2.17 时间选区和时间循环——REAPER用户手册中文版

琴韵晓波

楼主 琴韵晓波说：
2.17 Time Selections and Time Loops
2.17 时间选区和时间循环

You might need to work on just a part of your project for a while. To do this, first check the Options menu to see if Loop Points Linked to Time Selection is enabled. If it is, then making a time selection and defining a loop are the same thing. If not, then making a time selection and defining a loop become two different things.
您可能只需要在工程的某一部分工作一段时间。要执行此操作,请首先检查“选项”菜单,查看是否启用了“链接循环点到时间选区”。如果是,那么时间选区和定义循环是一回事。如果没有,那么时间选区和定义循环就成了两码事了。
Either way, to define a loop area click and drag along the timeline. The start and end of the loop are marked by two small equilateral triangular indents.
无论哪种方式,要定义循环区域,请单击并沿时间轴拖动。循环的开始和结束由两个小的等边三角形缩进来标记。
?  Stop the playback at or near the point where you want your loop to begin (or click your mouse in the background area) to move the Edit Cursor there.
在循环开始的点或附近停止播放(或在背景区域单击鼠标),将“编辑光标”移动到那里。
?  Place your mouse over the Timeline (just above the first track), then click and drag along it, releasing the mouse to define the exact area to be looped. The effect of this is shown below. Notice the start and end of the loop, marked by two small equilateral triangles.
“……”将鼠标放在时间轴上(在第一条轨道的正上方),然后沿时间轴单击并拖动,松开鼠标以定义要循环的确切区域。其效果如下所示。请注意,循环的开始点和结束点,由两个小等边三角形标记。
If when you attempt this, the selection snaps outwards to define a larger area than you want, then REAPER has snapping enabled. Snapping will be discussed in detail in Chapter 7: The shortcut keys Alt S toggle snapping on and off.
如果尝试此操作时,选区向外吸附到比您想定义的区域更大,则REAPER已启用“吸附”。吸附将在第7章中详细讨论: 快捷键Alt+S切换吸附的打开和关闭。
Tip: To set the loop selection to match a media item, hold  Ctrl while you double click on that item. To set the time selection to match a media item, hold Shift while you double-click on the item.
提示:要设置循环选择以匹配媒体对象,请在双击该对象的同时按住Ctrl键。要设置时间选区以匹配媒体对象,请在双击媒体对象时按住Shift键。
Now when you play the project, provided that the loop (toggle repeat) button on the transport bar is engaged, itwill replay over again the area selected for your Loop. If loop points are linked to time selection, the start time, finish time and duration of the selection are also shown on the Transport Bar. Pressing the R key toggles this repeat function on and off.
现在,当您播放工程时,如果走带栏上的循环(切换重复)按钮处于激活状态,它将再次播放您的循环选择区域。如果循环点已链接到时间选区,则选择的开始时间、结束时间和持续时间也会显示在走带栏上。按R键可打开和关闭此重复功能。
There is also the option (under Options, Preferences on the Playback page) to stop playback at the end of a loop when the repeat function is disabled.
当重复功能被禁用时,还有一个选项(在“选项”--“首选项”的播放页面)可以在循环结束时停止回放。
To change the area defined as your loop, repeat the original procedure. To clear the loop altogether, without defining a new one, press the Escape key.
要更改定义为循环的区域,请重复原始步骤。要完全清除循环,而不定义新循环,请按Esc键。
If loop points are not linked to time selection, you can define a time selection by clicking and dragging in the space underneath or between the media items, in the arrange view background area.
如果循环点未链接到时间选区,则可以通过在排列视图背景区域中,媒体对象下方或之间的空白中,单击并拖动,来定义时间选区。
Note that when you mark a time selection, a tooltip pops up which shows the start position, end position and length of your selection.
请注意,当您标记时间选区时,会弹出一个工具提示,显示选区的开始位置、结束位置和长度。
Right clicking on the Timeline then gives you a menu of commands which you can apply to a time selection,including Zoom Selection.
在时间轴上单击鼠标右键会给出一个命令菜单,您可以将这些命令应用于时间选区,包括缩放选区。
You can also use this menu to change the units used on the timeline -
您还可以使用此菜单更改时间轴上使用的单位-
for example,Minutes:Seconds, Measures:Beats, Measures:Beats and Minutes:Seconds, Measures.Beats(minimal), Measures.Beats (minimal) and Minutes/Seconds (as in the example above right), Seconds,Samples,  Hours:Minutes:Seconds:Frames or Absolute Frames.
例如,“分:秒”、“小节:拍”、“小节:拍和分:秒”、“小节.拍(最小)”、“小节.拍(最小)和分/秒”(如上图所示)、“秒”、“采样点”、“时:分:秒:帧”或“绝对帧”。
The other commands  on this menu will be discussed elsewhere in this User Guide, as the need arises. These arefeatures that you are likely to find useful when editing your files.
如果需要,此菜单上的其他命令将在本《用户指南》的其他部分进行讨论。这些是您在编辑文件时可能会发现有用的功能。
Incidentally, to zoom out of a time selection and restore a whole project length to view, press Ctrl PgDown.
顺便说一句,缩放时间选区的显示到可以查看整个工程的长度,请按Ctrl+下翻页键。
There's more about loops and time selections elsewhere in this guide, e.g. Chapter 9.
在本指南的其他地方有更多关于循环和时间选区的内容,例如第9章。

琴韵晓波

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