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.SD2 File Extension

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File TypeSound Designer II File

DeveloperAvid Technology
3.0 (1 Vote) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryAudio Files


This file is saved in a binary format, which requires a specific program to read its contents.


Audio file created in the Sound Designer II format, which was originally developed by Digidesign for Macintosh audio recording programs; can be both mono or stereo and supports various bit depths and sample rates; used for exchanging audio data between applications.

More Information

NOTE: Digidesign is now Avid Technology.

Programs that open SD2 files
Microsoft Windows LogoWindows
Apple QuickTime Player
Apple iTunes
Avid Pro Tools
River Past Audio Converter
Mac OS X LogoMac
Apple QuickTime Player
Apple iTunes
Avid Pro Tools
Updated 8/31/2015