Free MP3 to SPX Converter
Convert MP3 to SPX for free and online, easily convert your audio file without needing to download any software or pay any fees
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Maximum file size 200 MB
MP3
MPEG-1 Audio Layer 3
MP3 is a digital audio encoding format using a form of lossy data compression. It is a common audio format for consumer audio storage, as well as a de facto standard of digital audio compression for the transfer and playback of music on digital audio players.
Main usage
MP3 is commonly used for streaming and downloading music from the internet, as well as for CD ripping and digital distribution of music.
- High compression ratio
- Supports variable bit rate (VBR)
- Supports metadata tags
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