- Extension
- .spx
- .f4v
- Format
- Binary
- Binary
- Category
- Audio
- Video
- Developer
- Xiph.Org
- Adobe Systems
- 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.
- Video container format used by Adobe Flash; based on the ISO MP4 format, which is based on the Apple QuickTime container format; specified by ISO/IEC 14496-12 as a base media file format; supported by Flash Player Update 3 (9,0,115,0) and higher.
- MIME Type
- audio/ogg
- video/x-f4v
