sshaplygin/gist:ea4af0ea49d8699a1e28d6ef2d2ddf68

Created April 13, 2023 14:06

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sshaplygin created this gist Apr 13, 2023.

gistfile1.txt

-Original file line number
+Diff line change
@@ -0,0 +1,4 @@
+    from mp4 to wav format `ffmpeg -i <infile> -ac 2 -f wav <outfile>`
+    join wav files `ffmpeg -i 1.wav -i 1.wav -i 1.wav -i 1.wav \
+    -filter_complex '[0:0][1:0][2:0][3:0]concat=n=4:v=0:a=1[out]' \
+    -map '[out]' output.wav`