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M4V
MPEG-4 Video File
MPEG-4 Video File is a multimedia container format used to store video and audio data, as well as subtitles and images.
Main usage
MPEG-4 Video File is commonly used for storing and streaming video content, such as movies, TV shows, and music videos.
- High compression ratio
- Supports multiple audio and video streams
- Supports multiple subtitle formats
Main features
SPX
Ogg Speex
Ogg Speex is an audio compression format designed for speech and is based on the open source Speex codec.
Main usage
Ogg Speex is mainly used for voice over IP (VoIP) applications, such as Skype, and for audio streaming applications, such as online radio.
- Low bitrate
- High quality speech compression
- Supports variable bitrate