Adjust clip speed/duration

Speed-up the B-roll clip to 150 percent to tighten a slow section, ripple the timeline so audio stays in sync, then trim any freeze-frame at the tail so the next cut lands on a clean frame. Play the speed change at quarter-speed to check for motion blur artifacts.

Before I show the director, make the speed change approval-friendly: show the original duration versus new duration, call out any pitch-shift on the audio or whether a retime stretch preserves pitch, and flag frames where motion blur will become noticeable so they can choose between optical flow or frame sampling.

I ramped the clip to 150 percent and the room ambience now sounds higher, which the director hates. I didn’t expect the audio pitch shift to be so obvious. Should I preserve pitch and accept slight artifacts, or detach the audio and replace it with room tone? What’s the pragmatic fix that keeps the cut and calms the director?

On multiple projects I change clip speeds for pacing and then spend time at delivery fixing the audio pitch or recreating ambiences. This eats my finish time and frustrates sound. Should I adopt a policy to detach audio before any retime, always render optical flow tests early, or something else to stop last-minute pitch firefights?