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MP2
MPEG-1 Audio Layer II
MPEG-1 Audio Layer II (MP2) is a lossy audio compression format, designed as part of the MPEG-1 standard. It is the second of the three audio codecs used in the MPEG-1 standard.
Main usage
MP2 is commonly used for streaming audio over the internet, as well as for audio broadcasting and audio storage.
- High compression ratio
- Low bit rate
- Good audio quality
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