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RA
Real Audio
RealAudio is a proprietary audio format developed by RealNetworks, used for streaming audio over the Internet.
Main usage
RealAudio is commonly used for streaming audio content such as radio broadcasts, podcasts, and music.
- High-quality audio streaming
- Low latency
- Compression
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