# delay playing event instances **URL:** \ **Category:** FMOD Studio\ **Created:** [February 19, 2016, 3:47pm UTC](https://qa.fmod.com/t/delay-playing-event-instances/12321 "2016-02-19T15:47:18Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![gmayer1](https://avatars.discourse-cdn.com/v4/letter/g/898d66/32.png) [@gmayer1](https://qa.fmod.com/u/gmayer1)\ **Post date:** [February 19, 2016, 3:47pm UTC](https://qa.fmod.com/t/delay-playing-event-instances/12321/1 "2016-02-19T15:47:18Z")
I’m getting delays playing simple event instances, on both win32 and iOS. I thought I had all the basics down: Studio vs. 1.07.05 code: #define FMOD\_VERSION 0x00010705 - all events are set NOT streaming in Studio - building Vorbis on Desktop, FADPCM on iOS - I loadSampleData on the entire single master bank at load time (and it completes successfully) - I create all EventDescriptions once at load time also. - I create each instance on-the-fly and play (but I assumed this would work with no perceivable delay, as the whole bank is loaded) - yet I am hearing delays before playback, ranging from very slight to huge (approx 1 second!) - the delay is the same on both win32 and iOS. Any thoughts as to what I’m doing wrong? Many thanks in advance. Greg ---
**Author:** ![graeme](https://avatars.discourse-cdn.com/v4/letter/g/50afbb/32.png) [@graeme](https://qa.fmod.com/u/graeme)\ **Post date:** [February 23, 2016, 8:05am UTC](https://qa.fmod.com/t/delay-playing-event-instances/12321/2 "2016-02-23T08:05:45Z")
> [@](#): > > I’m getting delays playing simple event instances, on both win32 and iOS. I thought I had all the basics down: > > Studio vs. 1.07.05 > code: #define FMOD\_VERSION 0x00010705 > > - all events are set NOT streaming in Studio > - building Vorbis on Desktop, FADPCM on iOS > - I loadSampleData on the entire single master bank at load time (and it completes successfully) > - I create all EventDescriptions once at load time also. > - I create each instance on-the-fly and play (but I assumed this would work with no perceivable delay, as the whole bank is loaded) > - yet I am hearing delays before playback, ranging from very slight to huge (approx 1 second!) > - the delay is the same on both win32 and iOS. > > Any thoughts as to what I’m doing wrong? > > Many thanks in advance. > Greg Does the delay occur every time you play an instance, or just the first time? ---
**Author:** ![gmayer1](https://avatars.discourse-cdn.com/v4/letter/g/898d66/32.png) [@gmayer1](https://qa.fmod.com/u/gmayer1)\ **Post date:** [February 24, 2016, 12:44am UTC](https://qa.fmod.com/t/delay-playing-event-instances/12321/3 "2016-02-24T00:44:50Z")
I figured out the problem - there is only one event that had significant delay, and it was because the place where System update was getting called was actually blocked from being called for a short time, while several systems in the engine were paused. [facepalm] Then, because of the one “real” delay, I wasn’t sure if the others were playing on time, but I think they’re fine. thx Greg ---
**Author:** ![graeme](https://avatars.discourse-cdn.com/v4/letter/g/50afbb/32.png) [@graeme](https://qa.fmod.com/u/graeme)\ **Post date:** [February 24, 2016, 2:35am UTC](https://qa.fmod.com/t/delay-playing-event-instances/12321/4 "2016-02-24T02:35:42Z")
> [@](#): > > I figured out the problem - there is only one event that had significant delay, and it was because the place where System update was getting called was actually blocked from being called for a short time, while several systems in the engine were paused. > [facepalm] > Then, because of the one “real” delay, I wasn’t sure if the others were playing on time, but I think they’re fine. > > thx > Greg I’m just glad to hear it’s all sorted out. It does raise a good point though. In the Studio API, commands are queued until the next system update. So it’s important to call Studio::System::update() regularly. ---
**Author:** ![gmayer1](https://avatars.discourse-cdn.com/v4/letter/g/898d66/32.png) [@gmayer1](https://qa.fmod.com/u/gmayer1)\ **Post date:** [February 24, 2016, 2:39am UTC](https://qa.fmod.com/t/delay-playing-event-instances/12321/5 "2016-02-24T02:39:40Z")
Thanks Graeme. Can you confirm that it’s “ok” to be creating the instances on the fly, as I am, as long as the banks are fully loaded, and the event descriptions have already been fetched? ---
**Author:** ![graeme](https://avatars.discourse-cdn.com/v4/letter/g/50afbb/32.png) [@graeme](https://qa.fmod.com/u/graeme)\ **Post date:** [February 24, 2016, 2:46am UTC](https://qa.fmod.com/t/delay-playing-event-instances/12321/6 "2016-02-24T02:46:49Z")
Yes, it’s perfectly fine to create event instances on demand. In fact, that’s what we recommend. As long as the sound data is already loaded, there should be no extra delay. ---
**Author:** ![gmayer1](https://avatars.discourse-cdn.com/v4/letter/g/898d66/32.png) [@gmayer1](https://qa.fmod.com/u/gmayer1)\ **Post date:** [February 26, 2016, 3:06pm UTC](https://qa.fmod.com/t/delay-playing-event-instances/12321/7 "2016-02-26T15:06:58Z")
Excellent, thanks!