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catch error in dbfs calculation

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DJ2LS 2022-12-27 11:41:00 +01:00
parent 9a4401082c
commit fd402d9bc2
1 changed files with 7 additions and 2 deletions
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9
tnc/modem.py
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@ -970,8 +970,13 @@ class RF:
# calculate RMS and then dBFS
# TODO: Need to change static.AUDIO_RMS to AUDIO_DBFS somewhen
# https://dsp.stackexchange.com/questions/8785/how-to-compute-dbfs
rms = int(np.sqrt(np.max(d ** 2)))
static.AUDIO_DBFS = 20 * np.log10(rms / 32768)
# try except for avoiding runtime errors by division/0
try:
rms = int(np.sqrt(np.max(d ** 2)))
static.AUDIO_DBFS = 20 * np.log10(rms / 32768)
except Exception as e:
self.log.warning(f"[MDM] fft calculation error - please check your audio setup", e=e)
static.AUDIO_DBFS = -100
rms_counter = 0