- Extension
- .sph
- .au
- Format
- Binary
- Binary
- Category
- Audio
- Audio
- Developer
- NIST
- Audacity
- Description
- Waveform audio file created in the NIST SPHERE format, which is often used in speech recognition research; often contains a recording of a person speaking; can be provided as input to speech recognition systems.
- Audio file created by Audacity, a free, cross platform audio editor; uses a proprietary format that can only be opened by Audacity; saved as one of multiple audio data files for an Audacity project (.AUD).
- MIME Type
- audio/x-nist-sph
- audio/basic