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<title>Crossfade Clips - Audacity Manual</title>
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<body class="mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject page-Crossfade_Clips rootpage-Crossfade_Clips skin-monobook action-view"><div id="globalWrapper">
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<h1 id="firstHeading" class="firstHeading" lang="en">Crossfade Clips</h1>
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<div id="bodyContent" class="mw-body-content">
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<div id="siteSub">From Audacity Development Manual</div>
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<div id="jump-to-nav" class="mw-jump">Jump to: <a href="#column-one">navigation</a>, <a href="https://alphamanual.audacityteam.org/man/Crossfade_Clips#searchInput">search</a></div>
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<div id="mw-content-text" lang="en" dir="ltr" class="mw-content-ltr"><p><br />
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</p>
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<div class="intro"><i><b>Crossfade Clips</b></i> applies a simple crossfade to a selected pair of clips in a single audio track. <p>Note that any hidden clip audio data in either clip at the junction (or gap) will be discarded.</p><p> For more details on the use and management of clips please see <a href="audacity_tracks_and_clips.html" title="Audacity Tracks and Clips"><b>Audacity Tracks and Clips</b></a></p>
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<div style="margin-top:12px; margin-bottom:12px; margin-left:24px; margin-right:24px">
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<table style="background:#FEFFD0; color:black; border:1px solid #999999; padding-left:12px; padding-right:12px" width="100%" align="center">
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<td width="30px" valign="top" align="center"><img alt="Advice" src="../m/images/b/ba/warningicon.png" title="Advice" width="24" height="24" />
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</td>
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<td align="left" valign="top">Note carefully that when you apply an effect to a <a href="audacity_tracks_and_clips.html#speed" title="Audacity Tracks and Clips"><b>time-stretched clip</b></a> the changed speed of the clip will be automatically <a href="edit_menu_clip_boundaries.html#render" title="Edit Menu: Clip Boundaries"><b>rendered</b></a>.
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<ul><li>If you apply an effect to a selection within a time-stretched clip then Audacity will <a href="audacity_tracks_and_clips.html#split" title="Audacity Tracks and Clips"><b>split the original clip</b></a> so that the selection can be rendered as part of applying the effect.</li></ul>
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</td></tr></table></div>
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<dl><dd><b>Accessed by:</b> <span class="menu">Effect > Fading > Crossfade Clips</span></dd></dl>
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<dl><dd>There are no parameters to set for this effect; the effect operates on the audio that is currently selected.</dd></dl>
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<dl><dd>If the crossfade takes an appreciable time, a progress dialog will appear as below:</dd></dl>
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<dl><dd><span title="Dialog box showing the Crossfade Clips effect in progress"><img alt="Crossfade Clips W10.png" src="../m/images/a/a1/crossfade_clips_w10.png" width="302" height="176" /></span></dd>
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<dd><b>Crossfade Clips progress dialog</b></dd></dl>
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<h2><span class="mw-headline" id="Instructions">Instructions</span></h2>
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<ol><li>Place two <a href="audacity_tracks_and_clips.html" title="Audacity Tracks and Clips">audio clips</a> into the same track.</li>
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<li>Select (approximately) the same amount of audio from the end of one clip and the start of the other.</li>
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<li>Apply the effect.</li>
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<li>The selected regions will be crossfaded.</li></ol>
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<p>Note, the audio clips do not need to be touching. Any white-space between the clips is ignored.
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</p><p>If the selected region is continuous audio with no splits, the first half and last half of the selected audio will be crossfaded.
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</p>
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<div class="note"><b>Advanced Tip:</b> A discontinuity in a waveform, such as a large click, may be smoothed by applying a short crossfade across the glitch. </div>
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<h2><span class="mw-headline" id="Limitations">Limitations</span></h2>
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<p>These should not occur in normal usage:
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</p>
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<ul><li> There may be no more than two clips selected in each channel.</li>
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<li> The selection may not start or end in white-space.</li></ul>
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<div id="examples"></div>
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<h2><span class="mw-headline" id="Examples">Examples</span></h2>
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<div class="example"><b>Example of using the effect for a simple crossfade</b>
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<p>1) Place your audio clips end to end in a track.
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</p>
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<dl><dd><span title="Two audio clips placed end to end in a track"><img alt="Xfade Example-1 - 3-3-0.png" src="../m/images/2/25/xfade_example_1_3_3_0.png" width="684" height="295" /></span></dd></dl>
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<p>2) Zoom in a bit.
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</p>
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<dl><dd><span title="Zoomed in on the two tracks"><img alt="Xfade Example-2 - 3-3-0.png" src="../m/images/6/64/xfade_example_2_3_3_0.png" width="686" height="295" /></span></dd></dl>
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<p>3) Select the part that you want to crossfade (does not matter if the tracks are right up against each other or not - just select the parts to crossfade).
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</p>
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<dl><dd><span title="Part of both tracks selected for the simple crossfade"><img alt="Xfade Example-3 - 3-3-0.png" src="../m/images/3/38/xfade_example_3_3_3_0.png" width="680" height="295" /></span></dd></dl>
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<p>4) Select the <span class="menu">Effect > Fading > Crossfade Clips</span>.
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</p><p>5) Simple crossfade completed. Note that the clips are no joined, there is no longer a split and the clip takes the clip-name of the left-most clip.
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</p>
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<dl><dd><span title="Simple crossfade complete"><img alt="Xfade Example-4 - 3-3-0.png" src="../m/images/5/5e/xfade_example_4_3_3_0.png" width="683" height="295" /></span></div></dd></dl>
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<p><br />
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</p>
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<div class="example"><b>Example of using the effect to repair a glitch</b>
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<p>You can use <b>Crossfade Clips</b> to fix glitches when there are no convenient zero crossing points for making a clean edit.
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1) Audio surrounding the glitch is selected
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</p>
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<dl><dd><span title="Selecting around the glitch"><img alt="Glitch repair before.png" src="../m/images/2/2f/glitch_repair_before.png" width="626" height="302" /></span></dd></dl>
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<p>2) Using <span class="menu">Effect > Crossfade Clips</span> repairs the glitch.
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</p>
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<dl><dd><span title="The glitch repaired"><img alt="Glitch repair after.png" src="../m/images/4/49/glitch_repair_after.png" width="626" height="302" /></span></div></dd></dl>
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</p><p><a href="effect_menu.html" title="Effect Menu"><b>|<</b> Effect Menu</a>.
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<div align="center"><ul id="f_list"><li>This version created on 2025-12-04 - <a href="https://alphamanual.audacityteam.org/man/Crossfade_Clips">Check current version of this page (development Manual)</a></li></ul></div>
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