Hmm, updated to 3017.3.1 I though it was editor related, but I get the same problem when built so, its a a showstopper
Hmm haven’t run in this issue yet with 2017.3
Are you doing anything OnAudioFilterRead that could be the cause of the high CPU?
Not for this audio, we do it for our VOIP only.
Funny thing is, if I fire alot of sounds in shot order only the first sound gives spike. Then if I wait a second and fire again spike is back
It might be a bug in our spatilization plugin, disabling it now
Couldn’t it be caching? or decompress on load?, which would only occur the first time, hence only 1 spike and be unloaded GC in a few seconds. Try a wav file if memory isn’t an issue.
We here waiting for Unity 2018.1 to come out of beta while this guy is building his game in 3017.3.1 
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