Playback stops at end of track instead of selection?

Using Audacity 2.0.5 with OSX 10.8.2. Today when trying to loop a single stereo recording I noticed playback looping at the end of the track (3.95) instead of at the end of the selection (4.40), is there an option I’m not aware of that toggles this? I’m positive this didn’t happen before… Please help!!
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The end of the audio appears to be at 3.95 seconds. If so looping will end there and nothing will be exported after 3.95 seconds.

If you want to loop up to 4.4 seconds, drag from there to 3.95 seconds (release the mouse when the yellow vertical line appears) then Generate > Silence… .


It is possible that the looping is possible after using the nyquist prompt with:


The start of the selection does not need to be exact. You can select from 4.1 seconds to 4.4 seconds and generate (0.3 seconds) silence, or select from 4.321 seconds to 4.4 seconds and generate (0.079 seconds) of silence. The important thing is that there is audio up to 4.4 seconds, then you can just select the track and loop-play.

Alternatively, you can “loop” the selection (including trailing “white space”) using the “Repeat” effect: Audacity Manual