by having all channels perform a crossfade to the...
... Yes, it will. ... Crossfades are only on the enhanced unit. We charge extra for that. :) ... Yes, it will take the CUE as the preset number and just hold...
... Nope. It's pretty open ended but as long as the device ID is unique (which it SHOULD be in any well set up system) then there should be no confusion. But...
Anyway, it's a show control program that is called something like that.... Can someone who knows this program tell me how to get it to send MSC messages in ...
Apologies for forgetting the exact name and that it was in fact discussed on the list a while ago and is a product of Spear Morgan in San Francisco! Anyway,...
... I found the user manual on the web at: ftp://ftp.spearmorgan.com/downloads/Draft%20Fresco%20User%20Manual.pdf but there is no occurrence of the word midi...
Anyone have Bob Moses' current email? bob@... doesn't seem to work, and the address I had at Digital Harmony doesn't seem to work either. Thanks, John...
I concur with Charlie, don't implement 2PC commands. I don't know of anyone that has actually done this, and my own belief is that there are several problems...
On 1/4/03 9:23 PM, "Charlie Richmond" <charlier@...> ... Dammit Charlie, you caught me out of the country! We did have a conversation about...
Bruce Wheaton
bruce@...
Jan 6, 2003 4:52 pm
2925
I had mentioned considering using an off-the-shelf RTOS that came with my development software for the MIDI project (to learn how "normal" people do things)....
Check out ACTech. I don't know if they make DC units, but their AC units are great. Dan ... -- Dan Jamele MediaMation Inc. 2461 W. 205th St. #B-100 Torrance,...
Dan Jamele
danj@...
Jan 7, 2003 7:11 am
2927
How many do you need to drive? You can do up to 64 channels of this with our ShowFlow software, a DMX card, an analog in card and encoder input cards....
Dan Jamele
danj@...
Jan 7, 2003 7:16 am
2928
Beth, It just so happens that we're working with several customers on issues just like this. Advanced Motion Controls ( http://www.a-m-c.com/ ) have several...
... In the old days VRTX and the like used to have both tasks and interrupt handlers. The interrupt handlers ran when they got an (unmasked) interrupt. ...
Does anyone know of a site or have DMX code for a PIC(16F or 18F)? I am new to the PIC but have been using the Basic Stamp about a year now. What I'm looking...
... If you don't have it already, get a copy of the "DMX512/1990" spec. from USITT as well as the booklet "Recommended Practice for DMX512" available from...
Thanks for the reply. I have a printout of the USITT DMX spec and what you describe is what I want to do. Thanks. ... I ... take ... I ... the ... from ... ...
... I've decided to keep to the program flow that our current boxes use. Interrupts running the DMX output (every 50uS), time-of-day, and serial/USB/MIDI....
