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try to handle clipping problems with agc

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This commit is contained in:
Jakob Ketterl 2019-06-05 00:17:06 +02:00
parent 4934e91e74
commit 0c59caa230
1 changed files with 4 additions and 3 deletions
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7
csdr.py
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@ -108,14 +108,15 @@ class dsp(object):
elif which == "nxdn": elif which == "nxdn":
chain += "dsd -fi" chain += "dsd -fi"
chain += " -i - -o - -u {unvoiced_quality} -g 10 | " chain += " -i - -o - -u {unvoiced_quality} -g 10 | "
chain += "digitalvoice_filter | sox -V -v 0.95 -t raw -r 8000 -e signed-integer -b 16 -c 1 --buffer 32 - -t raw -r {output_rate} -e signed-integer -b 16 -c 1 - "
# digiham modes # digiham modes
else: else:
chain += "rrc_filter | csdr convert_f_s16 | gfsk_demodulator | " chain += "rrc_filter | csdr convert_f_s16 | gfsk_demodulator | "
if which == "dmr": if which == "dmr":
chain += "dmr_decoder --fifo {meta_pipe} | mbe_synthesizer -u {unvoiced_quality} | " chain += "dmr_decoder --fifo {meta_pipe} | mbe_synthesizer -f -u {unvoiced_quality} | "
elif which == "ysf": elif which == "ysf":
chain += "ysf_decoder --fifo {meta_pipe} | mbe_synthesizer -y -u {unvoiced_quality} | " chain += "ysf_decoder --fifo {meta_pipe} | mbe_synthesizer -y -f -u {unvoiced_quality} | "
chain += "digitalvoice_filter | sox -V -v 0.95 -t raw -r 8000 -e signed-integer -b 16 -c 1 --buffer 32 - -t raw -r {output_rate} -e signed-integer -b 16 -c 1 - " chain += "digitalvoice_filter -f | csdr agc_ff 160000 0.8 1 0.0000001 0.0005 | csdr convert_f_s16 | sox -t raw -r 8000 -e signed-integer -b 16 -c 1 --buffer 32 - -t raw -r {output_rate} -e signed-integer -b 16 -c 1 - "
elif which == "am": elif which == "am":
chain += "csdr amdemod_cf | csdr fastdcblock_ff | " chain += "csdr amdemod_cf | csdr fastdcblock_ff | "
chain += last_decimation_block chain += last_decimation_block