Lag when scubbing audio in TIMELINE only (works great in source monitor)

Question

When I scrub through the timeline there is lag that prevents me from hearing the audio very well. Even going frame by frame with the arrow keys there is a .5 second to 1 second lag in the audio scrubbing. When I double click the audio file and send it to the source monitor, it scrubs perfectly. I'm working with proxy files with a 1/4 playback resolution.

System settings: 16 inch Macbook pro M1 with 16gb memory

Premier Pro Version: 24.4.1

mstegner · Accepted Answer

That is, for now, the nature of some of our audio effects work. Particularly audio effects that have very long latencies.

For example, the Pitch Shifter and FFT filter effects have very long latencies. You will experience this when using these types of effects as track audio effects. Note that this can also affect 3rd party audio effects also.

lsp1482 · Answer

Found the problem! In my Audio Track Mixer I added a "pitch shifter" and "parametric equalizer" effects to track 1. When you remove the "pitch shifter" effect from the audio track mixer, the lag goes away. When you add that same effect to the individual sound clips in the timeline, the lag is still not present. The "parametric equalizer" effect didn't seem to effect the lag at all so I left it in the audio track mixer.

It has something to do with that Pitch Shifter effect being applied to the audio track mixer.

Any thoughts on what's causing that?

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