What is the difference between .m4v and .spx?
- Extension
- .m4v
- .spx
- Format
- Binary
- Binary
- Category
- Video
- Audio
- Developer
- Apple
- Xiph.Org
- Description
- The M4V file format is a video container format developed by Apple and is very similar to the MP4 format, with the primary difference being the optional Apple Digital Rights Management (DRM) protection. M4V files are commonly used for TV episodes, movies, and music videos in the iTunes Store. These files can be played on Apple devices such as iPhones, iPads, and iPods, as well as on PCs using iTunes or other compatible media players.
- 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
- video/x-m4v
- audio/ogg
- Sample
- sample.m4v
- Wikipedia
- .m4v on Wikipedia
- .spx on Wikipedia