Hi there! I understand that in your VivaVideo app on your iPhone (iOS 18.6.2), audio is playing but you don’t see any visible audio track to interact with, even though it shows there’s 1 audio track. I'd like to help you get this sorted out.

Could you tell me a bit more about the situation? For instance:

1. Are you in the editing timeline where you normally see audio and video tracks?
2. Is the audio you hear coming from a music track you added, a recorded voiceover, or part of a video clip?
3. Have you recently updated the app or your iOS?
4. Have you tried restarting the app or your iPhone yet?

Meanwhile, here are some straightforward steps you can try to fix the problem:

1. Restart VivaVideo: Fully close the app by swiping it away from the app switcher, then reopen it. Sometimes this clears temporary glitches.

2. Check the Timeline View: In the editor, make sure you are zoomed in enough on the timeline. Sometimes, if zoomed out too far or in a wrong mode, audio tracks may be hidden or look like thin lines.

3. Ensure Audio Layer Visibility: Look for any visibility toggle icons or track settings in the timeline. Some editors allow you to hide/show audio tracks.

4. Delete and Re-import the Audio Track: If the audio came from an external file, remove it and add it again to see if it appears properly.

5. Update the App: Make sure VivaVideo is updated to the latest version via the App Store. Updates often fix bugs with UI elements like track visibility.

6. Restart Your iPhone: If you haven't yet, sometimes a quick reboot helps system resources reset, allowing the app to function normally.

If after trying these steps, the audio track is still not visible but audio plays, it might be a UI glitch specific to the version or a corrupted project file.

Let me know how these first steps go, and if needed, I can guide you through advanced troubleshooting or suggest contacting VivaVideo support directly.

Are you satisfied with this guidance so far?