- Extension
- .sph
- .pm
- Format
- Binary
- Text
- Category
- Audio
- Document
- Developer
- NIST
- 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.
- A TXT file is a standard text document that contains unformatted text. It is recognized by any text editing or word processing program and can also be processed by most other software programs.
- MIME Type
- audio/x-nist-sph
- text/plain