Sound Waves - Graphics - YouWorkForThem - created via https://pinthemall.net
Vector sound waves by Microvector on @creativemarket
Sand resonates to different frequencies to create different patterns. (click through for videos)
Dancing Colors making sound waves visible by Fabian Oefner
Wallvave vibration (quanta canticum), 2012
Jennifer Cantwell - Letter home Frequency Typography, the sound of words.
visual sound waves - This image shows sound waves with less force and brutality but still they carry movement and flow. Perhaps these forms could be used within the logo font or ident.
Sound Waves: Patterning Sonatas http://www.artscienceblog.com/2014/09/sound-waves-patterning-sonatas.html
Sound wave infographic on Behance
Sound Wave Installation by Penda at Myrtle Tree Garden, Xiangyang – China » Retail Design Blog - created via http://pinthemall.net
Composition of Harmonic Curves
Alphabet des ondes sonores
Sound Waves by Georgia Verapen
Audio visualization | Peter Crawley