SILK
| SILK | |
|---|---|
| Developer(s) | Skype Limited, Microsoft | 
| Initial release | 2009 | 
| Stable release | 1.0.9
   / 2012 | 
| Written in | C, C++ | 
| Operating system | Microsoft Windows, macOS, Linux, Android, iOS | 
| Predecessor | SVOPC | 
| Successor | Satin | 
| Type | Audio codec | 
| License | BSD 2-Clause License | 
| Filename extension | 
.sil, .SIL | 
|---|---|
| Internet media type | 
audio/SILK | 
| Magic number | #!SILK\n | 
| Initial release | March 2009 | 
| Latest release | SDK 1.0.9 2012 | 
| Type of format | Audio | 
| Extended to | Opus | 
| Standard | Internet Draft | 
SILK is an audio compression format and audio codec developed by Skype Limited, now a Microsoft subsidiary. It was developed for use in Skype, as a replacement for the SVOPC codec. Since licensing out, it has also been used by others. It has been extended to the Internet standard Opus codec.