Getting multiple channels in the computer with MADI

gatekeeper · 3rd January 2007, 08:49 PM

Hey, granted I have 2 hd24, and I wanted ultimate redundancy, would sending the adat out's to a adi-648 going into madi cards be a good idea? Converters prior to the hd24 would ad16x so pretty much ad16x->hd24->adi648->hdsp madi->Nuendo
This way I would maintain the conversion quality of the ad16x throughout the entire system right?
any thoughts?

-cliff

Roland · 4th January 2007, 02:15 AM

Quote:

Originally Posted by gatekeeper

Hey, granted I have 2 hd24, and I wanted ultimate redundancy, would sending the adat out's to a adi-648 going into madi cards be a good idea? Converters prior to the hd24 would ad16x so pretty much ad16x->hd24->adi648->hdsp madi->Nuendo
This way I would maintain the conversion quality of the ad16x throughout the entire system right?
any thoughts?

-cliff

Go for it!

I've been madi here for a few years and love it, glad too see that several otehr players in the industry are starting to take it on-board.

Regards

Roland

Shelton · 4th January 2007, 07:27 PM

Cliff,

If I read your post right, it sounds like you want to take the signal out of the HD24 and run that to the MADI converter into the computer right?

Well the problem with this is that it isn't really a backup.

If you have a problem with the HD24, you will not have signal passed through the ADAT outputs and nothing will get to the MADI converter.

In order to be considered a backup, the back up system must be able to operate independently of the main recorder.

If you were to use a MADI converter with AES inputs you could take the LightPipe signal from the Apogee's and run that to the HD24's, and take the AES signal to the MADI converter...

This would give you two independent signal paths to your recorders. If your HD24 were to hiccup, the AES stream going to the MADI converter would still funtion fine and would then be able to continue recording...

Make sense?

Shelton

gatekeeper · 5th January 2007, 05:26 AM

great thinking wish I thought of that a little earlier, only problem is that I already have the madi/adat converter! Another option that came to mind, never heard of it but maybe an adat splitter? or rather duplicator?

Sam Lord · 5th January 2007, 05:42 AM

Quote:

Originally Posted by gatekeeper

great thinking wish I thought of that a little earlier, only problem is that I already have the madi/adat converter! Another option that came to mind, never heard of it but maybe an adat splitter? or rather duplicator?

Well, since your ADI-648 has both MADI and ADAT outs, you still have a bypass for your HD24s: AD16 to ADI-648 to *both* HD24 and DAW. So all now depends on your ADI648, but it's very unlikely to break...and if you're at 8 channels you have still more routes.

gatekeeper · 5th January 2007, 10:36 AM

but even with the ad16x's granted I had split at the converter stage, I still would be sort of not backed up, granted to make it a full backup I would think I would need a completely seprate setup, other pre's converters and such, and by the looks of it, seems like the hd24 has a high failure rate?

Steve Smith · 5th January 2007, 04:21 PM

Quote:

Originally Posted by gatekeeper

............ granted to make it a full backup I would think I would need a completely seprate setup, other pre's converters and such...........

Well, you have to trust something.

tnjazz · 5th January 2007, 05:04 PM

Quote:

Originally Posted by Steve Smith

Well, you have to trust something.

Trust no-one.

Biber · 5th January 2007, 06:54 PM

Quote:

Well, you have to trust something.

and

Quote:

Originally Posted by tnjazz

Trust no-one.

Well i think its that easy:
the more money you can spent, the less you can trust...

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3rd January 2007, 08:49 PM	#1
gatekeeper Gear Head Join Date: Mar 2006 Posts: 67	Getting multiple channels in the computer with MADI Hey, granted I have 2 hd24, and I wanted ultimate redundancy, would sending the adat out's to a adi-648 going into madi cards be a good idea? Converters prior to the hd24 would ad16x so pretty much ad16x->hd24->adi648->hdsp madi->Nuendo This way I would maintain the conversion quality of the ad16x throughout the entire system right? any thoughts? -cliff

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4th January 2007, 07:27 PM	#3
Shelton Gear Head Join Date: Feb 2003 Location: The OC Posts: 67	Cliff, If I read your post right, it sounds like you want to take the signal out of the HD24 and run that to the MADI converter into the computer right? Well the problem with this is that it isn't really a backup. If you have a problem with the HD24, you will not have signal passed through the ADAT outputs and nothing will get to the MADI converter. In order to be considered a backup, the back up system must be able to operate independently of the main recorder. If you were to use a MADI converter with AES inputs you could take the LightPipe signal from the Apogee's and run that to the HD24's, and take the AES signal to the MADI converter... This would give you two independent signal paths to your recorders. If your HD24 were to hiccup, the AES stream going to the MADI converter would still funtion fine and would then be able to continue recording... Make sense? Shelton

5th January 2007, 05:26 AM	#4
gatekeeper Gear Head Join Date: Mar 2006 Posts: 67	great thinking wish I thought of that a little earlier, only problem is that I already have the madi/adat converter! Another option that came to mind, never heard of it but maybe an adat splitter? or rather duplicator?

5th January 2007, 10:36 AM	#6
gatekeeper Gear Head Join Date: Mar 2006 Posts: 67	but even with the ad16x's granted I had split at the converter stage, I still would be sort of not backed up, granted to make it a full backup I would think I would need a completely seprate setup, other pre's converters and such, and by the looks of it, seems like the hd24 has a high failure rate?