- Extension
- .spx
- .cvsd
- Format
- Binary
- Binary
- Category
- Audio
- Audio
- Developer
- Xiph.Org
- Adaptive Digital Technologies
- 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.
- Continuously Variable Slope Delta Modulation Audio is a headerless format used to compress speech audio for applications such as voice mail.
- MIME Type
- audio/ogg
- audio/x-cvsd
