FMod thread block frequently on iOS

Hi, we found that most fmod thread block frequently(about 20ms) on iOS device with instruments of XCode , our Project use UE4 4.21 and Fmod studio intergration. Could anyone do me a favor.Thank you

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Are you able to provide the entire console log?
You can send the log file to support@fmod.com if you would rather not post it here.