Health & SBCC
- Clinic posters, outreach vans, CHW kits
- Deploy: Playlist or Visual Playlist (audio + one image/track)
- Place QR: registration desk, waiting areas, vaccine line
- KPI: plays/QR, WhatsApp share taps
Scan a poster, play a short message, share on WhatsApp - then prove what worked with simple reports or live dashboards.
A practical, 25-page, tech-agnostic field guide to targeted audio (narrowcasting) in low-literacy, low-data contexts. It explains why the approach works, where to use it, how to deliver online and offline (QR/short links, WhatsApp, solar players, SD cards, loudspeakers), and how to monitor impact with privacy-friendly metrics - drawing on a decade of work by Audiopedia Foundation