Kronos audio interface "bitcrushing" problem.

Discussion relating to the Korg Kronos Workstation.

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Maristokeys
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Joined: Sun Jun 01, 2014 8:05 pm

Kronos audio interface "bitcrushing" problem.

Post by Maristokeys »

Hello, everyone! This is my first post here but the forums have already been a tremendous help.

I'm having a problem with the Kronos where every time I use it as an audio interface for my MBP (Mavericks) the audio coming in via the USB starts degrading and completely cuts off after a while. It almost sounds like the audio is going through a bitcrusher. The internal sounds of the Kronos stay unaffected.

I've tried resolving the problem by reinstalling the Kronos USB-drivers and updating the Kronos OS to no effect. I've also tried different cables. I'm connecting my mac into the Kronos' USB B-slot, then setting it up as my mac's audio output and then assigning the Kronos' USB 1 & 2 Audio Inputs to L/R.

Any help would be appreciated!
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BobTheDog
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Post by BobTheDog »

pedro5
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Post by pedro5 »

I'm a little confused here....not sure if Maristokeys is routing the audio from the mac into the Kronos....or is using the mac as an input from the Kronos.

If it's mac to Kronos....ther may be a sort of audio loop going on,depending on any other routing setting involved in the Kronos.

If it's Kronos to the mac.....what BobTheDog says will proabably apply,which to date has no real solution.

Perhaps further information could clarify things...??

Best Wishes.
Maristokeys
Posts: 14
Joined: Sun Jun 01, 2014 8:05 pm

Post by Maristokeys »

Thanks for the help, guys. The audio was routed from my mac into my Kronos. I just went around the problem by using the Kronos' line outputs and using an audio interface with my mac instead.
thekeyofd
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Joined: Mon Jun 10, 2013 10:04 pm

Problems using Kronos as an Audio Interface

Post by thekeyofd »

Hey guys I am having the same issue using the Kronos as an interface. This problem is fairly new for me having used the Kronos as my interface (connected to my Macbook pro via USB and using Ableton as the DAW) for quite sometime with no problems, suddenly I am getting this "bit crushing" and audio fade out. I too have tried switching out cables and updating the Kronos all to no avail. Im wondering if anyone can offer any suggestions that don't involve having to buy a separate interface as the initial poster of this thread did.

Thanks in advance for any insight.
pedro5
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Location: Coventry UK.

Post by pedro5 »

Sorry to read that you're having problems.

I'm assuming you have read the other posts,via the link etc.
This has been a real problem for some users in the past and can be complicated to fathom,with different "solutions" or workarounds.

Can you describe your particular problem,giving as much detailed information as possible,please ?

The two main issues are....
Kronos usb audio into an imac
and/or
imac usb audio into the Kronos.

As I only use the Kronos usb audio into an imac,but not the other way, also had problems some time ago.
Currently have no problems at all,thankfully.....the story is a long one,but can provide outline details for the K to imac routing only, if you wish.
It won't be an actual solution as such,just information about my own case etc.

Meanwhile,you could try google searches which will provide other forum posts on this problem.

Best Wishes.
thekeyofd
Posts: 3
Joined: Mon Jun 10, 2013 10:04 pm

Post by thekeyofd »

Hi thanks for the quick response,

I have read the other post via the link and unfortunately haven't come across a solution. I am not using an IMac Im running Ableton on a Macbook pro, connected via usb to the Kronos and using the Kronos as the interface. This set up use to work flawlessly until a few months ago. I don't know if it is a result of a Kronos update or perhaps an OS problem on the mac. The Kronos is updated to 3.0.3 and I am running OS X Yosemite 10.10.2. I have tried both my Novation Impulse and Korg Kontrol with the same result. That result is a popping, bit reduction sounding audio that eventually fades in and out.
pedro5
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Joined: Thu Oct 06, 2011 6:42 pm
Location: Coventry UK.

Post by pedro5 »

Thanks for the reply and added info.

As said in my previous post I have only used the set up as Kronos to an imac ,so my contribution will be limited.
I don't think being an imac or a macbook makes much difference....there have been similar problems with both,but mainly it seems to be linked to a particular year of manufacture.....my computer is a late 2013 model.

I doubt it's anything to do with the Kronos update and probably nothing to do with the Kronos,neither.....meaning it could be the mac being the culprit.

You could try using a previous osx instead of Yosemite,if possible...I currently use Mountain Lion purely because it works and am reluctant to change.
(Have tested my set up with Mavericks,which also works,but prefer ML).

If you're using an aggregate device on the mac,things could be improved by using the "re-sample this device" for the Kronos,together with careful setting of the whole Audio midi Set Up applet.

This has been a problem for some users over time and unfortunately there is no definitive solution that suits all.

One thing to look out for is the volume settings....try reducing them,inputs/outputs and also the master slider on the Kronos.

That's all I can put forward,for now.....this will no doubt be continued... :)

Best Wishes.
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