- Extension
- .aac
- .htk
- Format
- Binary
- Binary
- Category
- Audio
- Audio
- Developer
- Bell Labs, Fraunhofer Institute, Dolby Labs, Sony and Nokia
- Cambridge University's Speech Group.
- 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.
- Single channel 16-bit PCM format used by HTK, a toolkit for building Hidden Markov Model speech processing tools.
- MIME Type
- audio/x-aac
- application/x-htk
