How To trim audio run time in game?

Hello Friends,

I am working on  project where user can import audio from gallery and after importing user can trim any part of song or audio he want i have open gallery and imported the song but i dont understand how to let user trim that clip is there any asset or plugin available for this or any script. i have searched for plugin asset paid asset tutorial script i googled everything couldn't find a solution please help me 

thank you

How is the audio clip going to be used?
You could use a slider that uses the clip length as a percentage but rather than ‘trimming’ the audio you could store the start and end times to play the section of the clip