WEBVTT

1
00:00:00.000 --> 00:00:06.000
A schematic transducer releases expanding curved wave fronts. On-screen text: A pulse enters the scene.. Narration: A transducer sends high-frequency sound into tissue. Original stereo score.

2
00:00:06.000 --> 00:00:12.000
A distinct warm marker travels back through the layered scene. On-screen text: Boundaries return an echo.. Narration: Tissue boundaries reflect some of that sound. Original stereo score.

3
00:00:12.000 --> 00:00:18.000
Outgoing waves and returning markers remain visually separate. On-screen text: Timing tells a distance.. Narration: Echo timing helps estimate the boundary’s distance. Original stereo score.

4
00:00:18.000 --> 00:00:24.000
The full layered conceptual view closes without depicting a clinical scan. On-screen text: Echoes help build a view.. Narration: Returned signals help construct an ultrasound image. Original stereo score.