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Stretching on the Timeline

Hold ⌘ and drag the right edge of an audio clip to stretch it. The audio is compressed or expanded to fit the new duration. The stretch rate is calculated automatically. Time stretch settings are also available in the Inspector for sample tracks.

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Modes

ModeDescription
OffNo processing — audio plays at original speed and pitch
SliceRepositions slices between transient markers. Preserves attack and punch. Best for drums and percussive loops
ComplexSpectral time/pitch processing via Signalsmith Stretch. Supports independent rate, pitch, and formant control

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Parameters

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Slice Mode

ParameterRangeDescription
Rate0.25x – 4.0xPlayback speed
Slice mode uses the same transient markers as Audio Focus Mode. The slices are repositioned in time rather than stretched, keeping transients intact.

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Complex Mode

ParameterRangeDescription
Rate0.25x – 4.0xPlayback speed
Pitch-24 to +24 semitonesPitch shift independent of speed
Formant-12 to +12 semitonesFormant shift for creative voice manipulation
Last modified on February 13, 2026