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SPX file

This page contains information on the SPX file extension (Speex Audio file)

File extension.SPX
CategoryAudio File
DescriptionSPX (Speex) is an open-source CELP-based speech codec format intended for compressing speech at bitrates between 2 and 44 kbps. The .SPX extension has a number of advanced features, which ensure noise- and echo reduction, stereo encoding, integration of several sample rates within a particular bitstream, etc. Although SPX is patent-free, it is not widely supported by popular audio players. For this reason, most users prefer to convert SPX files to WAV or MP3.
Associated programsVLC media player
FFMpeg
Developed byXiph.Org Foundation, Jean-Marc Valin
MIME typeaudio/x-speex
audio/speex
Useful linksMore detailed information on SPX files

Convert SPX files

Using CoolUtils Online SPX Converter it is possible to convert SPX files to a variety of other formats:

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