“blend=all_mode=average” to an audiovisualized video

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These videos are the result of applying ffmpeg blend=all_mode=average to an audiovisualized video (created by the method described in here (@0.9)) and a movie unrelated to it. That is, this movie does not necessarily mean an example of audio visualization method. The intention here is to show if blend=all_mode=average for the visualized image is suitable for viewing.

#! /bin/sh
#
# avis.mp4: audio visualized
# bgmovie.mp4: background movie
#
ffmpeg -y -i avis.mp4 -i bgmovie.mp4 \
    -filter_complex "
[0:v][1:v]blend=all_mode=average
" out.mp4