- Extension
- .aac
- .caf
- Format
- Binary
- Binary
- Category
- Audio
- Audio
- Developer
- Bell Labs, Fraunhofer Institute, Dolby Labs, Sony and Nokia
- Apple
- Description
- Compressed audio file similar to an .MP3 file, but offers several performance improvements; examples include a higher coding efficiency for both stationary and transient signals, a simpler filterbank, and better handling of frequencies above 16 kHz; maintains quality nearly indistinguishable from the original audio source.
- Digital audio format based on Apple's Core Audio technology; stores audio data as well as text annotations, markers, channel layouts, and other information; similar to an .AIFF or .WAVE file, but does not have a 4GB size limit and can store any number of audio channels.
- MIME Type
- audio/x-aac
- audio/x-caf
