Ways of Hearing is a book from MIT Press, and a 6-episode podcast series from Radiotopia's Showcase, written and hosted by Damon Krukowski, exploring the nature of listening in our digital world. The podcast series is available wherever you get your podcasts (iTunes, Spotify, etc.) by searching for Showcase. It can also be downloaded - in ad-free, CD-quality audio - from Bandcamp.
The New Analog is a book available from The New Press in the US/Canada and MIT Press in the UK/Europe/AUS, that explores in greater depth the switch from analog to digital audio, and its influence on our perceptions. Both The New Analog and the Ways of Hearing book are available from all the usual online suppliers (Amazon, IndieBound, etc.), or - best of all - your local bookstore!