[FFmpeg-user] FFMPEG sidechaincompress not working as it should?

[Paul B Mahol]

On 1/8/18, Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
> 2017-10-23 7:03 GMT+02:00 Frank @ Taapo <info at taapo.com>:
>
>> ffmpeg.exe -i temp_music.aif -i temp_voice.aif -filter_complex
>> "[1:a]asplit=2[sc][mix];[0:a][sc]sidechaincompress=threshold=0.1:ratio=5[bg];
>
>> [bg][mix]amerge[fin*al]" -map [final] final.mp3
>
> The letter "n*" in the name of the output pad is another letter than "n" in
> the
> name of the pad you want to map - type the first "final" again.

LOL

How something like this is even possible?