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Nutela



Joined: 12/10/09
Posts: 2
Loc: Prague, Czech Rep.
External sound card advice for MBP5,1 best latency
      #785215 - 06/11/09 12:29 PM

Looking to buy an affordable stereo i/o low latency external sound card. From reading various reviews and forums I conclude that firewire has the most latency and express card the lowest. I see eg. RME and Apogee make express card audio interfaces but they are very expensive! I use mostly software synths. No need for MIDI i/o which I have with the M-audio keystation pro 88.

I've noticed some weird behaviour with the internal sound card of the MBP with PianoTeq, while I can't use it with a 64 samples buffer, at 128 samples I get mostly clean sound with a click here and there, latency is good, I have to set it to 256 to be click free which is still useable (I believe GarageBand uses 256, and Logic does too). I was expecting more actually (coming from BeOS) but I'm quite new to Apple products.
Right now the TC electronic Konnekt 6 looks to be a good solution but unless I can use it with 128 samples or less (no extra safety buffers please) I won't buy it or any other FW interface. Thoughts?

MBP 5,1 specs: 2,4 Core2 Duo, 2 GB ram.


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Bob Moose



Joined: 17/01/08
Posts: 361
Re: External sound card advice for MBP5,1 best latency new [Re: Nutela]
      #785237 - 06/11/09 01:27 PM

Hello,

I have used the built-in sound card of my old PC at a latency of 64 samples, using the ASIO4ALL driver.

Apart from this, maybe you should try one of the M-Audio interfaces...

Cheers,
-j


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Nutela



Joined: 12/10/09
Posts: 2
Loc: Prague, Czech Rep.
Re: External sound card advice for MBP5,1 best latency new [Re: Bob Moose]
      #785293 - 06/11/09 04:14 PM

update: I have set the buffer to 64 samples in Logic Pro 8 and have choose Garageband's Grand Piano, set the sustain to 127 and played a whole lot of chords but not a single dropout. Conclusion: must be PianoTeq. I must say PTQ has around 30% CPU usage but still, needs improvement!
I'm wondering if it is PianoTeq, just now I tried 256 samples, playback of a recording I made with MIDI and changing the sustain pedal values, click galore! (terrible) Strange because when I play on my MIDI keyboard I have no clicking when the buffer is set to 256 samples. Even on 128 it is better. Must be a bug somewhere, I believe it is PianoTeq, I'll try what Logic does.

Edited by Nutela (06/11/09 04:31 PM)


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