Online 3G2 to SD2, you can put the 3G2 to SD2 format on your computer, tablet or mobile phone without downloading any software!
Step 1
Upload 3G2 file
Select files from your computer, Google Drive, Dropbox, URL or by dragging them on the page.
Step 2
Select 'SD2'
Select output SD2 or any other format as the conversion result (click the Convert button)
Step 3
Download your 3G2 file
After the conversion you can download your SD2 file and upload it to Google Drive, Dropbox.
3g2 : 3GPP2 file format
The 3G2 or 3GPP2 file format is a video container format, very similar to the 3GP format. The difference is that 3G2 can store some additional audio streams like EVRC.
SDII (Sound Designer II, sometimes seen abbreviated as SD2) is a monophonic/stereophonic audio file format, originally developed by Digidesign for their Macintosh -based recording/editing products. It is the successor to the original monophonic Sound Designer I audio file format.