3G2
3G2 video containerUsed for timed picture and sound streams meant for playback.
- Family
- Video
- MIME
- video/3gpp2
Free 3G2 to AVI conversion online, with the real timed-stream transcoding behavior, what gets lost, and a concrete way to check the output.
Decoding 3G2 recovers the picture, sound, and timing streams it carries; writing AVI means re-expressing that under a different codec and container profile. Duration commonly survives untouched even while compression, channel mapping, cadence, metadata, or auxiliary streams do not. The 3G2 demultiplexer reads a CDMA-era 3GPP2 track layout and identifies its constrained mobile video, audio, rotation, timing, and metadata profile. AVI output interleaves indexed audio and video chunks in a legacy RIFF container whose subtitle, modern metadata, and variable-frame-rate behavior is limited.
Decoded media - A 3GPP2 mobile-media container designed for CDMA-era phone video and audio. Encoded delivery profile - An older Microsoft media container commonly paired here with Xvid video and MP3 audio.
Used for timed picture and sound streams meant for playback.
Designed for recorded motion video with an accompanying soundtrack.
Its codec and metadata expectations are narrower than modern MP4, and current players may not recognize the extension.
AVI has limited support for modern metadata, captions, variable frame rates, and some web players.
The verified AVI profile uses Xvid video and MP3 audio for compatibility with older AVI workflows.
Inspect video and audio codecs, dimensions, frame rate, rotation, duration, sync, and playback on the required device.
Test seeking and audio sync in the target player, not only the opening frame.
Switch to AVI only once the destination player, editor, or service has confirmed support for its exact container and codecs. If extra tracks or the original encoding must survive, 3G2 remains the safer choice.