.silk .au3 - silk_v3_decoder.exe

http://sox.sourceforge.net/Docs/Features
https://www.halolinux.us/installation/sound-formats-supported-by-the-sox-utility.html

Raw files in various binary formats
.dea, .al .la : ALAW, 8 bits
.deu, .ul .lu : ULAW, 8 bits
.raw, .pcm
ub, .sb, .uw, .sw, .ul, .al, .lu, .la, .sl

Raw textual data
Amiga 8svx files
.8svx, .iff

Apple/SGI AIFF files
SUN .au files
PCM, u-law, A-law
G7xx ADPCM files (read only)
mutant DEC .au files
NeXT .snd files
AVR files
.avr

CDDA (Compact Disc Digital Audio format)
CVS and VMS files (continuous variable slope)
 .CVS and .VMS

Grandstream ring-tone files
GSM files
.gsm
HTK files
LPC-10 files
.lpc
Macintosh HCOM files
.hcom
Amiga MAUD files
.MAUD

AMR-WB & AMR-NB (with optional libamrwb & libamrnb libraries)
MP2/MP3 (with optional libmad, libtwolame and libmp3lame libraries)
MP4, AAC, AC3, WAVPACK, AMR-NB files (with optional ffmpeg library)
AVI, WMV, Ogg Theora, MPEG video files (with optional ffmpeg library)
Ogg Vorbis files (with optional Ogg Vorbis libraries)
FLAC files (with optional libFLAC)
IRCAM SoundFile files - .IRCAM
NIST SPHERE files  .nis or .nist
Turtle beach SampleVision files - .smp
Sounder & Soundtool (DOS) files
Yamaha TX-16W sampler files
.TX16W txw

SoundBlaster .VOC files
Dialogic/OKI ADPCM files (.VOX)
Microsoft .WAV files
PCM, floating point
u-law, A-law, MS ADPCM, IMA (DMI) ADPCM
GSM
RIFX (big endian)
WavPack files (with optional libwavpack library)
Psion (palmtop) A-law WVE files and Record voice notes
.prc
Maxis XA Audio files
.xa

EA ADPCM (read support only, for now)
Pseudo formats that allow direct playing/recording from most audio devices
.ossdsp

The "null" pseudo-file that reads and writes from/to nowhere

