Another cool take at sound waves - a little too muted/subtle for a brand, but we could try using some nice gradients in a sound wave?
Super Cat by
Soundwave exploration for AI product by fantasy for rokid by Gleb Kuznetsov✈ - Dribbble
Concept of Bubble Mobile Messenger — Application design on App Design Served
CBN FM Radio: The radio that plays the news - Adeevee
Months back I was playing with the idea of having some really interesting feedback depending on what the user was doing. Hope you enjoy, Cheers!
50 Great Examples Of Minimalist Mobile App UI Designs - Smashfreakz