Sound can be represented with both analog or digital audio signals. Analog audio signals use electrical voltage levels. Different types of transducers convert sound to electrical signals and ...

The audio industry may be on the verge of a technological revolution. For over a century, the operating principles of speakers have remained largely unchanged; an alternating electrical current drives ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› Advice, staff picks, mythbusting, and more. Let us help you. Published October 11 ...

This page contains links to the audio of the stories that appear in the book, Sound Reporting, The NPR Guide to Broadcast, Podcast and Digital Journalism, 2nd Edition, so that you can hear for ...