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+minimodem (software audio FSK modem)
+
Minimodem is a command-line program which decodes (or generates)
audio modem tones at any specified baud rate, using various framing
protocols. It acts a general-purpose software FSK modem, and includes
@@ -10,3 +12,7 @@ system audio device, or in batched mode via audio files.
Minimodem can be used to transfer data between nearby computers using
an audio cable (or just via sound waves), or between remote computers
using radio, telephone, or another audio communications medium.
+
+Optional dependency: sndio (autodetected). If this is installed,
+minimodem will be built with support for it. If you have sndio install
+but want to build without it, export SNDIO=no in the environment.