Range Selection Dialog

In the Audio Editor or the Audio Montage window, select the Edit tab, and click Range.

Start

Zero: The selection begins at the start of the file.
Cursor: The selection begins at the edit cursor.
End Position Minus Length: The selection begins at the specified end position minus the Specific Length value.
Start of Selection: The selection begins at the start of the current selection range.
End of Selection: The selection begins at the end of the current selection range.
Marker (with Name): The selection begins at the marker that is selected from the pop-up menu below.
Offset (±): Allows you to specify an offset for the selected start position.
Custom: Allows you to specify a start time for the selection. The time unit is the same as the time unit that is selected for the time ruler.

End of File: The selection ends at the end of the file.
Cursor: The selection ends at the edit cursor.
Start Position Plus Length: The selection ends at the specified start position plus the Specific Length value.
Start of Selection: The selection ends at the start of the current selection range.
End of Selection: The selection ends at the end of the current selection range.
Marker (with Name): The selection ends at the marker that is selected from the pop-up menu below.
Offset (±): Allows you to specify an offset for the selected end position.
Custom: Allows you to specify an end time for the selection. The time unit is the same as the time unit that is selected for the time ruler.

Specific Length: Allows you to specify the selection length.
Set as Selection Length: Clicking this button freezes the current selection length. This is useful if you want to move the selection.
Round Down Length: If this option is activated, the selection length is rounded down to the length specified in the value field.
Snap to Zero-Crossing: If this option is activated, the start and the end of a selected range always snap to a zero-crossing point of the waveform.
Channels: Select whether the selection spans the left channel, the right channel, or both.

With the play options, you can preview the specified audio range.

Play to: Plays the range before the specified position.
Play from: Plays the range after the specified position.
Play Once: Plays the selection once.
Play Looped: Plays the selection in a loop.
Play Duration: Sets the playback length. Note that this overrides the From/To parameters.