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JK running on Apple's new...
Forum: Help with Mac Client Problems
Last Post: HelpMeIAmLost
Yesterday, 10:28 PM
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JK is getting worse and w...
Forum: Help with Live Jamming Sessions
Last Post: schabeth
05-05-2021, 03:26 PM
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Mac OSX Big Sur
Forum: Help with Mac Client Problems
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Forum: Help with Windows Client Problems
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05-03-2021, 04:17 PM
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Is a live session jam wit...
Forum: Help with Video Gear
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05-03-2021, 03:23 PM
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Free Plugins
Forum: Help with Audio Effects Plugins
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05-03-2021, 12:11 AM
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FYI on Panning and Volume
Forum: Help with Live Jamming Sessions
Last Post: kennyincalgary
05-02-2021, 06:00 PM
» Replies: 0
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View the Feed "Audio did ...
Forum: New Feature Requests
Last Post: holger.eichelberger
05-02-2021, 01:56 PM
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remaing playtime (silver ...
Forum: Miscellaneous
Last Post: axiom62
04-30-2021, 08:22 AM
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Crackling Noise
Forum: Miscellaneous
Last Post: Dimitri Muskens
04-26-2021, 11:09 AM
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  FYI on Panning and Volume
Posted by: kennyincalgary - 05-02-2021, 06:00 PM - Forum: Help with Live Jamming Sessions - No Replies


Thought I'd post this little discovery for others as an FYI in case you're having volume problems in a session.

While in a session with another jammer, he happened to pan his guitar hard left using the pan control under his "Audio Input" settings. I happened to pan him hard right using the pan control for him under my "Personal Mix" settings. The result: I couldn't hear him at all.

So a suggestion for mono inputs is to leave the pan control in the middle under the "Audio Input" settings and then let your session mates pan you around using their "Personal Mix" controls.


Thumbs Down JK is getting worse and worse since upgrade plan
Posted by: Heathcliff_wh - 05-02-2021, 03:48 PM - Forum: Help with Live Jamming Sessions - Replies (5)

Hello everybody,
we made the mistake to subscribe an update plan to silver and since then the quality of the connection is worse than ever.

The latency increased, the network jitter increased, there are lots of packet losses. Reasonable rehearsing is no longer possible.

Does anybody experience the same issues?

Next week we will give the whole thing a last chance. Angry

Best regards

  remaing playtime (silver subscription)
Posted by: axiom62 - 04-30-2021, 08:22 AM - Forum: Miscellaneous - No Replies


I have a silver subscription plan, which means 10 hours playtime per month. Subscription fee is payed on 26th every month. The remaining playtime shows 35 minutes, which is not correct, because yesterday I had the first session in the subscription month (from 26th this month to 25th next month). It seems, that playtime has not be reset to 10 hours after payment... Or will the remaining time be counted down to zero before is will be reset to 10 hours (what I would appreciate)?

  Crackling Noise
Posted by: ARMCL - 04-25-2021, 08:25 PM - Forum: Miscellaneous - Replies (3)

Good Evening

I've been using JKZ since last August but since upgrading to the silver plan I get an horrendous crackling noise to the point that JKZ is unusable for me.

My setup is:
AT2020 mic + Stagg XLR cable
Behringer UMC22 + USB 2.0
MacBook Pro (Retina, 13-inch, Early 2015)  2.7 GHz Dual-Core Intel Core i5  8 GB 1867 MHz DDR3
MacOS Big Sur 11.2.3

Instrument is a Hammer Dulcimer, so High attack and long sustain

I originally used a SM57 mic and older lead, but bought the new mic & lead when I started having this crackling sound issue, thinking they might be the cause as both were quite old.  However this changed nothing.

I noticed that the crackling seemed to pulsate in volume so wondered if this was something to do with the audio processing.  I found if I connected my earphones to the laptop rather than the interface (setting up the audio profile accordingly) the crackling reduced considerably, but I now cannot find a combination of gain and output volume which enables me to play along with anyone - if I turn myself up so that they can hear me, then I am deafened.

I have very little technical knowledge of audio matters, but if anyone can suggest where I might be going wrong it would be much appreciated.

  Was this intended or a bug of some sort?
Posted by: WillCorvino - 04-22-2021, 05:59 PM - Forum: Help with Audio Gear - Replies (1)

Ok Wondering if this was intended or a bug of some sort. 

Turns out that frame rate setting when setting up a new audio interface dictates the final resulting ASIO buffer setting that JK resets the the interface to. I use audio interface generically cause the following had affected all my AI's  (Presonus 24c, Focusrite 2i2 and Behringer XR18) and have tested with reproducible results.

The setting occurs when you add your AI from 'audio gear' settings (deleting existing is required if AI is already setup for change to occur). 

For the  Behringer ASIO , JK auto sets the following properties during setup of interface.

Framerate of 1 = 128 Samples (48khz) 8.2ms
Framerate of 2 = 128 Samples (48khz) 8.2ms
Framerate of 2.5 = 8 Samples (48khz) 4.2ms

You can literally watch JK reset/change the Behringer  ASIO control panel when you change the frame rate in the 'select and test audio gear' page during setup if interface. 

The following is for the Presonus 24c results with universal control panel numbers (this may work with PS Audiobox 96 as well)

Framerate of 1 = 128 Block Size/Samples (48khz) 8.2ms
Framerate of 2 = 128 Block Size/Samples (48khz) 8.2ms
Framerate of 2.5 = 16 Block Size/Samples (48khz) 4.4ms
Framerate of 2.5 = 32 Block Size/Samples (96khz) 4ms 

The problem is that after setup occurs the ASIO settings are locked and you cannot make a post change to sample rate in ASIO panel after the initial setup

  Intermittent errors, especially after latest update
Posted by: Tforce - 04-16-2021, 06:36 PM - Forum: Help with Network Gear - Replies (3)

On Tuesday April 14, JK froze with a reconnect to server error. The program would not completely load afterward. On Wed. there was an update. I could join sessions, but could not see friends and could not start sessions. I received an instruction from help desk to add a line the the client.ini file — didn’t help. The last two days I get frequent interruptions (3 times in a 1 1/2 session) where I freeze. I have to leave the session and comeback. These interruptions seem to be preceded by error messages that I’m assuming are BS for the following reasons.
There is a message about re-enabling video — I never use this feature and the built in camera is never on.
Then there is something about “an inappropriate sample rate (32000) with my audio gear” — I have never changed, altered or fuddled with this and it’s an actual physical switch on my Zoom L12.
This computer and interface have been working well for months.
Finally, I’m not finding “help desk” to be very helpful, primarily because their response times are more than 3 hours. The latest email, which was my response to a request by them, was sent almost 24 hours ago and there has been no response.

  Quit after uploading downloading recordings
Posted by: backinterrapin - 04-16-2021, 03:09 AM - Forum: New Feature Requests - Replies (1)

Dear JK,

Just jammed on latest version after updating today. Sound was great. Everyone had steady jitter around 2.5ms and latency was from 19 to 24ms for everyone. And no one had to leave and rejoin the session to get things to work, nor even hit the Resync button. Thanks for the continued improvements!

Did another test recording of a song. Forgot to leave JK running after i left session for the night forgetting about the recordings to upload/download.

It would be most awesome if when you try to quit JK and there were uploads and downloads in progress, JK would tell you "uploads/downloads in progress", and ask "Do you want to Quit JK after uploads and downloads are complete?" with two buttons, "Yes" and "Quit Now" which are obvious what they would do.

Please? I mean who doesn't want this. Or something like that. Could be a setting that will do it automatically without asking. 

BTW, i did search for this feature request in this forum but had no luck with the keywords i used in case this has already been asked for.


  Recording with jamtracks
Posted by: procol - 04-15-2021, 09:36 AM - Forum: Help with JamTracks - No Replies

As soon as I click the start recording button the jam track starts but I cant hear it on my headphones.I can only hear my bass guitar. So playing 
along to the jamtrack is impossible. So my question is: how can I hear the jamtrack playback while I am recording?

  Multi track other musicians
Posted by: Slyvain - 04-08-2021, 02:38 AM - Forum: New Feature Requests - Replies (1)

That could be nice to receive other musician all of their yracks instead of a single track

That way if the other musician is having a track for his voice and another for hisbinstruments, i can select the volume of each component

  Mixing presets for different instruments on the same track
Posted by: holger.eichelberger - 04-04-2021, 07:52 PM - Forum: New Feature Requests - No Replies

Hi JamKazam team,

one idea from our session today. During a session, we sometimes change instruments, e.g., from a ukulele to a whistle. However, individual instruments need a different mixing volume/amplification level. So it would be great to be able to define some presets for the volume for individual instruments and to recall the preset, e.g., by clicking on the instrument symbol and selecting a different instrument.

Best wishes,

PS: Sorry if this already works somehow  Tongue