- Extension
- .spx
- .opml
- Format
- Binary
- Text
- Category
- Audio
- Document
- Developer
- Xiph.Org
- Dave Winer
- Description
- Audio file compressed using Speex compression and saved in the Ogg Vorbis container format; designed as an audio compression format specifically for speech; compresses voice at 2 to 44 kbps and supports 8 kHz, 16 kHz, and 32 kHz compression in the same bitstream.
- 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/ogg
- text/x-opml