This is the sixth module, entitled Editing In Motion, in the Apple Motion^R video tutorial series by macProVideo. In this part, Michael Wohl gives a tour of the Motion Timeline and thoroughly demonstrates its many features.

Wohl takes a closer look at the Timeline Track area, where most of the work is done. He points out the similarities between the Layers pane, the Timeline and the Mini Timeline. He demonstrates how to work with group and individual Timeline tracks.

The next topic is about manipulating the duration of a track on the Timeline by setting the In and Out points for a layer or group. Wohl demonstrates how to do this on the Timeline and with the menu commands. Then, he demonstrates how to change the position of a keyframe on the Timeline and how to mark the play range. Taking a closer look at layer groups and the individual layers, Wohl demonstrates how to split a clip into two or more sections and discusses the options when adding or deleting clips within an existing group. He also demonstrates the slipping process, to control which section of a clip will play in the track. One nice Motion feature that can help your work flow is markers. Wohl covers markers in depth from adding, editing and deleting markers.

The next major topic is speed changes and the many ways to retime a clip. Wohl begins with simple speed changes that will slow or speed up the playback, by dragging the Timeline track. For more refined changes, he demonstrates how to use the controls in the Inspector. Next he discusses frame blending controls in the Inspector such as Blending, Motion Blur and Optical Flow. He also demonstrates how to apply a loop and freeze frame effect via the controls in the Inspector, by using the Retiming Behaviors and Time-Changing Filters from the Library.

In the last few sections, Wohl covers working with audio in Motion. He tours the Audio tab in the Project pane and demonstrates how to mute the audio while working and how to use the Master Audio controls. Next, he discusses how to add and mix audio clips. He introduces the Audio Timeline and how to unlink the audio and video from a clip. He demonstrates how to create a pan and a cross fade between two audio clips and how to work with the audio waveform and keyframes in the editor. Finally, Wohl covers the Audio Behaviors for pan and fade in/out. He also demonstrates how to use the Audio Parameter Behaviors to animated a parameter of an object in sync with the amplitude changes in the audio.

https://www.macprovideo.com/tutorials/motion-application

Disclosure: I was given free access to the video training for the purpose of this review article. The opinions are completely my own based on my experience.