Murali1981
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Murali1981
try: ''' ffmpeg -i 7.mkv -map 0:a -acodec copy audio.mp4 ffmpeg -i audio.mp4 -ac 2 -af "volume=15dB" a3.mp4 ffmpeg -i 7.mkv -i a3.mp4 -map 0:v -map 0:s:1 -map 1:a -c...