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Matrox TH2G with Edirol V4.. is it possible?

Posted: Sat Nov 24, 2007 2:08 pm
by Lando
hi tehere....

we are a duo vj group who uses 2 macbookpro and edirol V4.
we are trying to take it to the next level by trying using 2 projector to get the widescreen output. is it possible to connect the matrox with edirol? please can some some me how this done.. thanx

-lando

Posted: Sat Nov 24, 2007 3:03 pm
by Lupin
unfortunatly i think what you are trying to do is impossible, the V4 has only one video output view maybe with 3 V4 using a midi sync could be possible but you'll also have to use VGA boxes to transform vga signals from the TH2GO to V4 video mixers.
a cheaper solution is to iuse a vga matrix to switch from a computer to another and keep on working widescreen comps with a matrox TH2GO

Posted: Sat Nov 24, 2007 4:11 pm
by Lando
Image

i have this crazy setup in my mind.. just wondering if this worrks.. :)

it uses 6 DVI-VIDEO converter.... :)

any suggestion if this might work?

we want to able to switch 2 computer with widescreen output from each computer...

thanx.

Posted: Sat Nov 24, 2007 4:18 pm
by Lupin
hum a V4 can only outpu a 4:3 ratio video
the TH2GO works has an external graphic card it needs to communicate with the comptuer do create a 8:1 display.
what you are trying to do (with this scheme) is impossible

Posted: Sat Nov 24, 2007 4:30 pm
by Lando
oh ok. :(

thanx for the answer...

Posted: Tue Nov 27, 2007 3:38 am
by technomorph
I have done this with a Dual Head....
But you need to add a few more things!!!!!!!!!!!!!!!!

You need a V4 for each output.

I had to get another V4 for the 2nd output of the dual head.
Along with getting VGA ->S-Video convertors (two of them)

The signal then ends up as S-Video on one V4 -> projector 1
And S-Video#2 on 2nd V4 -> projector 2

it was easy to set up in modul8.
bit of more of a pain to buy all the gear.

But looks great.

It allowed me to mix in 2 x DVJ-X1 over top of the 8/3 output I was creating
from modul8.

Technomorph
Vancouver, Canada

Posted: Tue Nov 27, 2007 9:13 pm
by Lupin
could you put a pic of your installation here or send us a link to a photo gallery ?

Posted: Tue Nov 27, 2007 9:19 pm
by Lupin
you bought 4 V4 ?damn!! it's a pin in the ass. hehe there's now acheaper solution to mix one 4:3 video onto a 8:1 video: a Vixid VJx16-4. this video mixer has 4x4 inputs and 3 outputs and has many blend modes and a audio sound analyzer and many other stuff . it costs 2500 (VAT not included). http://www.vixid.com/index.php?lang=en
i've go one and i think it's worth it with Modul8. i'm looking forward a next version with dvi/input/outputs hehe

Posted: Tue Nov 27, 2007 9:46 pm
by Jaime / www.starloops.net
I'm sorry but you cannot use a DVI to S-video adaptator like a scan converter...
DVI : digital video interface
S-video : analogique Y/C video PAL or NTSC
Composite : analogique video PAL or NTSC

There is 2 DVI connectors DVI-I and DVI-D

DVI-I (interlaced) this can tranport both signal digital and analogique
DVI-D this can transport only digital signal

THe best way for me is:

Connect your V4 to a video card or firewire convert plug on your mac with M8 and use the tri head with M8. It works well !

Jaime

Posted: Tue Nov 27, 2007 11:17 pm
by sigmasix
don't you have a huge delay because of the video card? I tried live capture with a cheap video card today and I had between 1 and 3 seonds of delay....
But your solution looks good, too bad it's still analog quality...

Posted: Sun Dec 02, 2007 12:49 am
by Valparaiiso
Just one thing : dvi-i signal transports dvi-d, vga, s-video and composite signals. So you can use an adaptor to choose only one of the four output signals, on a MacBook Pro for example. As input, dvi-i connector accepts all these signals, while dvi-d connector accepts only dvi-d ("digital") signal, on a beamer for example.
dvi-i means "digital visual interface - integrated".

And I sign : Professor IKnowOneThing.

Posted: Mon Dec 03, 2007 11:39 pm
by technomorph
Jaime / www.starloops.net wrote:I'm sorry but you cannot use a DVI to S-video adaptator like a scan converter...
DVI : digital video interface
S-video : analogique Y/C video PAL or NTSC
Composite : analogique video PAL or NTSC

There is 2 DVI connectors DVI-I and DVI-D

DVI-I (interlaced) this can tranport both signal digital and analogique
DVI-D this can transport only digital signal

THe best way for me is:

Connect your V4 to a video card or firewire convert plug on your mac with M8 and use the tri head with M8. It works well !

Jaime




On a MacBook Pro you can buy a DVI->VGA adapater (or it might even come with it)....
then you can get a VGA->S-Video convertor....

so it is possible.
You might be talking about the card on the towers.
Which I remember running into this where the DVI->VGA adapter would
only work on one of the ports.

technomorph

Posted: Mon Dec 03, 2007 11:39 pm
by technomorph
Lupin wrote:could you put a pic of your installation here or send us a link to a photo gallery ?


will try when I get a chance.

technomorph

Posted: Mon Dec 03, 2007 11:46 pm
by sonicslice
technomorph wrote:On a MacBook Pro you can buy a DVI->VGA adapater (or it might even come with it)....
then you can get a VGA->S-Video convertor....


Why buy two converters when you can get a DVI - Svid/Composite converter?

Posted: Mon Dec 03, 2007 11:53 pm
by technomorph
sonicslice wrote:
technomorph wrote:On a MacBook Pro you can buy a DVI->VGA adapater (or it might even come with it)....
then you can get a VGA->S-Video convertor....


Why buy two converters when you can get a DVI - Svid/Composite converter?




Well the main reason for this is the BOX that goes inbetween it all.....
(See the above descriptions)

In order to get DUAL or TRIPLE screen outputs on a MacBook pro.
You need to use the Matrox Dual (or Triple Head) convertor box.
And it is only a VGA input on it.

So I have to go:

MacBook DVI->VGA output

VGA output -> Matrox Dual Head Box

Matrox Dual Head Box VGA1 -> VGA/S-Video convertor box#1
VGA2 -> VGA/S-Video covertor box#2

VGA/S-Video convertor box#1-> V4 #1
VGA/S-Video convertor box#2-> V4#2

V4#1 -> Projector#1
V4#2 -> Projector#2

while it is possible to go VGA from the Matrox box direct to the
projectors......I want to add even more layers with the V4 by
adding to DVJ-X1's signal with Modul8. So that's why the multibox
setup.....I'd love to do it some other easier way.....but it doesn't exist.
Unless someone can point me in other methods.

technomorph