What is the difference between .nut and .spx?
- Extension
 - .nut
 - .spx
 
- Format
 - Binary
 - Binary
 
- Category
 - Video
 - Audio
 
- Developer
 - The nut file type was created by the FFmpeg project.
 - Xiph.Org
 
- Description
 - The nut file extension is associated with the NUT a patent-free, multimedia container format originally conceived by a few MPlayer and FFmpeg developers that were dissatisfied with the limitations of all currently available multimedia container formats such as AVI, Ogg or Matroska.
 - 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.
 
- MIME Type
 - application/x-nut
 - audio/ogg
 
- Wikipedia
 - .spx on Wikipedia