HTC One M9 - Manual (Page 178)

Camera and Video 165
Note: You can only change the video playback speed of videos captured using the slow motion
scene in Camera.
1. Tap > > Gallery.
2. Open the video you want to play in full screen. You can identify slow motion videos by the
icon on the thumbnail.
3. Tap to switch between normal and slow motion playback.
4. To adjust the playback speed of the video, tap > Edit > Adjust playback speed.
5. Frame the sequence you want to slow down by moving the left and right sliders.
6. Drag the slider up or down to choose how fast you want the sequence to play.
7. Tap to watch the result.
8. Tap SAVE.
The edited video is saved as a new file. The original video remains unedited.
Trim Videos
While watching a video you've captured, you can trim it to remove unwanted scenes, and more.
1. Tap > > Gallery.
2. Open the video you want to play in full screen.
3. Tap the onscreen controls to pause or resume playback, adjust the volume, and more.
Tip: Tap to share the video on your home network.
4. To trim the video, tap > Edit.
5. Drag the trim sliders to the part where you want the video to begin and end.