Presonus Digimax Lt Latency

sugardilly · Post by **sugardilly** » Sun Jan 27, 2008 10:06 am

I hope I"m posting this in the right group.

I just purchased a Presonus Digimax LT to add to my system.

My system includes Digital Performer 5.13 with the MOTU 896HD.

I connected the Digimax to the 896HD via ADAT Lightpipe and I love the sound. However, I'm experience a degree of latency that is annoying.

The Audio coming thru the Digimax is ahead of the MIDI Click coming through the 896HD .

Has anyone else experienced this problem. Please help.

thesoundstruggle · Post by **thesoundstruggle** » Sun Jan 27, 2008 10:56 am

I have a Presonus FIRESTUDIO, and have had a bunch of latency issues in the past. I can't remember what I did to change/get around it. If I remember right it was something I changed in the control console. Is that what you use to control your presonus interface or does it get controlled through the 896's cuemix?

sugardilly · Post by **sugardilly** » Sun Jan 27, 2008 10:59 am

Thanks for your quick response.

I think it's being controlled by Cuemix because I only plugged it up to the 896HD with the lightpipe and connected my Keyboard Module to it.

I don't know of any other way to control the Digimax LT.

This is what I'm hoping to find out.

Hope you can help.

thesoundstruggle · Post by **thesoundstruggle** » Sun Jan 27, 2008 11:05 am

Did your digimax come with CD's? Look for one that will most likely say Digimax control console. That might be what you need to control it.

Here is a better place to search for an answer on presonus gear:

http://forums.presonus.com/search.php

The presonus site has some useful stuff, but this is the place I usually turn to.

sugardilly · Post by **sugardilly** » Sun Jan 27, 2008 11:08 am

Thanks once again.

I'm looking in the box now and I do not see a CD.

I will have to search for it. If there is one I wonder how would you get the info to the LT seeing that the only connection is via Lightpipe out. There is no firewire or USB connection.

HMMM.

Thanks again.

thesoundstruggle · Post by **thesoundstruggle** » Sun Jan 27, 2008 11:28 am

yea I'm still a newbie at this. I don't know if it can be controlled via lightpipe. Seems like there should be a way to set the hardware settings though. maybe with the word clock? Again i'm still a newbie.

HCMarkus · Post by **HCMarkus** » Sun Jan 27, 2008 11:58 am

I am almost positive the DigiMax is not the issue here, because you are using it simply as an A to D (Mic Input to ADAT) converter.

Unless you have a word clock cable running from your MOTU clock out to the PreSonus clock in, you will need to use the PreSonus as your clock source. Set this in DP. Your 896 will need to slave to the ADAT clock from the DigiMax.

You can verify that your 896 audio is aligned with the DigiMax by recording a single sound simultaneously thru both interfaces. Split a mic or line level signal and send to each device and record the out put to two separate tracks in DP. Invert phase on one track and combine. I expect you will find the audio is perfectly, or almost, in time.

If you've got the clocking right, I suspect you need to align MIDI and Audio in DP. See: "FINE TUNING AUDIO I/ TIMING?" from page 24 of DP5 Getting Started booklet

pcm · Post by **pcm** » Sun Jan 27, 2008 6:44 pm

I can verify that the Digimax is NOT the issue. Now if you had a Firestudio, and was using IT'S firewire as your interface, but NOT using their Control Panel (but using Cuemix instead), you would have latency galore. But you are only using it as a mic preamp, and that will work fine the way you are using it. Your problem is somewhere within Cuemix, likely.

sugardilly · Post by **sugardilly** » Sun Jan 27, 2008 6:48 pm

I guess you're right and it's logical.

I just don't know where to look in CueMix.

Will have another look but will appreciate if anyone can advise how to directly deal with this problem.

sugardilly · Post by **sugardilly** » Wed Jan 30, 2008 4:30 am

Still can't figure it out.

I've tried everything I think in CueMix. Am I missing something.

Even when I play the Audio and MIDI Click in DP 5.13, they are out of sync.

The Click is coming from my keyboard module which is plugged into the Presonus LT and which is connected to the 896HD via ADAT lightpipe.

So the information coming thru the Presonus is delayed.

How do I adjust this? I really like the mic pres in the LT and the sound of it but the latency is very frustrating and it's causing me grief, time, and money.

Help please!!!!!

aletheian-alex · Post by **aletheian-alex** » Wed Jan 30, 2008 10:51 am

HCMarkus wrote:I am almost positive the DigiMax is not the issue here, because you are using it simply as an A to D (Mic Input to ADAT) converter.

Unless you have a word clock cable running from your MOTU clock out to the PreSonus clock in, you will need to use the PreSonus as your clock source. Set this in DP. Your 896 will need to slave to the ADAT clock from the DigiMax...

Yes. I had the same setup for a while and that is how I had to run it: slaved from the DIGI as the clock source via ADAT. The wordclock never locked in like ADAT did. Also be careful when starting everything up and opening a file-- my DIGI defaulted to 48kHz on reboot, and once I actually recorded with that rate in a 44.1kHz file and the results were... interesting...

Also, sometimes it is as simple as opening Apple audioMIDI set up, changing "properties for" to the built in input and then putting it back to the previous setting. Don't know why that works, but sometimes it does.

Also make sure that you have the buttons set up right on the front of the DIGI. Make sure that the EXT CLOCK button is not on, set the appropriate sample rate on the digi and in DP, and set the proper clock setup in DP.

ROCKID · Post by **ROCKID** » Thu Jan 31, 2008 8:27 am

sugardilly wrote:I hope I"m posting this in the right group.

I just purchased a Presonus Digimax LT to add to my system.

My system includes Digital Performer 5.13 with the MOTU 896HD.

I connected the Digimax to the 896HD via ADAT Lightpipe and I love the sound. However, I'm experience a degree of latency that is annoying.

The Audio coming thru the Digimax is ahead of the MIDI Click coming through the 896HD .

Has anyone else experienced this problem. Please help.

How many of your latency?
I have three Digimax LT and use 2408,also via ADAT...
but,I don't have any problem like your situation...
can you tell me more?

rockid

sugardilly · Post by **sugardilly** » Thu Jan 31, 2008 8:32 am

Hi Rockid

The latency is approximately an 1/8 note delayed.

I used to have a 2409 but I changed it for the 896 HD.
I did'nt like the stock mic pres on the 896 and so I purchased the Digimax LT which i like very much.

As mentioned earlier, the Digimax is connected to the 896 via ADAT lightpipe.

I really would like to get this sorted out but can't seem to figure it out.

MOTUnation.com

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