Subsampling in an audio pipeline
wavlew at online.de
Thu Aug 10 10:45:14 UTC 2017
I am using a gst spectrum element in a python environment in this pipeline:
pipeline = Gst.parse_launch(autoaudiosrc ! spectrum interval=100000000
bands=256 threshold=-70 multi-channel=true ! fakesink)
Everything works fine but the samplerate is with 96kHz very high. For a
spectrum analyzer, the quarter of it would be enough. so I could save FFT
How can I force subsampling (to lets say 20kHz)?
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