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slowrx

Slowrx is an SSTV decoder for Unix-like systems.

Created by Oona Räisänen (OH2EIQ [at] sral.fi).

http://windytan.github.io/slowrx/

Features

Decode from audio device, file, or stdin
Detect frequency-shifted signals
Automatic slant correction, also manual adjustments are simple
Adaptive noise reduction
Support for a large number of SSTV modes
Decode MMSSTV-compatible FSKID
Save received pictures as PNG

Requirements

Linux, OSX, ...
PortAudio
libsndfile
gtkmm 3 (libgtkmm-3.0-dev)
FFTW 3 (libfftw3-dev)

And, obviously:

shortwave radio with SSB
computer with sound card
means of getting sound from radio to sound card

Compiling

./configure
make

Running

./src/slowrx