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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

  • @nrgb said:

    @d4d0ug said:
    I’m using a 10.5” on 11.0.3 and haven’t experienced latency or noise since switching bm3 to use 48khz output sample frequency. I read somewhere back in the threads to try this. Is this a genuine workaround or am I being lucky for the time being I wonder?

    I haven't had any problems since switching to 48khz. (about two weeks ago)

    I have been having the issue with GarageBand, is there a master sample rate I can set??

  • @KlaatuNinja said:

    @nrgb said:

    @d4d0ug said:
    I’m using a 10.5” on 11.0.3 and haven’t experienced latency or noise since switching bm3 to use 48khz output sample frequency. I read somewhere back in the threads to try this. Is this a genuine workaround or am I being lucky for the time being I wonder?

    I haven't had any problems since switching to 48khz. (about two weeks ago)

    I have been having the issue with GarageBand, is there a master sample rate I can set??

    Not that I'm aware of...

  • @nrgb said:

    @d4d0ug said:
    I’m using a 10.5” on 11.0.3 and haven’t experienced latency or noise since switching bm3 to use 48khz output sample frequency. I read somewhere back in the threads to try this. Is this a genuine workaround or am I being lucky for the time being I wonder?

    I haven't had any problems since switching to 48khz. (about two weeks ago)

    I haven't had any problem since iOS 11 beta 2, and, now on beta 4...
    The problem the whole thread is about is fixed, at least for my iPad Pro 12.9" 2017...

  • edited October 2017

    @ErrkaPetti
    It was a good idea to start this thread :-)

    It’s been a worrying time for some after spending their money and wondering if Apple was going to sort out the problems. Now we know it was a software problem in ios that didn’t take into account how audio through the jack worked alongside the new abilities of the latest pros. I suppose they’d given priority to new iphones which don’t have a jack.

    I think any residual problems encountered are mainly due to apps, maybe including GB, that haven’t been updated properly, if at all. Maybe those having problems with apps could start a new thread if they’re not solved with the final ios 11.1 release.

    It’s strange that Apple keeps forgetting that ipads are not just big iphone/pods, and that they are used a bit differently.

  • @Samplemunch said:

    This doesn't really cover the issue, it is about AU instances, Air 2 can run way more than the pros, because of a memory allocation issue with the pros, can you test this for us if you get chance, thanks.

    Would you mind opening a new thread in regards to this issue? Most of this thread is about latency/distortion and it would be nice to have something specific about AU instance/memory issues. From what I'm aware, AUM and BM3 have taken steps to help prevent the instance limitation issue by loading the AU GUI in the background. I still see problems where IOS kills the master thread of an AU due to some limit on total memory allowed to be allocated (see https://forum.audiob.us/discussion/comment/395402/#Comment_395402). I see this with Kaspar where I can't load more than four on my 10.5" even though there is still 2GB of ram free. I'd like to find out the difference between the max limit and different versions of ipad/ios.

  • @rezidue said:

    @Samplemunch said:

    This doesn't really cover the issue, it is about AU instances, Air 2 can run way more than the pros, because of a memory allocation issue with the pros, can you test this for us if you get chance, thanks.

    Would you mind opening a new thread in regards to this issue? Most of this thread is about latency/distortion and it would be nice to have something specific about AU instance/memory issues

    There is a thread already where this should go:

    https://forum.audiob.us/discussion/20439/trouble-starting-several-au-instances

  • @lnikj said:

    @rezidue said:

    @Samplemunch said:

    This doesn't really cover the issue, it is about AU instances, Air 2 can run way more than the pros, because of a memory allocation issue with the pros, can you test this for us if you get chance, thanks.

    Would you mind opening a new thread in regards to this issue? Most of this thread is about latency/distortion and it would be nice to have something specific about AU instance/memory issues

    There is a thread already where this should go:

    https://forum.audiob.us/discussion/20439/trouble-starting-several-au-instances

    I believe that's the thread that covered the initial issue (tied to the view controller?) and workarounds were put into AUM to cover background UI loading. Even with the workaround you still run into a memory limitation that I think is across every device and tied to an arbitrary static memory limit in IOS that doesn't take into consideration how much memory is free on your device. You hit it with X versions of a particular AU. Kaspar is pretty hefty so it seems to be 4 instances before you hit that number. That's 4 instances on an iPad with 2GB or 4GB. Odd that it wouldn't be a higher number on a device with 4GB.

  • I recall reading that the limit is 340mb or something like that.

  • @lnikj said:
    I recall reading that the limit is 340mb or something like that.

    That makes sense. I'm right around there with four loaded and the fifth one crashes them all.

  • edited October 2017

    If I’m not too mistaken, memory allocation and release seems to be just about impossible to code perfectly. And when various apps are in competition for memory, odd things can happen. And 64bit-only systems and their rules compared to 32bit are new in the ios world. Also, unlike other creators, imo, music creators may link up tons of different apps and instances, to complicate memory allocation. I don’t understand much, but I feel we have to be patient while our devs deal with changing rules, the variety of devices, and increasing demands by users.

    I think memory allocation for AU instances will stay limited until the new circumstances have settled in without changing too quickly.

    As I don’t understand all this, do correct me if I’ve got it wrong.

  • @Samplemunch said:

    @Peter321 said:

    @moher said:
    Hi everybody,
    I've been following that thread for a few weeks as I'm planing on buying a pro 10.5 exclusivly for "on the move" music production.
    Happy to hear the latency and glitchy/noise issues are now fixed.

    But as someone mentioned it.
    What about the cpu power improvement compared to first gen pros and previous Ipad?
    I mean is there anyone who could make a real cpu/instances comparations?
    How many fx or AUv3...

    Someone were asking if it was now surpassing the Air2 in terms of instances. I definitely hope so. It should be on par with the cpu bump and more "audio powerfull" than even ipad pro gen 1 to justify its purchase over an older Ipad model.

    Any info or datas about it would be welcome.
    Thanks
    Moher

    From my tests, the 10.5 is about twice as powerfull as the Air 2, based on how many instances of high-end plugins I can use in Gadget.

    I did a test on the Air 2 with the default ODYSSEi preset and a 3 note chord.

    Smallest buffersize and on the Air 2 I could get 7 ODYSSEi's (adding nr. 8 created glitches/distortion).

    On the 10.5" I could run 14 without any problems, adding nr. 15 introduced glitches when interacting with the app (scrolling etc).

    This also seems to be in line with what Geekbench scores are indicating.

    This doesn't really cover the issue, it is about AU instances, Air 2 can run way more than the pros, because of a memory allocation issue with the pros, can you test this for us if you get chance, thanks.

    Ahh, I see - would probably make sense to wait for 11.1 to be released (should be next week I suspect). I don't have too many AU's - the most taxing one is iSem as far as I remember - I could do a test with that. I don't have my Air 2 anymore so someone else need to do the same test on that.

  • @Peter321 said:

    @Samplemunch said:

    @Peter321 said:

    @moher said:
    Hi everybody,
    I've been following that thread for a few weeks as I'm planing on buying a pro 10.5 exclusivly for "on the move" music production.
    Happy to hear the latency and glitchy/noise issues are now fixed.

    But as someone mentioned it.
    What about the cpu power improvement compared to first gen pros and previous Ipad?
    I mean is there anyone who could make a real cpu/instances comparations?
    How many fx or AUv3...

    Someone were asking if it was now surpassing the Air2 in terms of instances. I definitely hope so. It should be on par with the cpu bump and more "audio powerfull" than even ipad pro gen 1 to justify its purchase over an older Ipad model.

    Any info or datas about it would be welcome.
    Thanks
    Moher

    From my tests, the 10.5 is about twice as powerfull as the Air 2, based on how many instances of high-end plugins I can use in Gadget.

    I did a test on the Air 2 with the default ODYSSEi preset and a 3 note chord.

    Smallest buffersize and on the Air 2 I could get 7 ODYSSEi's (adding nr. 8 created glitches/distortion).

    On the 10.5" I could run 14 without any problems, adding nr. 15 introduced glitches when interacting with the app (scrolling etc).

    This also seems to be in line with what Geekbench scores are indicating.

    This doesn't really cover the issue, it is about AU instances, Air 2 can run way more than the pros, because of a memory allocation issue with the pros, can you test this for us if you get chance, thanks.

    Ahh, I see - would probably make sense to wait for 11.1 to be released (should be next week I suspect). I don't have too many AU's - the most taxing one is iSem as far as I remember - I could do a test with that. I don't have my Air 2 anymore so someone else need to do the same test on that.

    Out of curiosity how many isems can you run on your pro ?

  • 11.1b5 is available now but looks minor.

  • I noticed the update installation time was rather quick. Perhaps it’s a small update, but perhaps the upadating process now takes into account the better speed/ram of the pro2.

  • @gonekrazy3000 said:
    Out of curiosity how many isems can you run on your pro ?

    I guess it depends on the preset and number of notes played as well as the apps used - if you have a suggestion you want me to try, i'll be happy to.

    I could run iSem in Cubasis and see how many I can get running, for example with the default preset and a 3 note chord.

  • @Peter321 said:

    @gonekrazy3000 said:
    Out of curiosity how many isems can you run on your pro ?

    I guess it depends on the preset and number of notes played as well as the apps used - if you have a suggestion you want me to try, i'll be happy to.

    I could run iSem in Cubasis and see how many I can get running, for example with the default preset and a 3 note chord.

    I’ve got six instances of iSem running yesterday in Beatmaker 3...
    Six different patches and everything playing thru the sequencer in six tracks simultaneously...
    iPad Pro 12.9” 2017 with 4G/256GB...

  • I have been getting the wall of noise issue also on ipad Air 2 now lately, in cubasis, ios 11.0.3.
    Never seen it on this ipad previous to ios 11. (both on internal and external usb audio playback), hope this is fixed in 11.1

  • @asl77 said:
    I have been getting the wall of noise issue also on ipad Air 2 now lately, in cubasis, ios 11.0.3.
    Never seen it on this ipad previous to ios 11. (both on internal and external usb audio playback), hope this is fixed in 11.1

    So glad I didn't update if that's the case.

  • @nrgb said:
    Interestingly, Apple pulled their latest AudioUnit sample code (released WWDC 2017) which introduced variable sized AUs, and reverted to the previous version (released late 2016).

    Fingers crossed that they are aware of the issues we've faced and are working on a fix...

    @ErrkaPetti said:

    @Peter321 said:

    @gonekrazy3000 said:
    Out of curiosity how many isems can you run on your pro ?

    I guess it depends on the preset and number of notes played as well as the apps used - if you have a suggestion you want me to try, i'll be happy to.

    I could run iSem in Cubasis and see how many I can get running, for example with the default preset and a 3 note chord.

    I’ve got six instances of iSem running yesterday in Beatmaker 3...
    Six different patches and everything playing thru the sequencer in six tracks simultaneously...
    iPad Pro 12.9” 2017 with 4G/256GB...

    Reload also worked well?

  • @realdavidai said:

    @nrgb said:
    Interestingly, Apple pulled their latest AudioUnit sample code (released WWDC 2017) which introduced variable sized AUs, and reverted to the previous version (released late 2016).

    Fingers crossed that they are aware of the issues we've faced and are working on a fix...

    @ErrkaPetti said:

    @Peter321 said:

    @gonekrazy3000 said:
    Out of curiosity how many isems can you run on your pro ?

    I guess it depends on the preset and number of notes played as well as the apps used - if you have a suggestion you want me to try, i'll be happy to.

    I could run iSem in Cubasis and see how many I can get running, for example with the default preset and a 3 note chord.

    I’ve got six instances of iSem running yesterday in Beatmaker 3...
    Six different patches and everything playing thru the sequencer in six tracks simultaneously...
    iPad Pro 12.9” 2017 with 4G/256GB...

    Reload also worked well?

    Sorry for late answer...

    The answer on that question is YES!
    The session reload with no problem (although it take about ten seconds)...

  • Question is problem with latency and digital noise... finally fixed in iOS 11.1?

  • edited October 2017

    11.1 hasn’t been released so until then we won’t know for sure.

  • @Munibeast said:
    11.1 hasn’t been released so until then we won’t know for sure.

    Thanks I know this of course, but is it now fixed in the latest 11.1 beta?

  • is for me.

  • edited October 2017

    @greengrocer said:

    ...is (latency/noise) now fixed in the latest 11.1 beta?

    Thread problem fixed for me too in ios 11 beta. However, some apps I haven’t used might not work properly.

  • edited October 2017

    @greengrocer said:
    Question is problem with latency and digital noise... finally fixed in iOS 11.1?

    If you read the last couple of sides of this thread you will find out...

    But, yes, since iOS 11.1 beta 2 everything is just fine concerning the latency and digital noise thing the new generation of iPad Pro has...

    My iPad Pro 12.9" celluar/256GB (2017) is better than ever....

  • edited October 2017

    And my 10.5"/256gb/ios11.1 is better than ever, too.
    In fact for the moment, it’s even overshoot for me as my audio work is rather minimalist.
    My Air2/128gb was good enough.
    Still, why skimp on my main work tool when it should be good for 3 years of service at 23€/month? And if some apps don’t keep up, there are plenty of others that do :-)
    Some people prefer to stick to what they’re used to, even ios7 or an older mac/pc, but for me creating means adventuring into new territories with occasional bumps in the road.
    If my creations are simply chalk drawings on pavements and disappear tomorrow, it doesn’t matter - for me, the path is more important than the destination. That’s why I decided to be an ios beta tester, with only icloud backups.
    I’m having fun, and have never regretted leaving my previous, almost forgotten, mac/protools setup.

  • So just thought I’d ask if people still have problems now with 11.1 official release. All problems solved? Apple didn’t say anything about an audio fix in the release notes.

  • edited November 2017

    @Munibeast said:
    So just thought I’d ask if people still have problems now with 11.1 official release. All problems solved? Apple didn’t say anything about an audio fix in the release notes.

    It’s solved, at least for me since beta 2 of 11.1...

  • Just did a two hour session in cubasis with a lot of power hungry synths and effects with no issues after update to 11.1 this evening

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