books.google.co.uk - This book presents the signal processing algorithms that have been developed to process the signals acquired by a spherical microphone array. Spherical microphone arrays can be used to capture the sound field in three dimensions and have received significant interest from researchers and audio engineers....https://books.google.co.uk/books/about/Theory_and_Applications_of_Spherical_Mic.html?id=aiXqDAAAQBAJ&utm_source=gb-gplus-shareTheory and Applications of Spherical Microphone Array Processing