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<title>Keyframe curves</title>
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<p>Some types of clips (currently only audio clips) support interpolating property values over their time. The user can add one or more <em>keyframes</em> to control the interpolation, a term borrowed from animation. <app>PiTiVi</app> represents the value of the property in between keyframes as a <em>curve</em> drawn over the clip. Currently only linear interpolation is supported.</p>
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<p>Some types of clips (currently only audio clips) support interpolating property values over their time. The user can add one or more <em>keyframes</em> to control the interpolation, a term borrowed from animation. <app>Pitivi</app> represents the value of the property in between keyframes as a <em>curve</em> drawn over the clip. Currently only linear interpolation is supported.</p>
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<media type="image" src="figures/keyframecurves.png" mime="image/png" style="right"></media>