Audio Imported into blockbench desyncs & bugs upon restart

[violxiv]

What are you trying to do, and what do you expect to happen?

I'm animating using imported audio as a reference, doing things like lipsyncing and animating to sound effects which are sensitive to even the smallest of delay, I expect the imported audio to sync perfectly with the timeline and be able to reference any point of the audio/animation accurately.

What happens instead?

I'm noticing that depending on where the animation begins to play (from the beginning or a midpoint) the sound will play at different points. e.g. if I animate a keyframe at 30 seconds to a sound that plays at 30s in the imported audio file will be fine when I play from the beginning of the clip; however replaying a segment the audio file will be slightly off by possibly .5 of a second or more. which makes it difficult to sync animation correctly to my audio. I think it worsens the longer the animation duration is.

Additionally, when opening a project after closing it, sound will only play when the keyframe is played instead of being able to select any duration after the keyframe and hear that specific part of the audio.

Model format in which the issue occurs

Generic, but possibly all.

Blockbench variant

Program

Blockbench version

4.8.3 (current as of writing)

Operating System

Win 10

Installed Blockbench plugins

None relating to animation except maybe Camera plugin