PRESONUS AudioBox Stereo Quick Start Manual page 24

4.4 Create a New Song in Studio One
22
5. Set the estimated length of your recording. You can
also set the type of time format you would like to use
(Notation Bars, Seconds, Samples, or Frames).
6. If you plan on importing loops into your Song, you may
want to select Stretch Audio Loops to Song Tempo so
that any loop of a known tempo in BPM (like those in the
included content library) will import at the correct tempo.
7. Click the OK button when you are finished.