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Convert 3G2 to SPX
Convert 3G2 to SPX format — 100% browser-based, no upload required.
2 cores · low tier
Drop a file here or click to select
Format will be auto-detected
About these formats
Source
3G2
3GPP2 MultimediaMobile video format for CDMA-based networks (3GPP2 standard). Similar to 3GP but designed for CDMA2000.
Best for
CDMA mobile videoMMS messagesLegacy mobiles
Advantages
- + Compact files
- + Mobile optimized
- + Wide phone support
Limitations
- − Very low quality
- − Outdated
- − Small resolution
Target
SPX
Speex AudioOpen-source speech codec designed for voice over IP. Provides good speech compression at very low bitrates.
Best for
VoIPVoice chatSpeech compressionPodcasts
Advantages
- + Optimized for speech
- + Open source
- + Very low bitrate
Limitations
- − Superseded by Opus
- − Speech only
- − Declining usage