this issue has been present since around L9 b50 , glitches on moving a note.
I previously reported it mysteriously fixed, but I was mistaken. The issue arises when moving a note, whether the set is running or not.
Issue: moving a note with the mouse causes CPU spikes, audible pops and bursts of static.
Reproduce: (on my system) simply moving a note with the mouse.
Outcome: bursts of noise, static bursts, pops, and CPU jumps from the resting state of 10-11% to around 50%. While there are no audio indications on the L9 meters shows the audio bursts come from the soundcard driver. Moving a note when the song is running produces even worse outcomes.
Expected outcome: no noise, no CPU jump. I expect to move a note without CPU spikes and audio bursts, as L8 which works perfectly.
Tried: upping the buffer size, but no difference is made. L8 works perfectly with buffer of 128 samples, L9 does not work perfectly with any buffer size.
Observed the issue gets progressively worse the longer the song is open. When the song is first opened moving this same note will take the CPU from 11% to 26% . After the song has been open 30 minutes the action causes the CPU to jump from 11% to 46% (or higher)as seen in the GIF
Image : moving a note with the mouse, even when the song is stopped, causes visible CPU jumps and (non-visible) audio bursts at the same time
![Image](http://i229.photobucket.com/albums/ee227/robot-elf/bad-live-9-glitches_zps525d23e8.gif)
test system:
L9.05 final 32 bit,
Win 7 64 bit
RME Fireface 400