Film with your phone held horizontally (widescreen).
Hold your phone still when recording, count to 3-4 before moving your phone.
Do not film against the light.
Get as close as possible rather than zoom.
For sound recordings – avoid too much wind or background noise (e.g. a noisy cooker hood).
Avoid many people talking at once.
Max. 20 min. per recording (otherwise difficult to send)
On an iPhone – use the app: Voice Memos
On an Android – use the app: Audio Recorder or Titanium Recorder