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Howdy!

TL/DR
Audio static after switching StudioLive III sample rate to 48kHz with new i9 PC build. Research and Presonus support suggest system adjustments with no joy. Support suggested potential conflict with i9. Have any of you experienced i9 issues outside of the obvious system changes in streamlining for audio?

System Specs
  • Win10Pro
  • Gigabyte Designare MOBO
  • i9-9900k
  • Corsair LPX 64Gb (4x16) 3200Mhz RAM
  • Samsung 970 EVO Plus 500Gb SSD (OS Drive)
  • Samsung 970 EVO Plus 2Tb SSD (working files)
  • WD Blue 3D NAND 2Tb SSD (VI)
  • EVGA SuperNOVA 750 G5
  • No graphics card as I use the processor for rendering.


Peripherals
  • Studio One Pro 4ish
  • Korg NanoKontrol2
  • Focusrite Scarlett 18i8 First Gen (left over, for MIDI only now)
  • Presonus StudioLive III mixer (for DAW mode/controller)

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Details
I generally use 44.1kHz but a recent project had me switch up to 48kHz. After doing so, I noticed a somewhat repeating static (soft crackling) in my playback. At first I thought it was sounding roughly with audio clip peaks, but now I feel more of a pattern that repeats every 3-5 seconds. Note that I mean this description very loosely. This does not appear to be recording to file and it happens on playback, live playing, and even streaming audio from local drives, YouTube, video clips, etc. It acts like an overlay, in a way.

While I hear the same scratchiness whether I'm listening through StudioLive III output through headphones and monitors, I do not hear the noise if I sync to bluetooth devices, bypassing my mixer. Also, this is not just through Studio One. If I monitor audio of any source through SLIII, the occurs.

Efforts
I have combed through numerous forums, support links, and have contacted Presonus support, all offering various degrees of system customization for PC audio to include power settings, BIOS, C-states, drive settings, disabling devices/WIFI/Bluetooth, block sizing/latency adjustments, ensuring that physical devices are drawing from the same power source, and on and on. This has been a fairly deep dive already, with no luck. I am three steps away from sacrificing a chicken or two. Well, at least a KFC bucket.

I noted in my list above that I was using the onboard graphics from the i9 CPU; however, I have since installed a graphics card hoping that that minimum pull on the CPU might have been the source of my issue. No luck there either.

Support and I spent about 7 or so messages back and forth mostly just asking me to do the same streamlining steps I had applied when researching this on my own, originally. There were a few new steps in Presonus' list but nothing made a difference. The last communication was that this may be related to the i9-9900k and that it would be forwarded to the development team. That I should be on the lookout for updates and track release notes to see if this is addressed in the future. The final suggestion was to use another CPU in the meantime.

I've posted a similar thread on another forum and the only reply there was similar issues with Studio One. That user migrated to another DAW ecosystem and has not experienced the issue since. I can't imagine changing at this point (I purchased the SLIII 32s just under a year ago!), so that's not really an option.

LatencyMON has me in the green. Reverting to 44.1 seems to tame the noise. That's where I'm at currently.

Questions
  1. Have any of you experienced similar issues when using the i9 (specifically the i9-9900k)?
  2. Do any of you have any insight to Presonus' development to speak in any detail on how often such issues are dealt with? Based on my Google-fu, it seems that there have been a few i9 issues over the last 2-3 years. I don't think those are the same as mine, but I'm curious if they're related.
  3. Have you any suggestions on how I might reroute my headphone/monitor out while still using SLIII as my DAW controller? I'm sure that I am asking the wrong question in ignorance, but hopefully you see my goal even if that's not the path to take!
  4. If you have experienced something like this, did you change CPU? Is the i7 good in the Presonus universe? Seems counter-intuitive to me, but I'm here to learn.

Thanks, all, in advance for whatever thoughts you can offer.
User avatar
by brianhenry1 on Thu Jul 09, 2020 6:12 pm
Same identical problem with recent Intel i9 (year old). I think it started happening after a firmware/UC Control upgrade about 2 years ago. Now cannot use 48K without the buzz and distortion. Have exchanged 15+ emails with Presonus support to no avail. Did everything under the sun and then some including deleting Realtek. I have a StudioLive 16 and thought it might be my unit, but apparently not. Think it is caused by some interference with the audio card in the computer, but have used other interfaces and can use 48+ with them without the buzz. Something in the StudioLive software, I believe.
User avatar
by noelsapp on Fri Jul 10, 2020 8:27 am
brianhenry1 wroteSame identical problem with recent Intel i9 (year old). I think it started happening after a firmware/UC Control upgrade about 2 years ago. Now cannot use 48K without the buzz and distortion. Have exchanged 15+ emails with Presonus support to no avail. Did everything under the sun and then some including deleting Realtek. I have a StudioLive 16 and thought it might be my unit, but apparently not. Think it is caused by some interference with the audio card in the computer, but have used other interfaces and can use 48+ with them without the buzz. Something in the StudioLive software, I believe.


You don't know how oddly comforting it is to see someone else with a similar experience. With the seeming lack of posts online that match my experience, I just knew it was something I was doing wrong either in setup, application, or PC component builds. Sure, any of that or even a combination could still be the source of my troubles, but at least I now know there is someone else.

That said, I hate that you have had to deal with this for as long as you have.

I do find all of this strange as I would assume those of us building custom PC systems specifically for audio production would lean towards the higher numbered CPUs, given Presonus' specs for multicore use, "I7 processor or higher with 4 cores or more." I believe that's been around for a while, which leads me to wonder how are more users not experiencing this?

I can only assume the average user probably isn't investing so much into interface hardware (StudioLive series, specifically) for more practical solo use options like Focusrite 2-8 input boxes. Perhaps the bulk of those using the StudioLive interfaces are using them as standalone, live recording for church and venue rather than as a DAW control. I have nothing to base that on aside from the lack of similar issues around the intertubes.

iderno.

Anyway. Thanks for the reply. I really appreciate it!
User avatar
by PAE Seth on Sat Jul 11, 2020 9:02 am
Has to do with Certain 1150 (300 series) chipsets and i9 processors on PC.

Ice Lake (10th Gen) Processor also seem to show this issue (2020 MacBooks, latest Dell XPS series).

We've gathered a good bit of data of the past few months. Engineers are looking into this as we speak.

Should be solved with firmware update. No ETA on release. There are lots of AVB improvements in the pipeline, so that may delay things a bit.
User avatar
by noelsapp on Mon Jul 13, 2020 10:45 am
PAE Seth wroteHas to do with Certain 1150 (300 series) chipsets and i9 processors on PC.

Ice Lake (10th Gen) Processor also seem to show this issue (2020 MacBooks, latest Dell XPS series).

We've gathered a good bit of data of the past few months. Engineers are looking into this as we speak.

Should be solved with firmware update. No ETA on release. There are lots of AVB improvements in the pipeline, so that may delay things a bit.


Thank you for the details and reply. I very much appreciate it. Two comments when you have time:

  1. Is there a list of processors (or hardware components in general) that are known to be compatible/incompatible? I mean, apart from the very broad system requirements listed on product pages.
  2. Based on my system specs in the OP, I will be happy to help test or provide additional information if that could be useful.

Fingers crossed that updates will be sooner than years later! Thank you again.
User avatar
by SwitchBack on Mon Jul 13, 2020 12:28 pm
What I hardly ever see mentioned is that Studio One has two functionally distinctive sample rate settings:
- the sample rate for the interface(s), as set e.g. from S1’s start page (“configure audio device”).
- the sample rate for the song, as set when creating a new song, or from an existing song’s “song setup”.

With interfaces it’s important to use a single sample rate for all apps (including system audio) sharing that interface. An interface toggling between sample rates plays havoc with the audio buffers, so expect problems when an interface’s sample rate is not the same in all apps using it.

The sample rate for a song determines how S1 processes and stores audio. This sample rate can be different from the interface’s sample rate, making S1 convert inputs and outputs on the fly. That’s fine, but keeping both sample rates the same can save a little on processor load (and maybe audio quality).
Same for me on my gaming laptop Corei5 everything crackles only on 48khz. Been looking for a solution.
User avatar
by SwitchBack on Sat Jul 18, 2020 5:42 am
So what happens when you run the interface/mixer at 44.1kHz and the song at 48kHz? Still noisy?
User avatar
by fripholm on Sat Jul 18, 2020 10:46 am
I've just found out about this thread and I seem to have similar issues on my i7-8565U laptop (Lenovo ideapad S340) using my SLIII 24 console and my 16R rack mixer with ASIO drivers in Reaper. It never occured to me that the actual sample rate could have something to do with that so I never tried it with 44.1kHz and I can't check it at the moment. Obviously, this is not exclusive to i9 systems. Funnily, my desktop machine (i9-9900K) doesn't even have this problem.

I was in contact about the crackling back in July 2019 (!) but they had no clue (in fact, the support guy blamed Reaper) and it's a relief to see an actual Presonus rep admit that it's a known problem - one year later!!! Back then I just gave up and learned to live with the crackling as it only occured on playback - not on recorded audio. What helps in my case is a little software called "ThrottleStop" with the settings as shown in the attached screenshot. As far as I remember I didn't mess with any of the advanced settings. The crackling stops as soon as the software runs.

ts.jpg
Last edited by fripholm on Sun Jul 19, 2020 1:38 am, edited 1 time in total.
User avatar
by noelsapp on Sat Jul 18, 2020 7:40 pm
fripholm wroteI've just found out about this thread and I seem to have similar issues on my i7-8565U laptop (Lenovo ideapad S340) using my SLIII 32 console and my 16R rack mixer with ASIO drivers in Reaper. It never occured to me that the actual sample rate could have something to do with that so I never tried it with 44.1kHz and I can't check it at the moment. Obviously, this is not exclusive to i9 systems. Funnily, my desktop machine (i9-9900K) doesn't even have this problem.

I was in contact about the crackling back in July 2019 (!) but they had no clue (in fact, the support guy blamed Reaper) and it's a relief to see an actual Presonus rep admit that it's a known problem - one year later!!! Back then I just gave up and learned to live with the crackling as it only occured on playback - not on recorded audio. What helps in my case is a little software called "ThrottleStop" with the settings as shown in the attached screenshot. As far as I remember I didn't mess with any of the advanced settings. The crackling stops as soon as the software runs.

ts.jpg


That's interesting you have an i9-9900k desktop with no issues. Mind me asking what your specs are with it? I'm curious what components you have to compare to mine.

How did you find out about ThrottleStop?

Thanks for posting.
User avatar
by noelsapp on Sat Jul 18, 2020 7:42 pm
christopherrodriguez15 wroteSame for me on my gaming laptop Corei5 everything crackles only on 48khz. Been looking for a solution.


Mind me asking your specs/components on the i5 machine? Just to compare? Thanks for posting. Sucks we're experiencing this, but at least we're not alone. lol?
User avatar
by noelsapp on Sat Jul 18, 2020 7:47 pm
SwitchBack wroteWhat I hardly ever see mentioned is that Studio One has two functionally distinctive sample rate settings:
- the sample rate for the interface(s), as set e.g. from S1’s start page (“configure audio device”).
- the sample rate for the song, as set when creating a new song, or from an existing song’s “song setup”.

With interfaces it’s important to use a single sample rate for all apps (including system audio) sharing that interface. An interface toggling between sample rates plays havoc with the audio buffers, so expect problems when an interface’s sample rate is not the same in all apps using it.

The sample rate for a song determines how S1 processes and stores audio. This sample rate can be different from the interface’s sample rate, making S1 convert inputs and outputs on the fly. That’s fine, but keeping both sample rates the same can save a little on processor load (and maybe audio quality).


Yeah, that was a pain just trying to get S1 to recognize what rate my board is. Lots of restarts before they decided to be friendly. I'm sure that's user error on my part.

I've not tested two different settings to see what the outcome is. Or at least, I haven't deliberately. I believe though I have gotten warning errors that my board is at a different rate back when I was screwing around with it. My memory could be off on that so take it with a grain of salt. I'll test it when I get some free time from work.

Thanks for the post.
User avatar
by fripholm on Sun Jul 19, 2020 1:29 am
noelsapp wroteThat's interesting you have an i9-9900k desktop with no issues. Mind me asking what your specs are with it? I'm curious what components you have to compare to mine.

How did you find out about ThrottleStop?


Just to be clear - I was able to check the i9 system only with the 16R rack mixer which crackles on the i7 laptop. As my SLIII 24 console is installed at the venue where I work I couldn't test it with the desktop machine - only the portable computer.

The motherboard for the i9-9900K is an ASUS Prime Z390-A, it has 16GB DDR4 RAM (Corsair), 5 SSDs (4 SATA and one NVMe), Corsair H115i Pro AIO cooling and a Radeon RX5700XT graphics card. It usually runs with a Fireface UFX+ over Thunderbolt all day long without any issues (dual boot with Win 10 Pro and Hackintosh on Catalina).

ThrottleStop? When I first experienced this issue, it turned out that the crackles got less the higher the CPU load was and my theory was that some kind of power management or throttling mechanism was the culprit. With the settings shown this seems to be deactivated and the crackling stops - at least on my system. It doesn't seem to affect system performance either - maybe power consumption is slightly higher - but who is recording with a laptop on battery when the interface it's connected to runs on mains power... 8-)
User avatar
by markshrader on Mon Aug 03, 2020 8:51 pm
noelsapp wroteAlso, this is not just through Studio One. If I monitor audio of any source through SLIII, the occurs.


noelsapp - Thank God another victim of this issue! I could find no mention of this anywhere.

My son and I own a StudioLive III 32SC, running with Studio One 4.6-ish.
We just finished a brand new PC build with an i9-9900, 32GRAm, tons of storage, etc, pert-near identical to the components you named above. So I'm thinking this thing is going to smoke... and no more issues baby! (especially since SO4.6 started crashing on my previous older PC).

I posted a PreS ticket, got one reply. Per my tech's request updated all software and firmware, and submitted the PC's info log and am still awaiting PreS tech reply (a couple days ago now).

So we are clear: As long as I am monitoring through the SLIII, there is crackling - period.
Local or streaming MP3s, YouTube, Prime movies, does not matter. I even reinstalled my Clarett Pre4 - connected it and bam, perfect audio, on everything, including SO4! And I mean clean as a whistle. How can this not be the USB driver - comm?

I am stuck. Swapping out USB cables doesn't help, down-rating to 44.1k doesn't help, restarting (PC, SLIII, whatever) doesn't help, kicking my cat, yelling at my wife, eating brownies, nothing seems to do it.

So wondering, did you try the throttling app mentioned above? Haven't gone there yet, had to reply first and throw in my ante and say hey!

Any progress that anyone makes is gold. Please share as soon as you can.

Thanks,
Mark

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