(audible) See audio
An audiobook service from Amazon. Originally introduced by Audible Inc. in 1998, along with the first popular digital audio player (only for Audible titles), Amazon acquired the company in 2008. More than 400,000 titles are available for Android and iOS devices, and Audible content can be purchased and downloaded into iTunes. Audio digests of newspapers, magazines, newsletters and other material are also available.
Audible files are in a protected MP3 format that uses the .AA extension for variable bit rates or .AAX for higher quality. Books obtained from the iTunes store have an M4B extension. AudibleSee audiobook