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Converting signal from spdif onto CD


Duncan Alldridge

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Hello! I wonder if someone could help me. I'm converting a very old schoolboy recording on cassette tape onto a CD for my friend's wedding present this Saturday!

 

I've got it off cassette and onto DAT. I've now got it from DAT via spdif into Logic using channel inputs 11 and 12 and changing the settings in my Audio Midi set-up to spdif.

 

Now, I've got a signal - but I don't know how to 'record' it - or if i need to :?:. Pressing record won't record the signal - strangely. All I want to do now - is burn it onto a CD... and maybe treat it slightly..

 

I'm a relative newbie here, though not a total stranger - but I've yet to burn a project with Logic! Any help on where to go next really appreciated!

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Yes, you need to record it as a digital file on your computer (using Logic) so you can then burn it onto a CD (and maybe process it first if necessary).

 

All you should have to do is create an Audio Track, make sure it's stereo (little circle/double-circle icon) and set its input to Input 11-12, rec-arm that track and press record, then play on your DAT.

 

Not sure what audio interface you're using but it probably comes with a software allowing you to change settings: you want to make sure that the audio sync is set to external, or s/pdif (otherwise you'll hear clicks).

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Thanks for replying. It's a Motu Mk II 828. Yes I've already tried this, the track arms fine but no data is recorded when the DAT plays - I've got the audio track input set to 11 and 12 to get the signal from the DAT. The audio sync is external - there's no clicking.. what am I not doing? :?
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How do you determine the S/Pdif inputs are 11-12? Before you press record, you should be able by simply rec-arming the track to see the level of the incoming audio (from the dat) on the rec-armed channel strip if it is assigned to the correct inputs.

 

Try 13-14 instead.

 

On the MOTU interfaces, it's a good idea to go to Audio > Audio Configuration, choose View > I/O Labels and select the radio buttons for the MOTU driver labels, because their numbers don't necessarily correspond to Logic's default numbering.

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Interesting.. I get a much stronger signal on 13-14 - I've got a signal anyway and I can see the levels both on 11 and 12 and 13/14 - it's just that I'm still somehow not recording data when I hit record. The signal comes through loud and clear.. :?:

 

Audio Config- When you say Moto Driver labels do you mean Driver's I/O label? It doesn't seem to make any difference which box I check, CoreAudio or the above in 11/12 or 12/13- I still receive the signal but record no data. :oops:

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I mean select the driver label, yes. You should option click one of the input so all inputs are the MOTU driver label instead of Core Audio. That only changes the labels of your inputs so you can see the actual MOTU numbering of the inputs.

 

If you see a level on the channel strip in Logic, recording should ...record it.

 

What happens while recording, does it record a blank audio file (only silence) or does it not create a region at all?

 

Also, are you monitoring through Logic or the MOTU software? If you go to Audio > Audio Hardware and Drivers and uncheck "Software Monitoring", can you still hear your DAT?

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:D

 

Things are clearer in the morning - basically I don't think I had this sorted

Is the track an audio track (does it say track on the channel strip below the I/O section)?

 

no it didn't say 'track' but I had it routed to channel:input 11 and 12 - so got confused here somehow - but thank you for making me think David!

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