From 0c59caa2307aa632df5bcd21f5d24e1cd0ce1f7b Mon Sep 17 00:00:00 2001 From: Jakob Ketterl Date: Wed, 5 Jun 2019 00:17:06 +0200 Subject: [PATCH] try to handle clipping problems with agc --- csdr.py | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/csdr.py b/csdr.py index 6e78adb..28443f3 100755 --- a/csdr.py +++ b/csdr.py @@ -108,14 +108,15 @@ class dsp(object): elif which == "nxdn": chain += "dsd -fi" 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 else: chain += "rrc_filter | csdr convert_f_s16 | gfsk_demodulator | " 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": - chain += "ysf_decoder --fifo {meta_pipe} | mbe_synthesizer -y -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 += "ysf_decoder --fifo {meta_pipe} | mbe_synthesizer -y -f -u {unvoiced_quality} | " + 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": chain += "csdr amdemod_cf | csdr fastdcblock_ff | " chain += last_decimation_block