Hi,
If the different time positions for the “end” events correspond to different audio files, then it’s no cause for concern
When a “play” event reports a time position of 0.022991, it means that the event was detected 23ms after the browser had effectively initiated playback, so you can estimate a more accurate timestamp for the beginning of playback by subtracting 22.991 from the EventTime value of the “play” line
Jeremy