Static-like noise on IOS
I have encountered a problem with audio while developing for IOS. There is a clicking/staticy noise appearing quite regularly. The same sounds/music play without a problem on PC. It was checked on few IOS devices, with the same result.
My first guess was it had something to do with the buffer(similar sound artifacts appear when there are problems with either size or cleaning/reloading), so i tried adjusting it's size on IOS, but it resulted in either breaking some of the sounds completetly or straight up crashing the app.
Any help with this matter would be appreciated.
asked May 27 '15 at 04:09 PM in Bug Reports
Hey there, I just solved this issue today on 4.9.2.
It seemed to be the compression quality setting for each sound file. The "Recommended" sound compression of 40 caused a constant static hiss during the audio play. Turning this instead to 100, thus pretty much turning off audio compression, seems to fix it. I'm not sure if iOS is doing it's own compression on top of the unreal compression, but it worked for me!
answered Dec 30 '15 at 07:35 PM
We have tracked down specific sounds which were making those noises and are in the process of replacing them. I'm not exactly sure why those issues happen only on IOS, because on windows everything is fine.
Didn't have a chance to test it on Android yet, because of launching problems in recent versions of UE.
answered Jul 15 '15 at 03:06 PM
We're gonna mark this resolved until you're able to try with the newest version. If when you get to test you are still seeing this problem with the latest, post here and we'll continue our investigation of your issue.
answered Jun 19 '15 at 01:37 PM
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