How do I use Hiss Removal feature in CyberLink AudioDirector 5?

Hiss is the annoying middle or high frequency noise from microphone, cable or amplifier. To remove the hiss you can follow the steps below:

1. Go to Restore room.
2. Click on Hiss Removal.
3. Select smart analysis or preset for identifying the hiss.
4. Select the range of audio you want to apply the hiss removal to.