Online SD2 to AMR, you can put the SD2 to AMR format on your computer, tablet or mobile phone without downloading any software!
Step 1
Upload SD2 file
Select files from your computer, Google Drive, Dropbox, URL or by dragging them on the page.
Step 2
Select 'AMR'
Select output AMR or any other format as the conversion result (click the Convert button)
Step 3
Download your SD2 file
After the conversion you can download your AMR file and upload it to Google Drive, Dropbox.
sd2 : Sound Designer 2 format
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.
AMR files are compressed audio files which are often used by cell phones. This files can contain voice recordings or voicebox messages for example. The format was developed by Ericsson.