Most popular Audio, music or song file extensions:
.flac - Audio files encoded by Flac - free lossless audio codec
.cda - CD Audio track
.wv - WavPack lossless compressed audio file
.amr - Adaptive Multi-Rate compressed audio
.gp3 - Guitar Pro 3 project
.dvf - Sony DV voice file
.mus - Music file format
.aa - Audible Audio file - downloadable audio books
file extension SFK - Modem Spy sound file
File extension SFK description:
File extension is used by Modem Spy. Sound file.
Associated applications to file extension SFK:
Company / developer:
SoftCab Inc.
- Record phone calls automatically.
- Record audio from microphone like dictaphone.
- Voice activated recording option available.
- Playback recorded calls via telephone line or computer speakers.
- Built-in automatic audio gain control.
- One click email sending with WAV or MP3 file attached.
- Detect and log caller ID information.
- Friendly program interface allows to make quick note to remember phone call contents.
- Access stored phone calls over local area network (LAN) from other computers.
- Optional caller ID notifications on all computers connected to LAN.
- Optional remote party warning before recording. It is required by law in some countries.
- There is Super Spy option for stealth recording.
- Optional answering machine mode. Record phone calls and answering machine messages simultaneously.
- Recording from data modem is possible (you will need to physically connect your phone line and sound card).
- Convert your records to any voice format! (MP3, WAV, etc)
- Please note, cell phone calls could not be recorded by Modem Spy. But we are working on this feature currently.
- Program size is only 380 KB. Compare that to the footprint of other multi-megabyte software!