AAX File Documentation

Overview

Feature Value
File Extension .aax
Format Type Audible Enhanced Audiobook File
Developer Amazon
MIME Type audio/vnd.audible.aax
DRM Protected Yes
Audio Codec AAC
Audio Quality High
Compression Lossy
Encryption Yes, with Audible's Digital Rights Management (DRM)
File Usage Audiobook listening
Playable on Audible app, Amazon devices, and authorized devices
File Approximate Size for 1 Hour of Audio Approximately 28.8 MB
Content Type Audiobooks, Original Audio Programs
Chapter Information Embedded
Bookmark Capability Supported
Variable Playback Speed Supported
Sample Rate 44.1 kHz
Bit Rate Variable, up to 64 kbps
Channels Stereo
File Creation Program Audible Manager