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New iPad Pro 12.9” (2017) - problem with latency and digital noise... SEEMS TO BE FIXED iOS 11.1 b2

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Comments

  • edited October 2017

    I've only started using Garageband recently (Noise), but with almost every session I get the cascading latency within 5-10 minutes.

    I believe GB is hard-wired to 44100?

  • Well, i just bought the 10.5” pro and updated it to iOS 11.02. I have won the digital noise issue (IPolysix..but i guess all my audioapps will do it) when i plug the usb connection on my macpro, the digital noise is only coming from the headphone output, the digital inputs are ok, i use cubase 9pro. Apple should fix it if isnt an hardware project issue, anyway seems that im stucked at 44.1 kHz, once recorded and used the ipad as audio interface my rme fireface802 stops to working well! Crazyness...

  • edited October 2017

    On AUM one can change from 44.1 to 48 kHz in settings not sure if this fixes things, anyone test?

    Ran 10 min test in GB with AUs iSymphonic and IAA no issues on speakers. 12.9 2017 on 10.3.3 I will test on headphones next.

    Where does one see latency in AUM or GB?

  • edited October 2017

    Here is the Korg bug report form:

    https://support.korguser.net/hc/en-us/requests/new

    Please report the crackling. Korg might have clout with the apple audio engineers. In fact, I encourage everyone to file these bug reports.

    Yes, technically, we have identified this as an Apple issue. But, our apps are breaking. This should make app developers concerned, because we won't buy their apps if they crackle. The goal is to empower developers with data on their own apps so that they can also report the bug to Apple.

    Korg is a high-profile developer.

    What other developers would have the most influence with Apple?

    (Here is what I sent Korg):

    Hi, I cannot use Gadget on my new ipad Pro (system 11, current).

    After a few minutes, I get crackling noise. It seems to be related to the headphone jack.

    More info in this thread:

    https://forum.audiob.us/discussion/20114/new-ipad-pro-12-9-2017-problem-with-latency-and-digital-noise/p1

    Also, there are reports that it does not happen at 48khz sample rate. Can you add an option for 48kz sample rate?

    [snip]

    Thanks.

  • Just tried headphones on AUM with 44.1 and 48 kHz no crackling...

    Then again it's AUM

  • yes, now we are getting somewhere on this issue, was immediately getting horrible noise issue etc in Audioshare just with one file looping and one au or iaa plugin. after reading the latest on this thread I went into audioshare settings and then to hardware settings, setting it to 48khz there solved the issues as far as i can hear over maybe 15 mins playing,
    went to cubasis and started a new project at 48khz and could use au instruments iaa and au fx etc , non of the previous problems/noise/latency occured. you can use 44khz wavs in a 48khz project without conversion, have to try switching an older 44khz project to 48 to see how that goes.
    I had been using my guitarjack2 interface with lightning adapter for headphones without problems as a workaround previously and that was all aok too.
    anyway, ipad pro10.5 512 gb is now (sort of) reinstated as useable on headphones I think.
    I emailed Jonatan Liljedal to ask if this gave him any clues on this issue,, wonder what he will make of it.
    meantime, perhaps korg is a good place to bug report ( especially if Gadget doesn't have a 48khz workaround, though I wasn't having much problem in gadget to be fair ) but I still think the Apple bug report is the place to hammer.. and now we can give them a clue at least..
    onwards!

  • @RockySmalls said:
    yes, now we are getting somewhere on this issue, was immediately getting horrible noise issue etc in Audioshare just with one file looping and one au or iaa plugin. after reading the latest on this thread I went into audioshare settings and then to hardware settings, setting it to 48khz there solved the issues as far as i can hear over maybe 15 mins playing,
    went to cubasis and started a new project at 48khz and could use au instruments iaa and au fx etc , non of the previous problems/noise/latency occured. you can use 44khz wavs in a 48khz project without conversion, have to try switching an older 44khz project to 48 to see how that goes.
    I had been using my guitarjack2 interface with lightning adapter for headphones without problems as a workaround previously and that was all aok too.
    anyway, ipad pro10.5 512 gb is now (sort of) reinstated as useable on headphones I think.
    I emailed Jonatan Liljedal to ask if this gave him any clues on this issue,, wonder what he will make of it.
    meantime, perhaps korg is a good place to bug report ( especially if Gadget doesn't have a 48khz workaround, though I wasn't having much problem in gadget to be fair ) but I still think the Apple bug report is the place to hammer.. and now we can give them a clue at least..
    onwards!

    Nice to hear that a reasonable fix may be possible, I'm going to be giving it a good trial as well over the next few days, so fingers crossed.

  • I've created a post in the Korg community forums here:

    https://support.korguser.net/hc/en-us/community/posts/115019074683-Crackling-audio-noise-on-iPad-Pro-10-5-and-12-9-

    Please post. We need to make as much noise as we can so Apple solves the problem.

  • I'm very impressed with the knowledge of this forum. Apple should thank the members. I'm waiting for the problem to get fixed before upgrading to pro.

  • @nrgb said:

    @ruggedsmooth said:

    So has anybody else with issues tried the change the sample rate to 48 in apps?

    Pretty sure this has fixed all my latency issues now, but haven’t tested enough do to my health issues atm. Seem to only have issues in gadget now which is locked to 44.1
    Haven’t had the crazy audio noise in a bit either. Fingers crossed

    I've spent the last few days testing this, and it appears to have solved the problem for me.

    @ 44100 - I can consistently reproduce the issue (which can be fixed by switching to 48000)
    @ 48000 - I have yet to experience a problem.

    A positive development.

    This is interesting. I had reported how I have way more problems now in BM3 but I'm realizing I had switched from 48kHz to 44kHz in order to get around a different issue. I didn't really experience issues before on my 10.5" running @48kHz. I will switch back and see if my problems disappear. Thank you!

  • edited October 2017

    @Gustos said:
    Just a thought, had same cracking when my mixer was set at 48 and Auria was 44.1. Setting both to 48 kHz fixed it when I had brain fart earlier
    Could it be that iOS has discordant audio sampling for headphone jack?/

    I'm happy my previous brain fart may knock down bugs in iOS and help some people.

    For some reason I don't have crackling on headphones post a restart. I read previously that restarting fixed issue, likely was due to program with discordant audio sampling eg 44.1 kHz open that is closed post restart that removes the resampling

    Maybe if this is isolated to audio sampling we can list programs with 48.0 kHz settings so far I have

    Auria Pro (start new project select 48.0 kHz)
    AUM (settings 48)
    AudioShare (click i > settings > 48.0 )
    Beatmaker 3 (setting gear > audio> 48000

  • hats off to Gustos's brain trumps!
    i wish my farts were as productive.

  • edited October 2017


    !!!!!!From the ios 11.1 beta 2 release notes!!!!!!

    “Fixed an occasionally occurring issue with audio latency or distortion on iPad Pro (12.9- inch) (2nd generation) and iPad Pro (10.5-inch). (33844393)”

  • Great news

  • So pleased to read this! Fingers crossed...

  • edited October 2017

    yes!! just need the public beta to drop

  • edited October 2017

    !! YAY !!

    Posted over at the apple forum.

    Thanks willhindson ;)

  • Yes! Finally Apple are listening.

  • Well if they have solved it, looks like they might get a sales bump from all those holding back till this got fixed, so hopefully it will get a general release soon, but if anyone tries the beta please report back.

  • edited October 2017

    @willhindson said:
    !!!!!!From the ios 11.1 beta 2 release notes!!!!!!

    “Fixed an occasionally occurring issue with audio latency or distortion on iPad Pro (12.9- inch) (2nd generation) and iPad Pro (10.5-inch). (33844393)”

    I'm crying. I don't now what I'll do if it doesn't work.

  • @knewspeak said:
    Well if they have solved it, looks like they might get a sales bump from all those holding back till this got fixed, so hopefully it will get a general release soon, but if anyone tries the beta please report back.

    I so want to believe. But other than this Audio Glitch we are experiencing, these Pros are AWESOME. iOS 11 is fantastic from a general user perspective. Every one I see with a new Pro loves it.

    I live in the SF Bay Area. When we have a "mobile music meetup" we can get up to about 30 people to a gathering tops. A similar Ableton meetup has over 100.

    I don't doubt that Apple ~will~ see a nice little bump. But I think it will mostly be an equalization of "good business", and not a meaningful cash windfall for Apple.

    But damn what are we fighting for? :smiley: Let's keep our fingers crossed for this possible fix!

  • @johnfromberkeley said:

    @willhindson said:
    !!!!!!From the ios 11.1 beta 2 release notes!!!!!!

    “Fixed an occasionally occurring issue with audio latency or distortion on iPad Pro (12.9- inch) (2nd generation) and iPad Pro (10.5-inch). (33844393)”

    I'm crying. I don't now what I'll do if it doesn't work.

    The step to a solution is first admitting you have a problem, that at last Apple has done, so the solution one way or another is just a matter of time.

  • was about to post that.. kinda good news, but annoying it isn't firmware solvable, It involves a mandatory step up to the ios 11 plate.. I'm not imagining the bonus features of 11 outweigh the heartbreak and anguish of sailing out from the calm harbour of ios 10.3.2
    adobe PS Touch being a favourite wench in taverns there.

  • edited October 2017

    I did a GarageBand jam yesterday, connected the audio out with the lightning adapter and no issues

    Might have been lucky, but longer than 10.00 and no issues.

  • I got the following response back from Korg support today. Amusingly, I emailed the release notes to my contact in the background, so I'm not sure if I'm getting my own feedback!

    "KORG app (KORG app User Community)
    Oct 10, 08:03 JST

    Hello,

    Thank you for contacting us.
    We are sorry for the inconvenience.

    This problem is recognized as a problem specific to iPad Pro 2017.
    It is scheduled to be fixed in future updates of iOS (iOS 11.1).

    We have confirmed the following statement in Notes and Known Issues of iOS 11.1 beta 2.
    • Fixed an occasionally occurring issue with audio latency or distortion on iPad Pro (12.9- inch) (2nd generation) and iPad Pro (10.5-inch). (33844393)

    We are sorry, please wait until officially fixed iOS is delivered.

    Best regards.
    KORG app team"

  • edited October 2017

    Latency problem resolved for me in latest 11beta on iPad 10.5"
    In AUM input ipad mic, output cans using jack, no plugins
    At 44.1/16 also 48/24.
    Previously, latency appeared clearly even before a minute
    Now no latency after 5+ minutes
    Went away and came back an hour later, still no latency.
    Just the usual ipad mic hiss, but that is totally eradicated by Brusfri noise reduction app (available in the next couple of days)
    Yoohoo :-)

    What about those using other hosts and on latest beta?
    I know we’re not supposed to divulge findings before public release, but I don’t think Apple minds us reporting good news.

  • ^ Great to hear that it's tested OK ! :)

  • So what's the verdict guys? Has anyone else jumped on the new Beta and had success?

  • good so far

  • In the meantime, I have had great results with Amazons lightning to 3.5 mm dongle.

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