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Added notes about CPU usage

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This commit is contained in:
ha7ilm 2017-01-28 15:19:16 +01:00
parent c1d8fceea5
commit 6afdbe812e
1 changed files with 11 additions and 2 deletions
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13
config_webrx.py
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@ -69,8 +69,9 @@ sdrhu_public_listing = False
# ==== DSP/RX settings ==== # ==== DSP/RX settings ====
dsp_plugin="csdr" dsp_plugin="csdr"
fft_fps=9 fft_fps=9
fft_size=4096 fft_size=4096 #Should be power of 2
fft_voverlap_factor=0.3 #If it is above 0, multiple FFTs will be used for creating a line on the diagram. fft_voverlap_factor=0.3 #If fft_voverlap_factor is above 0, multiple FFTs will be used for creating a line on the diagram.
samp_rate = 250000 samp_rate = 250000
center_freq = 145525000 center_freq = 145525000
rf_gain = 5 #in dB. For an RTL-SDR, rf_gain=0 will set the tuner to auto gain mode, else it will be in manual gain mode. rf_gain = 5 #in dB. For an RTL-SDR, rf_gain=0 will set the tuner to auto gain mode, else it will be in manual gain mode.
@ -81,6 +82,14 @@ fft_compression="adpcm" #valid values: "adpcm", "none"
start_rtl_thread=True start_rtl_thread=True
"""
Note: if you experience audio underruns while CPU usage is 100%, you can:
- decrease `samp_rate`,
- set `fft_voverlap_factor` to 0,
- decrease `fft_fps` and `fft_size`,
- limit the number of users by decreasing `max_clients`.
"""
# ==== I/Q sources ==== # ==== I/Q sources ====
# (Uncomment the appropriate by removing # characters at the beginning of the corresponding lines.) # (Uncomment the appropriate by removing # characters at the beginning of the corresponding lines.)