Sdrtx

Beschreibung

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Übersicht der Parameter

sdrtx -h
 Modulate audio to IQ-File
 -b <0..1>           filter bass of modulation (not stereo) (0.05)
 -c <v>              ssb rf-clipper level after ALC 1=off (1.0)
 -d <Hz>             fm deviation (3000) (stereo 40000)
 -f <output format>  u8 i16 f32 (u8)
 -g <v>              input loudness (not stereo) more for more ALC (50.0)
 -h                  this
 -i <filename>       input file/pipe/oss-device (stereo 2 channel 48kHz) (/dev/dsp)
 -l <Hz>             modulation lowpass (not stereo) 0=off (3000)
 -m <modulation>     u(sb) l(sb) a(m) f(m) s(stereo) (f)
 -o <filename>       output iq file/pipe
 -p <0..1>           preemphase of modulation (not stereo) 0=off (0.8)
 -r <n>              output/input samplerate (21.33333)
 -s <Hz>             shift signal from iq band center (0)
 -u <Hz>             upsampler aliasing filter (6000) (stereo 22000)
 all <Hz>-values based on 48kHz input samplerate and stereo pilot tone
 filters 4th order IIR, stereo preemphase+17kHz lowpass 64 tap FIR