- Extension
- .sph
- .opml
- Format
- Binary
- Text
- Category
- Audio
- Document
- Developer
- NIST
- Dave Winer
- 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.
- OPML (Outline Processor Markup Language) is an XML-based format used to exchange outline-structured information. It is most commonly used to share lists of web feed subscriptions (such as RSS or Atom feeds) between feed readers and aggregators.
- MIME Type
- audio/x-nist-sph
- text/x-opml
