Pan and fade audio in Final Cut Pro for iPad
In Final Cut Pro for iPad, you can pan audio across stereo channels and add audio fade-ins and fade-outs.
Pan audio
Panning audio lets you distribute sound across the stereo spectrum to create balance or a special effect. For example, you can place more sound in the right channel of a stereo clip.
- In Final Cut Pro for iPad, open a project. 
- In the timeline, tap a clip whose audio you want to pan. 
- Tap Inspect in the lower-left corner of the screen, then tap  at the top of the inspector. at the top of the inspector.
- In the inspector, do one of the following: - Drag the Pan dial left or right. 
- Tap the number field above the Pan dial, then use the keypad to enter a new value. 
 
Fade audio
You can add audio fade-ins and fade-outs to clips or to the expanded audio components of clips in Final Cut Pro.
- In Final Cut Pro for iPad, open a project. 
- In the timeline, tap a clip whose audio you want to fade. 
- Tap Inspect in the lower-left corner of the screen, then tap  at the top of the inspector. at the top of the inspector.
- In the inspector, tap the number field next to Fade In or Fade Out, then drag the dial to change the fade time. - The number field in the inspector displays the fade duration in seconds, and a curved fade overlay appears at the beginning (for fade-ins) or end (for fade-outs) of the clip’s audio waveform in the timeline. 
- To change the audio dynamics of the fade, tap  to the right of Transition, then tap one of the following: to the right of Transition, then tap one of the following:- Linear: Maintains a constant rate of change over the length of the fade. 
- +3dB: Fade-ins start quickly and end slowly; fade-outs start slowly and end quickly. This is the default setting and is best for maintaining a natural volume when crossfading between two clips. 
- –3dB: Fade-ins start slowly and end quickly; fade-outs start quickly and end slowly. 
- S-curve: Eases in and out of the fade with the midpoint at 0 dB. 
 - The curved overlay on the clip’s waveform changes based on which option you tap. 
- When you’re finished making adjustments, tap outside the controls.