I am trying to use RTL-SDR with DSDCC to decode DMR on a raspberry pi. When I listen to a repeater output, the audio sounds as good as if it was coming out of my HT; however, when I attempt to listen to the repeater input, the voice is not discernible and DSDCC throws a lot of errors. Does anybody have any suggestions or ideas on how to improve decoding of repeater inputs/DMR simplex?
My command line is :
rtl_udp -f 447.6375M -g 500 -s 70k -r 48k |dsdccx -i - -o speech
I have also tried with "-U 0", "-x" "-fr" "-T 1" "-T 2" "-T 3" options on the dsdccx command and varying gains/sample rates on the rtl_udp command. I know that it all has to be resampled to 48kHz for dsdcc. I use the rtl-udp fork so I can tune on the fly.
"speech" is a named pipe for the output.
My command line is :
rtl_udp -f 447.6375M -g 500 -s 70k -r 48k |dsdccx -i - -o speech
I have also tried with "-U 0", "-x" "-fr" "-T 1" "-T 2" "-T 3" options on the dsdccx command and varying gains/sample rates on the rtl_udp command. I know that it all has to be resampled to 48kHz for dsdcc. I use the rtl-udp fork so I can tune on the fly.
"speech" is a named pipe for the output.