Speed / Pitch
Change playback speed (keeps pitch) and optionally shift pitch in semitones.
Speed (0.5×–2.0×)
Speed uses atempo, which preserves pitch.
Pitch (semitones)
Pitch shift uses asetrate + aresample. Combine with speed as needed.
Change playback speed (keeps pitch) and optionally shift pitch in semitones.
Speed uses atempo, which preserves pitch.
Pitch shift uses asetrate + aresample. Combine with speed as needed.