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Thanks for the input Daniel, I'll try this as soon as I reinstall my OS (messed up partitions :P)
On Nov 1, 2011, at 5:04 AM, Daniel James wrote:
> Hi Rafael,

quoted text
>

>> My laptop is a MacBookPro8,1 with i7 processor, 8GB ram, built-in intel

>> HDA soundcard

>

> For Intel HDA a tweak is often required to get good performance. See:

>

> http://apps.linuxaudio.org/wiki/intel_hda_realtime_howto

>

> Ignore the kernel recompile part, but note the issue with mixer capture

> switches if using jackd in full duplex mode.

>

>> Codec: Cirrus Logic CS4206

>

> Try adding these options at the end of /etc/modprobe.d/alsa-base.conf

>

> options snd-hda-intel model=mbp55 position_fix=1 enable=1 index=0

>

> The mbp55 value for CS4206 is found near the end of:

>

> http://www.kernel.org/doc/Documentation/sound/alsa/HD-Audio-Models.txt

>

> Then reboot and see if JACK performance improves. You should be able to

> get 64 frames/period x 3 periods/buffer @ 48KHz on this hardware.

>

> Cheers!

>

> Daniel

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