Speex, open-source speech codec for VoIP and voice — stored as audio/speex — uses lossy encoding to handle voip telephony, voice chat, speech compression. Typical file sizes: varies by content.
Protracker Module (MOD) is a tracker music format originating from the Amiga demoscene, containing both note patterns and instrument samples.
Reach for SPX when your priority is voip telephony, voice chat, speech compression — its efficient compression makes sharing fast and storage minimal.
Reach for MOD when your priority is chiptune music, demoscene, retro game audio — its uncompromising quality ensures every detail is preserved.
Learn more about SPX and MOD formats in our detailed guide.
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SPX (SPX) - Speex, open-source speech codec for VoIP and voice. Best for voip telephony, voice chat, speech compression.
MOD (MOD music) - Protracker Module, tracker music format for demoscene and games. Ideal for chiptune music, demoscene, retro game audio.
Yes, GoConvertFile offers free conversion of SPX to MOD for files up to 100MB. No registration required.
Most SPX to MOD conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.
MOD is ideal for chiptune music, demoscene, retro game audio. Protracker Module, tracker music format for demoscene and games
No, converting SPX to MOD does not cause additional quality loss — MOD uses lossless compression. However, any artifacts already present in the original SPX file will persist in the MOD output.
MOD files are typically 2-5x larger than equivalent SPX files because MOD preserves all pixel data. This is expected and necessary for lossless quality.