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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
Main features
AC3
Audio Coding 3
Audio Coding 3 (AC3) is a file format for storing audio data on digital storage media. It is a surround sound format developed by Dolby Laboratories.
Main usage
AC3 is commonly used in DVD and Blu-ray discs, streaming media, and video games.
- Surround sound
- High-quality audio
- Compression