Optical I/O

Jan 11, 2008 at 4:04pm

Optical I/O

I have a G5 with optical I/O and a MOTU with the same(?) connected to a
MacBook Pro. Connecting the output of the G5 to a surround receiver lets me
play DVDs with 5.1 so multiple channels are being transmitted.

I have connected these ports between the G5 and MOTU but nothing seems to be
transmitted either direction. The optical ports appear in Sound under
System Preferences on the G5 but not in Audio MIDI Setup.

So here’s what I hope to do…I want to share the MOTU between the MacBook
connected with firewire and the G5 connected via optical and (perhaps)
pretending to be an ADAT. The idea is to share audio processing between the
two computers.

I have been able to get data between two 828′s via optical but not computer
< -> 828. Any wisdom?

Cheers
Gary Lee Nelson
Oberlin College
http://www.timara.oberlin.edu/GaryLeeNelson

#35321
Jan 11, 2008 at 4:53pm

On 11 janv. 08, at 17:04, Gary Lee Nelson wrote:

> I have a G5 with optical I/O and a MOTU with the same(?) connected
> to a
> MacBook Pro. Connecting the output of the G5 to a surround receiver
> lets me
> play DVDs with 5.1 so multiple channels are being transmitted.
>
> I have connected these ports between the G5 and MOTU but nothing
> seems to be
> transmitted either direction. The optical ports appear in Sound under
> System Preferences on the G5 but not in Audio MIDI Setup.

The optical format used by the Mac otput is not ADAT, but I guess DTS.
So the connectors are the same, but not what is transmitted thru the
lightpipe.

> _____________________________

Patrick Delges

Centre de Recherches et de Formation Musicales de Wallonie asbl

http://www.crfmw.be/max

#120271
Jan 13, 2008 at 3:15pm

i’m using this powerbook’s optical line out to drive a small portable reference d>a converter… spdif format works for this mac’s toslink i/o, but afaik it’s limited to 2 channels. i’m pretty sure you can link two mac’s via toslink with 2 channels of i/o.

would be nice if apple went the extra few feet and include adat support since toslink interfaces are already present.

#120272
Jan 13, 2008 at 4:50pm

On 1/13/08 10:15 AM, “Anthony Bisset” wrote:

>
> i’m using this powerbook’s optical line out to drive a small portable
> reference d>a converter… spdif format works for this mac’s toslink i/o, but
> afaik it’s limited to 2 channels. i’m pretty sure you can link two mac’s via
> toslink with 2 channels of i/o.

I’m greedy. I want 8 channels.

> would be nice if apple went the extra few feet and include adat support since
> toslink interfaces are already present.

Amen!

Cheers
Gary Lee Nelson
Oberlin College
http://www.timara.oberlin.edu/GaryLeeNelson

#120273

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