Problemi di riproduzione delle clip durante la fase di montaggio: risultano accelerate e scattose

Delete the Media Cache and Media Cache files:
https://community.adobe.com/t5/premiere-pro/faq-how-to-clear-your-media-cache-in-30-seconds-in-premiere-pro-2020/m-p/11017257/thread-id/260446?page=1

If that doesn't work, try resetting the preferences:
https://community.adobe.com/t5/premiere-pro/faq-how-to-reset-trash-preferences-in-premiere-pro/td-p/8236158?page=1

If that doesn't work, try resetting the Workspaces:
Reset a workspace
Reset the current workspace to return to its original, saved layout of panels.
1. Do one of the following:
• Click the Workspace menu icon and select Reset to Saved Layout.
• Choose Window > Workspace > Reset to Saved Layout.
from here:
https://helpx.adobe.com/premiere-pro/using/workspaces.html

If that doesn’t work, try updating or rolling back your graphics driver directly from the video card manufacturer’s site. If NVIDIA, do a clean installation of the latest Studio Driver (NOT the Game Driver)

If that doesn't work, try creating a new project and import the old one into it.

Make sure Default Input in the Audio Hardware in the Preferences is set to No Input.

Hi there!

Sorry about the issue. Can you share the following information?

• Which device did you use to record footage?
• Could you share your system details (OS, CPU, RAM, GPU)?
• Are you using screen-recorded footage? https://community.adobe.com/t5/premiere-pro-discussions/faq-issues-with-screen-recorded-footage-in-premiere-pro/m-p/10874355

Let us know.

Thanks,

Kartika