If you feel like you have to teach users what an earcon means, don’t use an earcon.
Conversation is intuitive and efficient on its own. Earcons often don’t add value, but instead add cognitive load. Users have to process the instructions and remember them for later.
“There are sounds we interact with every single day and never give a second thought. Our phones, computers, cars, and other devices are constantly communicating with us through user interface sounds and it’s their job to be heard, but not distracting. In this episode, we speak with Will Littlejohn, Facebook’s Director of Sound Design, and Conor O’Sullivan, Sound Design Lead at Google, about the sounds they create that help connect families, friends, and communities.”