It is only after this that I trim the video, as most (light) video trimmers aren't able to detect/process both tracks. (this code also allows the adjustment of either audio tracks, too, which is a bonus) Where X and Y are the volumes of each of the audio tracks (1 is the default >1 increases the volume 0 mutes the track). With some help via Reddit, I was able to use ffmpeg to merge/"delete" one of the audio tracks by using the "amix-filter in a complex filtergraph":įfmpeg -i shadowplay_file.mkv -filter_complex "amix=2:longest:weights=X Y" -map 0:V:0 -map "" -c:v copy -c:a aac -b:a 320k output.mkv If I do decide to use both, I need to merge the tracks together, as Youtube nor Windows Movie Player cannot output both tracks at the same time. Sometimes, I'd like to use just one audio track, and in other times, use both. I record my games via Shadowplay, and that app separates my voice and game audio into two different audio tracks.
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