294 lines
12 KiB
Markdown
294 lines
12 KiB
Markdown
+++
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title = "Working with regions"
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chapter = false
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weight = 4
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#pre = "<b>1. </b>"
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+++
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Sections of audio are called **Regions** in Ardour.
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To compose the short rhythmic passage we've been working on, we will need to know how
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to **Select**, **Move**, **Split** and **Trim** these Regions, as well
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as how to **Fade In** or **Fade Out** their volume and create
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**Crossfades** between them. Some of these options may need to happen at
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specific **Edit Points** in the composition, or according to the musical
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**Meter** we can define with the **Timeline** and the **Grid** as well.
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## Selecting Regions
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The **Grab Mode** (shortcut "*G*") is the tool to select and move objects. It is located just below
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the Transport Menu in the Editor Window (the little "hand" icon). You
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will use this tool a lot in your Ardour work.
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When it is active, your mouse pointer will look like a little hand icon.
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Try all of the operations below, for practice:
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- Click on the Waveform of the region to select it. Click and drag on
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a region to move it around (left and right within the same track,
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but also up and down onto other tracks).
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- Use "*Control*" + "*Click*" to create and drag around a *copy* of
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the region.
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- You can select multiple regions by holding the "*Shift*" key while clicking on each region you want to select.
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- You can also drag a selection box over multiple Regions to select
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them all.
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- Move multiple regions at the same time after selecting them.
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- You can select several sequential regions on one track all at once
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by holding down the "Shift" key while selecting the first and the
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last Regions of the sequence (copy a few regions on the same track
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to try this out).
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- When you select a single Region, make sure to click on the Waveform
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section of its rectangle. The lower stripe with the Region name is
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used for a different action (see **Trimming Regions** below).
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- Use the "Del" key to delete selected regions.
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- Standard copy ("*Control*" + "*C*"), cut ("*Control*" + "X"), and
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paste ("*Control*" + "V") operations also work with regions.
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## Moving Regions
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While moving a Region, a **Timecode** will appear on the screen in
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yellow numbers. This Timecode is the Region's starting point on the
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**Timeline**. The unit of this timecode is the same as the unit of the
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First Clock, which you can change by right-clicking on the Second Clock
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and choosing a new unit (Minutes:Seconds, Bar:Beats, etc).
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You can move Regions horizontally (sideways) to a different point in
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time on the same Track, or you can move the selected Region vertically
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(up or down) to a different Track.
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When a set of one or more Regions is selected, you can move the whole
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set by dragging with the mouse.
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{{% notice note %}}
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Make sure to select the Region in its waveform section, because
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selecting the bottom title bar area is used for a different action (see
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**Trimming Regions** below).
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{{% /notice %}}
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## Duplicating Regions
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In addition to "*Control*" + "*Click*" + *drag* and standard copy/paste,
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Ardour offers other handy ways to duplicate regions. Use the Grab Mode (Select/Move
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Objects) to select one or more Regions, then use the **Duplicate**
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function to make one or more copies (menu *Regions > Duplicate*).
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Three options are available:
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- **Duplicate** (shortcut "*Alt*" + "*D*"): make a copy of the
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selected region on the same track, immediately after the original.
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- **Multi-Duplicate** (shortcut "*Shift*" + "*D*"): make multiple
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copies of the selected region at once (same track, in sequence). You
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can specify the number of duplications.
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- **Fill Track**: make as many copies of the selected region as needed
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to fill the entire track, all the way up to the **End** marker on
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the timeline.
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In the following screenshot, regions have been duplicated using the
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methods above.
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## Using Edit Points
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When you use the standard copy/cut/paste commands, where exactly will
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the regions be pasted? The exact location is determined by the **Edit
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Point** drop-down menu.
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If **Mouse** is selected as the Edit Point, the copied Region will be
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pasted at the current position of the mouse.
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If **Playhead** is selected as the Edit Point, the copied Region will be
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pasted at red Playhead line on the same Track where the original Region
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is.
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Finally, if **Marker** is selected as the Edit Point, then the copied
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Region will be pasted immediately after the currently selected
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**Location Marker**.
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## Markers
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It is very useful to be able to tag different locations in a session for
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later use when editing and mixing. Ardour supports several ways for
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doing this. The most common method is using **Location Markers**, which
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define specific positions in time.
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Location Markers can be added to the Timeline by right-clicking on the
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Location Markers strip and selecting **Add New Location Marker**. If you
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don't see the Location Markers strip, right-click on the timeline and
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select it to make it visible. Location Markers can also be selected with
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the mouse and moved to new positions. Right-clicking on a location
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marker lets you rename the marker, among other options.
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{{% notice tip %}}
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When you first create a new session, two location markers are
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automatically added by default. These are the **start** and **end**
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markers that you see in the screenshot above. If you don't see the
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**end** marker, zoom out enough and you will find it.
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{{% /notice %}}
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## Splitting Regions
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To **Split** a Region simply means to divide a single Region into two
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independent Regions. There are two ways of accomplishing this:
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* You can use the Cut Mode (shortcut *"C"*) to point and click anywhere you want to split; or
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* You can stay in Grab Mode and use the shortcut *"S"* (for "Split"). In this last case, the point at which a Region will be split depends
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on the currently selected Edit Point. If Mouse is selected as your
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current Edit Point, select a Region and place the cursor at the point
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you would like to Split, then type "*S*" (same as going to menu **Edit** > **Split Region**).
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After being split, the original single Region becomes two independent regions,
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with a new name for each, as in the image above. The two new regions are now
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entirely independent. You can move and edit them separately.
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Regions can also be split by using the Playhead or a Marker as the Edit
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Point.
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Split Regions will receive a name derived from the original name of its parent region, and you will see
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this reflected in your regions List. For example, in the image above, you see two regions called pink.15 and pink.16, which means there were split from a parent Region called "pink" (not shown in image).
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{{% notice tip %}}
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Splitting ranges will follow your Grid settings. For example, if you have an active Grid set for Bars, splits will happen at the bar boundaries. If you choose "No Grid", splits will happen wherever the Edit point is, regardless of any Grid.
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{{% /notice %}}
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## Trimming Regions
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If you move the cursor near the left or right side edge of a Region, you will see that the pointer becomes an arrow. Click and drag inwards from either end of the Region, and the Region will be shortened
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accordingly. This is called **Trimming** the Region. Regions can be
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trimmed from the start of the Region (drag from left to right at the
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edge) or from the end (drag from right to left).
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This action is non-destructive: no audio is actually being deleted. It
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is as if you were just "hiding" those portions of the Region that you
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don't want or don't need anymore. Later on, you can "un-trim" the Region
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(i.e., extend it back to its original full size), even if it has been
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moved or copied to a new Track.
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{{% notice tip %}}
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Like Splitting, Trimming will obey **Grid** settings. If you don't want your
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trimming to be constrained to any grid, simply turn the grid off (**No
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Grid**).
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{{% /notice %}}
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## Deleted Regions
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Because Ardour is non-destructive, the Regions you have deleted from
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tracks are not completely removed from the Session. They can always be
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accessed again from the Region List on the far right side of the Editor
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Window (Regions can be dragged from the list onto any tracks).
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## Creating Fades in Regions
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A **Fade** is a change in the volume of a Region, either as the Region
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starts or as it ends. A Fade at the start of the Region is a **Fade
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In**, and at the end of a Region it is a **Fade Out**. Each Region has
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two small handles along the top corners, which can be dragged inwards
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from either edge to create a Fade In or Fade Out. The screenshot below
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shows a Fade In (indicated by the shaded area).
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In fact, every Region has a Fade In and Fade Out built-in. By default,
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the region fade is very short, and serves to avoid clicks in the
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transitions at the start and end of the region. By adjusting the regions
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fade length as shown above, a more gradual transition can be
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accomplished.
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By right-clicking on one of the Fades (the shaded area), the speed
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of the Fade can also be adjusted.
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## Crossfading Between Two Regions
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When one Region Fades Out while another Fades In, this is called a
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**Crossfade**. If the two Regions are in different Tracks, you can use
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the method described above with the Fade In and Fade Out handles. The
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following screenshot shows an example.
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However, if both Regions are in the same Track, you need to overlap them
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in order to create a crossfade. When regions overlap on the same track,
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Ardour treats them as *layers*, that is, one of the regions is
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considered to be on top of the other. The important rule to understand
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is:
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*The Fade In (or Fade Out) of the topmost region represents the
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crossfade between the two regions.*
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Once you understand this principle, it's easy to create and control
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crossfades between regions. Here's an example. The two separate regions
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seen below will be made to overlap in order to create a crossfade.
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Note that we did not add any extra Fade Out to the first region, but we
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did add a longer Fade In to the second region. Then we drag the second
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region partly on top of the first:
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The Fade In of the second region works now as the crossfade between the
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two regions. In other words, the first region will fade out in a mirror
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image way as the second region fades in.
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In order for this to work, though, we need to make sure that the region
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that has the desired fade is *on top* in Ardour's layering system. In
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order to change layering of regions, select a region and go to the menu
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*Region > Layering*.
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The difference may be hard to hear if you are doing this with the very
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short percussive sounds we imported earlier. To really hear the effect,
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import a couple of longer samples to try it out (for example, a sample
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of rain sounds, and another of a human voice). Overlap several seconds
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of your long samples on the same track. You will hear the difference as
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you move the second region to the bottom ("Lower to Bottom"), and then
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back to top ("Raise to Top"). When it's on top, we will hear the desired
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crossfade. When it's at the bottom, we will hear no crossfade, just an
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abrupt change from first to second region (assuming your first region
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has no Fade Out specified, as in the screenshots above).
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## Using Grid Settings
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Experiment with the **Grid** setting, as discussed in the **Setting Up
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the Timeline** chapter, to give different kinds of **Quantization**—in
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other words, to constrain the boundaries of each Region to certain grid
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points. Here, the Grid has been activated and set to **Beats/16**, to
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quantize the Regions to sixteenth notes within each bar. You may wish to
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Trim the endpoints of some of the samples, as discussed above, to fit
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within the metric structure you have set up (for example, the hihat
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samples in the screen below have been trimmed so that they don't not
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overlap with each other).
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## Continuing
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In the next chapter, we will explore a few more things you can do with Regions
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Next: [FURTHER REGION OPERATIONS](../further-region-operations)
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