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use complex fractional decimator

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This commit is contained in:
Jakob Ketterl 2020-09-04 22:02:23 +02:00
parent e10143b6db
commit 9a5286ca24
1 changed files with 3 additions and 1 deletions
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4
csdr/csdr.py
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@ -250,7 +250,9 @@ class dsp(object):
"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 self.isDrm(which):
chain += last_decimation_block
if self.last_decimation != 1.0:
# we are still dealing with complex samples here, so the regular last_decimation_block doesn't fit
chain += ["csdr fractional_decimator_cc {last_decimation}"]
chain += [
"csdr convert_f_s16",
"dream -c 6 --sigsrate 48000 --audsrate 48000 -I - -O -",