By default, speeding up can jump from 1x to 2x, which is often too fast for comfortable listening. You can customize this for smoother transitions: Go to > Playback . Locate Speed step (usually set to "Auto").
Audio and video go out of sync at high speeds. Solution: This usually happens with variable frame rate (VFR) videos (common with screen recordings). Remux the file as constant frame rate (CFR) using MKVToolNix or HandBrake . Or, use the "Resample audio to match video" option in Audio Switcher without the external renderer. mpc hc speed up without pitch
To speed up video in MPC-HC without the "chipmunk" pitch effect, you must audio time stretching by switching to the player's internal audio renderer How to Speed Up MPC-HC Without Pitch Shift By default, speeding up can jump from 1x