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Lost Asio Buffer With My Rme Fireface 800


fafalio
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dear frieds, i ve got demo of samplitude.

i love it, i do classical recording and it is perfect.

but i have a big problem.

with the two of my notebook, they are 2 giga of RAM and core duo the make clicks for example when i move a windows or for example when i go to move a knob in variverb (every click i see an LOST ASIO BUFFER error.

what can i do? it is a problem of samplitude or RME fireface?

thanks a lot.

please help me because without solving it i can t buy samplitude.

;)

Alessandro.

thanks!

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From what I've read, some notebooks have a problem of shared IRQs between the firewire device and some other critical device - perhaps the video or USB system. Ideally the firewire should have its own IRQ. On some notebooks this can't be changed, which is bad news.

I'm actually dealing with a similar problem on my destop machine, and I've already set up the firewire on its own IRQ, so there are apparently other causes of this problem as well.

Your next step might be to try other prgrams to see if the problem is specific to Samplitude. In my case, the problem seems to be much more pronounced in Samplitude -- just grabbing the curve in the EQ window kills the audio.

There's also a patch one must apply to Win XP to speed up the firewire transfer rate, if you're using that OS...

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thanks a lot.

could you say to me where i can find the patch to speed up firewire?

it is very strange because i use an HP business with texas instruments chispet, so with fireface all should be ok...

Information about the patch is at the RME forum: http://www.rme-audio.de/forum/viewtopic.php?id=4123

BUT, if you are using your FF800 at the lower speed, as I am because my HP laptop only runs at the Firewire 400 speed, you dont need the patch, as it is only for making Windows XP SP3 work at the Firewire 800 speed.

The usual problem that causes the effect you describe when you move windows around is the audio devices connected to your FF800. This is a grounding fault. Try to see if you still get these lost buffers if no inputs are connected to your FF800. (Turn up all the volumes and record noise!)

You can contact Tom Sailor, through this forum (Orange Hill Audio). He has extensive experience with RME and Samplitude and he may be able to help you.

David

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thanks a lot.

could you say to me where i can find the patch to speed up firewire?

it is very strange because i use an HP business with texas instruments chispet, so with fireface all should be ok...

Information about the patch is at the RME forum: http://www.rme-audio.de/forum/viewtopic.php?id=4123

BUT, if you are using your FF800 at the lower speed, as I am because my HP laptop only runs at the Firewire 400 speed, you dont need the patch, as it is only for making Windows XP SP3 work at the Firewire 800 speed.

The usual problem that causes the effect you describe when you move windows around is the audio devices connected to your FF800. This is a grounding fault. Try to see if you still get these lost buffers if no inputs are connected to your FF800. (Turn up all the volumes and record noise!)

You can contact Tom Sailor, through this forum (Orange Hill Audio). He has extensive experience with RME and Samplitude and he may be able to help you.

David

thanks david, no i have these problems also with only headphones connected to fireface.

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thanks david, no i have these problems also with only headphones connected to fireface.

How about when you are running your laptop from its internal batteries, with only the FF800 connected to the wall power?

Do you run dpclat.exe to check that your laptop is able to record without lost buffers?

http://www.thesycon.de/deu/latency_check.shtml

David

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thanks david, no i have these problems also with only headphones connected to fireface.

How about when you are running your laptop from its internal batteries, with only the FF800 connected to the wall power?

Do you run dpclat.exe to check that your laptop is able to record without lost buffers?

http://www.thesycon.de/deu/latency_check.shtml

David

yes, dpclat is ok.

i will try with another software to see if the problem is from samplitude.

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thanks david, no i have these problems also with only headphones connected to fireface.

How about when you are running your laptop from its internal batteries, with only the FF800 connected to the wall power?

Do you run dpclat.exe to check that your laptop is able to record without lost buffers?

http://www.thesycon.de/deu/latency_check.shtml

David

yes, dpclat is ok.

i will try with another software to see if the problem is from samplitude.

Hi,

Here's something to check-open the Fireface settings control panel when you get the lost asio buffers in Sam.If you see errors reported in the Fireface settings,then there is a firewire throughput problem that may be causing the lost asio buffers.

Try a different firewire cable,and also try reducing the number of channels in use with the "limit bandwidth" option in Fireface settings.

Regards,

George

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