The Transpose tool changes the pitch. The length of the audio file can be changed or retained. It is possible to adjust the length of the audio file to the faster playback speed.    
The following setting options are available:
Slider
Interval
Changes the pitch in the audio file.
Slider
Fine-tune
Permits fine tuning if retaining the original length causes distortion.
Check box
Maintain Original Length
Retains the original length of the audio file.
 


Transpose