digital I/O's????

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just a good guesser
Member Since: Oct 04, 2004

if a mixer has 10 separate channels, and one set of digital outs, and the soundcard that i plug into has one set of digital ins, will i each channel separated or all mixed together once it enters my PC???

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Administrator
Since: Apr 03, 2002


Aug 09, 2005 09:00 am

Depends on the digital I/O. S/PDIF is generally a l/r type of input, so, two channel, if it's capable of 5.1 then you can ship 6 channels over it...if it's optical it will have any number of channels capable, depends on your device.

just a good guesser
Member
Since: Oct 04, 2004


Aug 09, 2005 09:02 am

soo... if i found a mixer that had, let's 24 channels and an optical out, and my esi juli@ has an optical in, i could get 24 separate channels through that one optical in??

Administrator
Since: Apr 03, 2002


Aug 09, 2005 09:03 am

no, as I recall the Juli@ is only 5.1, so it has 6 channels.

just a good guesser
Member
Since: Oct 04, 2004


Aug 09, 2005 09:11 am

crap... that's right, where was my head? well hypothetically, if i had a soundcard that accepted optical inputs... would that 24 separate channel input for multi-track recording be possible.. or do they not even make a card like that?

Administrator
Since: Apr 03, 2002


Aug 09, 2005 09:12 am

up your...oh, never mind ;-)

just a good guesser
Member
Since: Oct 04, 2004


Aug 09, 2005 09:14 am

i just edited my Aug 09, 2005 09:11 am response... i added a question to it...

Administrator
Since: Apr 03, 2002


Aug 09, 2005 09:16 am

again, it depends on the device. I am not sure how many channels optical inputs are capable of...the highest I have seen is I believe 12 channels for a 10.2 surround system...but not sure about that either.

Prince CZAR-ming
Member
Since: Apr 08, 2004


Aug 09, 2005 09:17 am

I've seen devices that let you add channels via lightpipe, though I can't remember any at the moment. Seems that'd be the direction you're looking.

just a good guesser
Member
Since: Oct 04, 2004


Aug 09, 2005 09:19 am

i was just curious about the whole optical aspect of recording, is it at all a popular way to record?

Administrator
Since: Apr 03, 2002


Aug 09, 2005 09:21 am

not that I am aware of, at least at project/home studio levels cuz, while many cards have optical outs, not many have optical ins.

It's a popular way to play back though...I do, when working in surround.

just a good guesser
Member
Since: Oct 04, 2004


Aug 09, 2005 09:26 am

cool, maybe the technology is still too young to make it readily available and stable enough to market it as a useful homerecording tool.

Hold 'Em Czar
Member
Since: Dec 30, 2004


Aug 09, 2005 11:41 am

ADAT optical in out carries 8 channels I/O on one cable...i've got three gooin' from my bord to the computer (rme card) for 24 channels I/O, using 6 cables.

is veddy good deal

just a good guesser
Member
Since: Oct 04, 2004


Aug 09, 2005 11:43 am

ADAT optical??? explain... please

Hold 'Em Czar
Member
Since: Dec 30, 2004


Aug 09, 2005 11:50 am

Alesis Digital Audio Tape (i think)....tascam has one similar called TDIF (Tascam Digital Interface)(i think)...TDIF uses a cable that looks similar to a printer cable and can handle many tracks. S/PDIF is Sony Phillips Digital Interface.

i'm using a Mackie Digital mixer that has adat lightpipe i/o...so we got a card that could handle 24 channels of adat ins..

www.mackie.com/products/d8b_v5/
www.rme-audio.com/english/hdsp/hdsp9652.htm


also there EBU and AES digital which i think is just L/R and uses XLR cables. i donno alot about this format though.

jimmie neutron
Member
Since: Feb 14, 2005


Aug 09, 2005 05:32 pm

RME & others uses a version, also. Now, I just had the name and it's gone! I keep wanting to say MOGU, but that ain't right. Must be all the Spinal Tap stuff floating around here! Wyd probably has it. It allows for multiple light pipes, instead of like mine with just the one each way...

The "T" in ADAT is "Technology", that way they weren't redundant when they said "ADAT tape"! It's a "standard" that allows for 8 channels at 48k, 20bit (?) on a light pipe. Some have taken the "standard" and taken the 8 down to 4 for 96k, 24bit (?).

It is way-cool to be able to transfer with it. Super clean. The port should be labeled whatever type it is.

Member
Since: Feb 13, 2007


Feb 13, 2007 04:38 am

M Audio Has lightPipe

Hold 'Em Czar
Member
Since: Dec 30, 2004


Feb 18, 2007 01:40 pm

MOTU is Mark Of The Unicorn

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