: By default, MPC-HC often doubles the speed with one click (Auto). To change this, go to Options > Playback and change the Speed step to a smaller percentage (e.g., 5% or 10%) for smoother increments.
Before diving into the solution, it helps to understand the science. Traditionally, speeding up a video is simple: you just play the frames and audio samples faster. If you halve the playback time, you double the frequency of the audio waveform. Double the frequency means an octave shift. A male voice speaking at 120Hz suddenly sounds like a helium-filled cartoon at 240Hz. mpc hc speed up without pitch
Here’s the trick:
MPC-HC (Media Player Classic – Home Cinema) can change playback speed without altering audio pitch using its built-in audio renderer and filters. This short review covers options, quality, steps, and pros/cons. : By default, MPC-HC often doubles the speed