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Guide to split audio recording by silence with SoX and ffmpeg
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# First denoise audio | |
## Get noise sample | |
ffmpeg -i input.ogg -vn -ss 00:00:00 -t 00:00:01 noise-sample.wav | |
## Create noise profile | |
sox noise-sample.wav -n noiseprof noise.prof | |
## Clean audio from noise | |
sox input.ogg clean.wav noisered noise.prof 0.21 | |
# Split audio by noise | |
sox -V3 clean.wav output.wav silence 1 0.2 0.4% 1 0.2 0.4% : newfile : restart | |
####### (these settings worked for my computer mic - maybe we need to finetune them later) ####### |
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Thank you! I just used this to split an album that had been recorded as a single file. I just needed to increase the silence durations from 0.2 to 0.4.