fine-tuning of dsd audio agc

This commit is contained in:
Jakob Ketterl 2020-08-27 19:41:46 +02:00
parent 22feb8dd1c
commit b06732dbf5

View File

@ -213,7 +213,7 @@ class dsp(object):
elif which == "nxdn": elif which == "nxdn":
chain += ["dsd -fi -i - -o - -u {unvoiced_quality} -g -1 "] chain += ["dsd -fi -i - -o - -u {unvoiced_quality} -g -1 "]
chain += ["CSDR_FIXED_BUFSIZE=32 csdr convert_s16_f"] chain += ["CSDR_FIXED_BUFSIZE=32 csdr convert_s16_f"]
max_gain = 5 max_gain = 50
# digiham modes # digiham modes
else: else:
chain += ["rrc_filter", "gfsk_demodulator"] chain += ["rrc_filter", "gfsk_demodulator"]
@ -227,7 +227,7 @@ class dsp(object):
max_gain = 0.005 max_gain = 0.005
chain += [ chain += [
"digitalvoice_filter -f", "digitalvoice_filter -f",
"CSDR_FIXED_BUFSIZE=32 csdr agc_ff --max {max_gain} --initial 0.0005".format(max_gain=max_gain), "CSDR_FIXED_BUFSIZE=32 csdr agc_ff --max {max_gain} --initial {initial_gain}".format(max_gain=max_gain, initial_gain=max_gain / 10),
"sox -t raw -r 8000 -e floating-point -b 32 -c 1 --buffer 32 - -t raw -r {output_rate} -e signed-integer -b 16 -c 1 - ", "sox -t raw -r 8000 -e floating-point -b 32 -c 1 --buffer 32 - -t raw -r {output_rate} -e signed-integer -b 16 -c 1 - ",
] ]
elif which == "am": elif which == "am":