The annotation features inside the Motion Amplification® software allow you to embed text messages in the final exported MP4. You can use these features to document amplitude measurements.
NEW BEHAVIOR after update to Version 2.3
Use Motion Amplification® to add dynamic graphs and headings to your videos. Version 2.3 also allows you to embed Spectrum, Waveform, Spectrum & Waveform, and Orbits as annotations before the MP4 is created.
The Waveform and Orbit can even synchronize playback with the video so you see the waveform as the motion happens.
See the videos at these links for examples of the two different behaviors: