El Capitan USB audio problems.

Yes, I have the same audio issue with my Yamaha CD-S3000 DAC after upgrading to the OSX El Capitan.

The issues I have are:

1. Constant drop connection with DAC. Sometime need to reboot the (2012) Mac Mini to regain the connection with DAC.
2. Frequently and randomly Audio jittering, then music pause and mute, then music resume where it drop out.
3. Frequently and randomly Audio jittering, then music pause and mute, then my Mac Mini just auto reboot by itself.

Does Apple aware this issue? and any fix for this problem anytime soon?

I agree with you, this is the worst ever OS upgrade from Apple!

Same problem here, Mac Mini Late 2012, with M-Audio Keystudio 49i, i know my interface is old but still working fine with Yosemite, but with this update is a constant Drop Audio Connection, i have to reboot the Mac, my interface is “Class Compliant” supposedly it should work fine.

I have been in contact with Apple Support. I have a uDAC NuForce 2 and it is not working. Apple Support engineers looked at my logs and have determined that the upgrade in the iOS as created issues for these types of universal USBs. They said that Apple has "tighten the constraints around using USB audio device." Basically, tough luck and you should buy an Apple approved device.

This is from the support person:

"I can certainly understand your desire to find a way to continue using a piece of equipment that has worked so well for you in the past. I also understand why NuForce is telling you that “Apple should have no problem with the µDac 2 because it is a universal USB.” However, I cannot argue with what the logs from your own system are telling us. If the engineers at NuForce are willing to review the logs, perhaps they could contact the Apple engineers and come to some more-robust solution."

This is absolutely ridiculous. The nuforce dac worked flawlessly on Mountain Lion, Mavericks, and Yosemite. There was no 3rd party software to install to use this device it is simply "plug and play" (remember that term Apple?). El Capitan is released, the product no longer functions and it's the engineers at NuForce that need to find a solution? Unbelievable. My dual boot iMac is booting into Windows 10 more and more these days.

I just reinstalled my OSX back to Yosemite. Just can not wait any longer for the patch from Apple.

Everyone can follow this article to roll back your OSX from El Capitan to Yosemite:

http://www.macworld.com/article/2367748/how-to-make-a-bootable-os-x-10-10-yosemi te-install-drive.html

1. Be sure to back up all your music first, as well as other settings (Equalizer etc) and files.
2. I did not use Time Machine Recover function, because I want a 100% clean installation of Yosemite.
3. I know re-isntall everything is a painful process. But listening to those jittering noise music is even more painful.

The same even after 10.11.1 on my Late 2012 Mac mini with Behringer U-Phoria UMC202. So annoying! Going to find a way to get back on Yosemite, that's amazing.

Same problem with my Bose Companion 5. How that kind of problem can happen????

It is crazy!

Sorry to hear about all these problems. My several years old iMic still works perfectly with El Capitan.

Thats Great!

Do you have a USB DAC like the topic of this thread is focused on?

I have a 2010 Toyota FJ that runs great..... just adding more irrelevant info...

Shaman Rawb wrote:

Thats Great!

Do you have a USB DAC like the topic of this thread is focused on?

I have a 2010 Toyota FJ that runs great..... just adding more irrelevant info...

FWIW, an iMic IS a DAC, despite its name.

Try to reset SMC :

shut down the mac

unplug the wire of the power supply

press start for 5 sec

then replug the power supply wire

restart

Working well for me with companion 5!!!

Marco

Does the manufacturer of your card/device whatever have drivers for OS 10.11?

Apple provided developers the code for El Cap months before it released

Developers can choose to either check their drivers code to see if it works, or not, or fix if it's borked or retire the card, or replace it with a new model or abandon the line.

None of these decisions are made by Apple. Furthermore Apple is not going to fix someone else problem for any reason. They released an OS that works with their equipment their software, anything 3rd party is UP TO THE DEVELOPERS OF THAT PRODUCT TO MAKE SURE IT WORKS OR NOT.

if you can find the part in this EULA for 10.11 where it says Apple will fix this please post, otherwise I will show you where it says they will not.

When you clicked agree and didn't read any of this it did not absolve you of knowing it's the responsibility of the developer, not apple to remedy this kind of thing in the event it happens:

I GET IT, it ***** monkey butts and clearly it's not what any of you want to hear but Apple is not going to reverse course and fix other developers problems, possibly opening the door to causing some other problem. Contact your devices developer and use their forums and see if they can give you a working solution, beta driver or discount on a new whatever it is you need.

* http://images.apple.com/legal/sla/docs/OSX1011.pdf

I contacted with my DAC manufacturer, which is Yamaha.

They told me they aware of this issue with the latest OSX, and will release a new driver to resolve this issue next month, November 2015.

I Will keep post here after having the new driver installed.