Guys, it seems like some major Mavericks buffer and latency problems. Some power managment futures, some buffer management futures makes Mavericks great system to serf internet faster and longer but gives ProApp users serious pain in the ***. Apogge guys dont respond too much, just regular stuff like: Apogee dont make drivers, it uses Core Audio service and etc.
It has been like half a year since Maverics and the problems pop up, so i have updated again to see is there any difference and its still bad! Here is my unfinished conversation with Apogee guy:
By: smokensound
I tried to update my system again from 10.6.4 after a half year waiting for problems with audio to be fixed. I've updated to latest version of OS X Mavericks, latest version of logic X and latest version of Apogee drivers for my DUET (firewire). And still its clicking and cracking when music playing in safari and chrome, its still clicks and crackles and STUTTERS (thats new=)) in Quicktime (ver.7 or Quicktime X - its even worse) !!! Omg guys, please found a way to contact Apple with it, this is ridiciolous !!! Sometimes when i alt tab from LogicX to Safari to play some tracks (flash) or watch Youtube, whole system audio goes down, and DUET disconnects from the system, sometimes its just start Stuttering whole system audio signal, and its very much making cracks and clicks when few Audio Programs open (like QT7 + iTunes + LogicX)..
I hear that guys from Focusrite and Digidesing and few other resolved this issue completely in new drivers, and it seems that new system power saving features and some other crap Apple done is the issue. PLEASE DO SOMETHING !!!
Response By: jrocks 4/16/2014 11:27:29 AM EST
Greetings,
The Duet being an OSX class-compliant the driver it utilizes is within the Mac OS. Maestro merely provides control over the hardware and low latency direct monitoring.
If you're working within Logic then opening other apps, particularly video, this would necessitate increasing the I/O buffer size value within Logic> preferences> audio.
Are wireless networking features being utilized? Temporarily turn-off/disable Airport, Bluetooth and wireless networking features to verify whether this affects the issue.
The interim work around for Quicktime is utilizing a sample rate
of 88.2 or 96 kHz on the Duet. This can be
changed within the Mac's Applications> utilities folder> Audio MIDI Setup> audio devices> Duet.
Our Engineer has made Apple aware of this issue and is working towards a resolution.
True Regards,
Jay
Tech Support Specialist
Apogee Electronics, Corp.
Response By: smokensound 4/16/2014 11:44:51 AM EST
Thank you, i know that Apogee using Os X core audio to maintain itself, the problem is that it maintains itself so badly in Os X Mavericks!
Increasing I/O buffer size isn't a solution because it brings noticeable latency when playing software instruments, and just seems unreasonable for 500$ sound card (or Ensemble) and 8-core macbook pro with 16GB ram.
Airport / Bluetooth has nothing to do with it, tested it half year ago when this problems occurred for the first time.
Popping up a Sample rate seems to have some improvements, but its not an option either because at this high sample rates when using so CPU hungry instruments like Kontakt 5 libraries and Synths like U-he Diva all i will hear is clicks and pops, and all i will see is audio overload messages. This is not a solution.
The only solution is to you guys find out what causing so much problems, what has been changed since Mountain Lion, and what makes your (Mac only) premium quality audio hardware completely unusable! And contact Apple repeatedly about this pretty serious issues. It has been half a year for christ sake, do something=)
Only option i see for myself for now is downgrade again to 10.6.8 or buy a new piece of hardware from somebody who writes their own audio drivers =(