67 lines
2.4 KiB
Markdown
67 lines
2.4 KiB
Markdown
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title = "Stretching & shrinking regions"
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chapter = false
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weight = 8
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#pre = "<b>1. </b>"
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Regions can be stretched or shrunk in length without changing their
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Pitch by using the **Stretch/Shrink Regions** tool (shortcut "*T*", for
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"Time stretch").
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A small adjustment to the length of a Region may not
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cause noticeable sound **Artifacts**. 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.
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To use **Stretch/Shrink Regions**, 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.
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## Time-Stretching a Region to Fit the Loop
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In the image below, we've added another sound sample—this time, a
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synthesizer line—from [freesound.org](http://www.freesound.org) to the
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rhythmic passage we composed in the **Creating Looped Sections** chapter
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(search for "1168 so synth" in the **Search Freesound** tab of Ardour if
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you'd like to get the same sample. Import it as a new track).
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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.
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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.
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When you release the mouse button, the **Time Stretch Audio** 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.
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Click **Stretch/Shrink** in the Time Stretch dialog to start the
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operation.
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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.
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## Continuing
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This was the last chapter of the **Editing Regions** section. Next we go into Mixing.
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Next: [MIXING SESSIONS](../the-mixer-strip)
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