This guide presents a comprehensive list of resources for the research and study of spatial audio, including: surround sound, binaural audio, ambisonics, and Dolby Atmos.
Acknowledgments: Link descriptions are taken from the source websites. Special thanks to Dr. Michael G. Wagner, Head of the Digital Media Department at the Antoinette Westphal College of Media Arts & Design at Drexel University, for sharing his vast knowledge of spatial/immersive audio through his scholarship and YouTube channel.
Spherical Harmonics up to degree 3,
as used in third-order Ambisonics
https://commons.wikimedia.org/wiki/
File:Spherical_Harmonics_deg3.png