gMFSK
A Gnome Multimode HF Terminal
by Tomi Manninen OH2BNS


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Sound samples

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Here are a few sound samples of the transmission modes supported by gMFSK. The files are recorded at 11025 samples per second, mono and the message in all of the samples is the same: "the quick brown fox jumps over the lazy dog 1234567890".


Mode name
Sound sample size [kbytes]
MFSK16 431
MFSK8 689
RTTY (USB, amateur standard 45.45 baud, 170 Hz shift) 231
THROB (1 throb per second) 1411
THROB (2 throbs per second) 706
THROB (4 throbs per second) 353
PSK31 (BPSK) 325
PSK31 (QPSK, with FEC) 328
PSK63 (BPSK) 162
MT63 (500 Hz, long interleave, CW ID enabled) 521
MT63 (1000 Hz, long interleave, CW ID enabled) 260
MT63 (2000 Hz, long interleave, CW ID enabled) 130
FeldHell 540
CW (not yet supported by any release version of gMFSK) 520