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<!doctype html><html lang=en class="js csstransforms3d"><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=generator content="Hugo 0.94.2"><meta name=description content><link rel=icon href=/images/favicon.png type=image/png><title>Stretching & shrinking regions :: Ardour tutorial</title><link href=/css/nucleus.css?1647857209 rel=stylesheet><link href=/css/fontawesome-all.min.css?1647857209 rel=stylesheet><link href=/css/hybrid.css?1647857209 rel=stylesheet><link href=/css/featherlight.min.css?1647857209 rel=stylesheet><link href=/css/perfect-scrollbar.min.css?1647857209 rel=stylesheet><link href=/css/auto-complete.css?1647857209 rel=stylesheet><link href=/css/atom-one-dark-reasonable.css?1647857209 rel=stylesheet><link href=/css/theme.css?1647857209 rel=stylesheet><link href=/css/tabs.css?1647857209 rel=stylesheet><link href=/css/hugo-theme.css?1647857209 rel=stylesheet><link href=/css/theme-blue.css?1647857209 rel=stylesheet><script src=/js/jquery-3.3.1.min.js?1647857209></script><style>:root #header+#content>#left>#rlblock_left{display:none!important}:not(pre)>code+span.copy-to-clipboard{display:none}</style></head><body data-url=/en/editing-sessions/stretching-shrinking-regions/><nav id=sidebar><div id=header-wrapper><div id=header><a id=logo href=/en><svg id="Layer_1" width="92" height="80" viewBox="0 0 92 80" enable-background="new 0 0 92 80" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg"><defs id="defs6"/><path id="path6984" fill="#c61f40" d="M45.586.44-.082 79.558c3.356.0 2.828-2.382 4.417-2.382 1.681.004 1.367 1.19 2.951 1.19.814.0 1.467-.806 1.466-2.804.0-2.664.661-4.017 1.476-4.017s1.476 1.187 1.476 2.372c0 1.492.662 2.678 1.476 2.678.814.0 1.477-2.019 1.477-4.512l-.01-2.857c0-3.447.661-6.24 1.476-6.24s1.477 1.207 1.476 5.112c0 3.104.662 6.198 1.476 6.198s1.478-3.602 1.477-9.382c0-6.68.65-10.996 1.465-10.996s1.477 4.32 1.476 8.582c0 4.977.662 9.878 1.477 9.878s1.477-4.902 1.476-11.701c0-7.302.651-12.609 1.466-12.609.813.0 1.477 5.308 1.476 11.406.0 6.4.661 11.955 1.476 11.955s1.476-5.551 1.476-12.661c0-7.109.651-12.766 1.466-12.766s1.476 5.656 1.476 12.649c0 6.994.662 12.641 1.476 12.641s1.477-5.65 1.477-12.397c0-6.602.65-12.135 1.465-12.135s1.476 5.53 1.476 12.746c0 6.952.663 12.271 1.477 12.271.813.0 1.477-5.318 1.476-11.332.0-5.651.651-10.669 1.465-10.669s1.478 5.027 1.477 11.882c0 6.413.661 11.068 1.476 11.068s1.477-4.657 1.476-9.667c0-4.514.651-8.781 1.466-8.781s1.477 4.265 1.476 10.32c0 5.522.662 9.351 1.476 9.351s1.477-3.825 1.477-7.727c0-3.353.65-6.737 1.465-6.737s1.476 3.382 1.476 8.382c0 4.449.662 7.389 1.477 7.389s1.476-2.586 1.476-5.407c0-2.911.662-5.145 1.476-5.145s1.466 2.501 1.466 6.356c0 3.345.661 5.439 1.476 5.439s1.476-1.732 1.476-3.479c0-1.801.662-3.563 1.477-3.563.813.0 1.465 1.703 1.465 4.459.0 2.317.662 3.668 1.477 3.668s1.477-.941 1.477-2.034c0-1.438.661-2.098 1.476-2.098s1.466.987 1.466 2.814c0 1.44.661 2.192 1.476 2.192 1.539.0 1.331-1.917 2.951-1.929 1.773.0 1.253 2.571 2.941 2.571 1.217.0 2.159-.469 2.952-.474 1.316.0 1.408.928 4.416.928L45.588.44H45.586z" style="fill:#000"/></svg></a></div><div class=searchbox><label for=search-by><i class="fas fa-search"></i></label>
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<script type=text/javascript>var baseurl="//en"</script><script type=text/javascript src=/js/search.js?1647857209></script></div><section id=homelinks><ul><li><a class=padding href=/en><i class="fas fa-home"></i> Home</a></li></ul></section><div class=highlightable><ul class=topics><li data-nav-id=/en/introduction/ title=Introduction class=dd-item><a href=/en/introduction/><b>1. </b>Introduction</a><ul><li data-nav-id=/en/introduction/conventions/ title=Conventions class=dd-item><a href=/en/introduction/conventions/>Conventions</a></li><li data-nav-id=/en/introduction/what-is-digital-audio/ title="What is digital audio?" class=dd-item><a href=/en/introduction/what-is-digital-audio/>What is digital audio?</a></li></ul></li><li data-nav-id=/en/getting-started/ title="Getting started" class=dd-item><a href=/en/getting-started/><b>2. </b>Getting started</a><ul><li data-nav-id=/en/getting-started/starting-jack/ title="Starting JACK" class=dd-item><a href=/en/getting-started/starting-jack/>Starting JACK</a></li><li data-nav-id=/en/getting-started/starting-ardour-on-ubuntu/ title="Starting Ardour" class=dd-item><a href=/en/getting-started/starting-ardour-on-ubuntu/>Starting Ardour</a></li><li data-nav-id=/en/getting-started/overview-of-the-interface/ title="Overview of the Interface" class=dd-item><a href=/en/getting-started/overview-of-the-interface/>Overview of the Interface</a></li></ul></li><li data-nav-id=/en/starting-sessions/ title="Starting sessions" class=dd-item><a href=/en/starting-sessions/><b>3. </b>Starting sessions</a><ul><li data-nav-id=/en/starting-sessions/starting-a-session/ title="Starting a session" class=dd-item><a href=/en/starting-sessions/starting-a-session/>Starting a session</a></li><li data-nav-id=/en/starting-sessions/setting-up-the-timeline/ title="Setting up the timeline" class=dd-item><a href=/en/starting-sessions/setting-up-the-timeline/>Setting up the timeline</a></li><li data-nav-id=/en/starting-sessions/creating-a-track-or-bus/ title="Creating a track or a bus" class=dd-item><a href=/en/starting-sessions/creating-a-track-or-bus/>Creating a track or a bus</a></li><li data-nav-id=/en/starting-sessions/importing-audio/ title="Importing audio" class=dd-item><a href=/en/starting-sessions/importing-audio/>Importing audio</a></li><li data-nav-id=/en/starting-sessions/recording-audio/ title="Recording audio" class=dd-item><a href=/en/starting-sessions/recording-audio/>Recording audio</a></li><li data-nav-id=/en/starting-sessions/understanding-routing/ title="Understanding routing" class=dd-item><a href=/en/starting-sessions/understanding-routing/>Understanding routing</a></li><li data-nav-id=/en/starting-sessions/routing-between-applications/ title="Routing between applications" class=dd-item><a href=/en/starting-sessions/routing-between-applications/>Routing between applications</a></li></ul></li><li data-nav-id=/en/editing-sessions/ title="Editing sessions" class="dd-item
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parent"><a href=/en/editing-sessions/><b>4. </b>Editing sessions</a><ul><li data-nav-id=/en/editing-sessions/arranging-tracks/ title="Arranging tracks" class=dd-item><a href=/en/editing-sessions/arranging-tracks/>Arranging tracks</a></li><li data-nav-id=/en/editing-sessions/setting-up-the-meter/ title="Setting up the meter" class=dd-item><a href=/en/editing-sessions/setting-up-the-meter/>Setting up the meter</a></li><li data-nav-id=/en/editing-sessions/using-ranges/ title="Using ranges" class=dd-item><a href=/en/editing-sessions/using-ranges/>Using ranges</a></li><li data-nav-id=/en/editing-sessions/working-with-regions/ title="Working with regions" class=dd-item><a href=/en/editing-sessions/working-with-regions/>Working with regions</a></li><li data-nav-id=/en/editing-sessions/further-region-operations/ title="Further region operations" class=dd-item><a href=/en/editing-sessions/further-region-operations/>Further region operations</a></li><li data-nav-id=/en/editing-sessions/changing-edit-modes/ title="Changing edit modes" class=dd-item><a href=/en/editing-sessions/changing-edit-modes/>Changing edit modes</a></li><li data-nav-id=/en/editing-sessions/creating-looped-sections/ title="Creating looped sections" class=dd-item><a href=/en/editing-sessions/creating-looped-sections/>Creating looped sections</a></li><li data-nav-id=/en/editing-sessions/stretching-shrinking-regions/ title="Stretching & shrinking regions" class="dd-item active"><a href=/en/editing-sessions/stretching-shrinking-regions/>Stretching & shrinking regions</a></li></ul></li><li data-nav-id=/en/mixing-sessions/ title="Mixing sessions" class=dd-item><a href=/en/mixing-sessions/><b>5. </b>Mixing sessions</a><ul><li data-nav-id=/en/mixing-sessions/the-mixer-strip/ title="The mixer strip" class=dd-item><a href=/en/mixing-sessions/the-mixer-strip/>The mixer strip</a></li><li data-nav-id=/en/mixing-sessions/mixing-levels/ title="Mixing levels" class=dd-item><a href=/en/mixing-sessions/mixing-levels/>Mixing levels</a></li><li data-nav-id=/en/mixing-sessions/panning/ title=Panning class=dd-item><a href=/en/mixing-sessions/panning/>Panning</a></li><li data-nav-id=/en/mixing-sessions/using-plugins/ title="Using plugins" class=dd-item><a href=/en/mixing-sessions/using-plugins/>Using plugins</a></li><li data-nav-id=/en/mixing-sessions/using-sends/ title="Using sends" class=dd-item><a href=/en/mixing-sessions/using-sends/>Using sends</a></li><li data-nav-id=/en/mixing-sessions/dynamics/ title=Dynamics class=dd-item><a href=/en/mixing-sessions/dynamics/>Dynamics</a></li><li data-nav-id=/en/mixing-sessions/equalizing/ title=Equalizing class=dd-item><a href=/en/mixing-sessions/equalizing/>Equalizing</a></li><li data-nav-id=/en/mixing-sessions/using-automation/ title="Using automation" class=dd-item><a href=/en/mixing-sessions/using-automation/>Using automation</a></li></ul></li><li data-nav-id=/en/exporting-sessions/ title="Exporting sessions" class=dd-item><a href=/en/exporting-sessions/><b>6. </b>Exporting sessions</a><ul><li data-nav-id=/en/exporting-sessions/exporting-a-region/ title="Exporting regions" class=dd-item><a href=/en/exporting-sessions/exporting-a-region/>Exporting regions</a></li><li data-nav-id=/en/exporting-sessions/exporting-a-range/ title="Exporting a range" class=dd-item><a href=/en/exporting-sessions/exporting-a-range/>Exporting a range</a></li><li data-nav-id=/en/exporting-sessions/exporting-a-session/ title="Exporting a session" class=dd-item><a href=/en/exporting-sessions/exporting-a-session/>Exporting a session</a></li></ul></li><li data-nav-id=/en/saving-sessions/ title="Saving sessions" class=dd-item><a href=/en/saving-sessions/><b>7. </b>Saving sessions</a><ul><li data-nav-id=/en/saving-sessions/saving-a-session/ title="Saving a session" class=dd-item><a href=/en/saving-sessions/saving-a-session/>Saving a session</a></li><li data-nav-id=/en/saving-sessions/saving-a-snapshot/ title="Saving a snapshot" class=dd-item><a href=/en/saving-sessions/saving-a-snapshot/>Saving a snapshot</a></li><li data-nav-id=/en/saving-sessions/saving-a-template/ title="Saving a template" class=dd-item><a href=/en/saving-sessions/saving-a-template/>Saving a template</a></li></ul></li><li data-nav-id=/en/appendices/ title=Appendices class=dd-item><a href=/en/appendices/><b>8. </b>Appendices</a><ul><li data-nav-id=/en/appendices/further-help/ title="Further help" class=dd-item><a href=/en/appendices/further-help/>Further help</a></li><li data-nav-id=/en/appendices/glossary/ title=Glossary class=dd-item><a href=/en/appendices/glossary/>Glossary</a></li><li data-nav-id=/en/appendices/links/ title=Links class=dd-item><a href=/en/appendices/links/>Links</a></li><li data-nav-id=/en/appendices/credits/ title=Credits class=dd-item><a href=/en/appendices/credits/>Credits</a></li><li data-nav-id=/en/appendices/license/ title=License class=dd-item><a href=/en/appendices/license/>License</a></li></ul></li></ul><section id=shortcuts><h3>More</h3><ul><li><a class=padding href=https://github.com/brunoruviaro/ardour4-tutorial/><i class="fab fa-fw fa-github"></i> This tutorial on GitHub</a></li><li><a class=padding href=https://ardour.org/><i class="fas fa-fw fa-home"></i> Ardour's homepage</a></li><li><a class=padding href=https://manual.ardour.org><i class="fas fa-fw fa-bookmark"></i> User manual</a></li><li><a class=padding href=https://discourse.ardour.org/><i class="fas fa-fw fa-users"></i> Forum</a></li><li><a class=padding href=en/appendices/credits><i class="fas fa-fw fa-bullhorn"></i> Credits</a></li></ul></section><section id=prefooter><hr><ul><li><a class=padding><i class="fas fa-language fa-fw"></i><div class=select-style><select id=select-language onchange="location=this.value"><option id=en value=/en/editing-sessions/stretching-shrinking-regions/ selected>English</option></select><svg id="Capa_1" 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<span class=links><a href=/en/>Home</a> > <a href=/en/editing-sessions/>Editing sessions</a> > Stretching & shrinking regions
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</span></div><div class=progress><div class=wrapper><nav id=TableOfContents><ul><li><a href=#time-stretching-a-region-to-fit-the-loop>Time-Stretching a Region to Fit the Loop</a></li><li><a href=#continuing>Continuing</a></li></ul></nav></div></div></div></div><div id=head-tags></div><div id=body-inner><h1>Stretching & shrinking regions</h1><p>Regions can be stretched or shrunk in length without changing their
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Pitch by using the <strong>Stretch/Shrink Regions</strong> tool (shortcut “<em>T</em>”, for
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“Time stretch”).</p><p>A small adjustment to the length of a Region may not
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cause noticeable sound <strong>Artifacts</strong>. However, the more extreme the
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change in length, the more obvious the effect of processing on the
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sound.</p><p><img src=en/Ardour4_EditModes_T.png alt=stretch></p><p>To use <strong>Stretch/Shrink Regions</strong>, place your cursor on top of the
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region, and then Click-drag left or right. While dragging, you will see
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a highlighted area, which represents the new duration to which the
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Region will be shrunk or stretched when you release the mouse at the
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current position.</p><p><img src=en/Ardour4_Stretch_Shrink_Action.png alt=stretching></p><h2 id=time-stretching-a-region-to-fit-the-loop>Time-Stretching a Region to Fit the Loop</h2><p>In the image below, we’ve added another sound sample—this time, a
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synthesizer line—from <a href=http://www.freesound.org>freesound.org</a> to the
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rhythmic passage we composed in the <strong>Creating Looped Sections</strong> chapter
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(search for “1168 so synth” in the <strong>Search Freesound</strong> tab of Ardour if
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you’d like to get the same sample. Import it as a new track).</p><p>After importing this synth line, we see that the length of our new
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Region doesn’t match the existing rhythm we’ve already created. It’s too
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long to be one bar and too short to be two bars.</p><p><img src=en/Ardour4_Stretch_Shrink_1.png alt=stretch1></p><p>We can correct this by using the Stretch/Shrink tool. Select the Region
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you wish to stretch, and drag the new length to the end of the second
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Bar, again assisted by the Grid settings.</p><p>When you release the mouse button, the <strong>Time Stretch Audio</strong> dialog will
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appear. You can experiment with different settings for the Time Stretch
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operation. Each will affect the sound in different ways. It’s a good
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idea to experiment with a few different stretch settings to find out
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which gives the result you’re most happy with.</p><p><img src=en/Ardour4_Stretch_Shrink_2.png alt=stretch2> </p><p>Click <strong>Stretch/Shrink</strong> in the Time Stretch dialog to start the
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operation.</p><p>When the Time Stretch operation is complete, the region of the
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synthesizer line will now be exactly two Bars long, and should fit in
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with the rhythm we already created with the drum samples.</p><p><img src=en/Ardour4_Stretch_Shrink_3.png alt=stretch3></p><h2 id=continuing>Continuing</h2><p>This was the last chapter of the <strong>Editing Regions</strong> section. Next we go into Mixing.</p><p>Next: <a href=../the-mixer-strip>MIXING SESSIONS</a></p><footer class=footline></footer></div></div><div id=navigation></div></section><div style=left:-1000px;overflow:scroll;position:absolute;top:-1000px;border:none;box-sizing:content-box;height:200px;margin:0;padding:0;width:200px><div style=border:none;box-sizing:content-box;height:200px;margin:0;padding:0;width:200px></div></div><script src=/js/clipboard.min.js?1647857209></script>
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