Comments (5)
I can't try it, anyway I guess that:
elad_sdr_24 7070000 0 | csdr convert_s24_f | csdr shift_addition_cc $(python -c "print (7073000-7070000.)/192000") | csdr fir_decimate_cc 4 0.05 HAMMING | csdr bandpass_fir_fft_cc -0.1 0 0.05 | csdr realpart_cf | csdr agc_ff | csdr limit_ff | csdr convert_f_s16 | mplayer -cache 1024 -quiet -rawaudio samplesize=2:channels=1:rate=48000 -demuxer rawaudio -
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There might as well be an endianness problem, which can be fixed with csdr convert_s24_f --bigendian
.
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I'll try asap and let you know.
Please, can you explain where is the audio bandwidth calculated? (I mean
the 2.3 or 2.7 khz... cannot remember the ham standard)
Http://www.iu5hes.it
Il 09 ott 2016 20:42, "András Retzler" [email protected] ha
scritto:
I can't try it, anyway I guess that:
elad_sdr_24 7070000 0 | csdr convert_s24_f | csdr shift_addition_cc
$(python -c "print (7073000-7070000.)/192000") | csdr fir_decimate_cc
4 0.05 HAMMING | csdr bandpass_fir_fft_cc -0.1 0 0.05 | csdr
realpart_cf | csdr agc_ff | csdr limit_ff | csdr convert_f_s16 |
mplayer -cache 1024 -quiet -rawaudio
samplesize=2:channels=1:rate=48000 -demuxer rawaudio -
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csdr bandpass_fir_fft_cc -0.1 0 0.05
...will have around 4.8 kHz.
csdr bandpass_fir_fft_cc -0.05625 0 0.002
...will have 2.7 kHz, with a transition BW of 96 Hz.
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I hope it is solved by now.
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