On Sun, Jun 1, 2025 at 6:23 PM Richard Bartczak via ffmpeg-user < ffmpeg-user@ffmpeg.org> wrote:
> Am 01.06.25 um 17:48 schrieb Paul B Mahol: > > On Sun, Jun 1, 2025 at 3:40 PM Mark Filipak <markfilipak.i...@gmail.com> > > wrote: > > > >> I have two ac3 audio streams. One is 'voices+noise', the other is just > >> 'noise' -- no voices. I want > >> to take 'voices+noise', remove 'noise' leaving just 'voices', then mix > >> 'voices' into a latter, > >> clipped version, call it 'sounds'. I could do it with Audacity, but I'd > >> like to do it with FFmpeg, > >> if possible. > >> > >> I seek experienced guidance because I've never done this before and I > want > >> to use the best audio > >> mixer 'filter' available -- knowing what's best comes only via > experience. > >> > >> The full story: > >> > >> "2001, A SPACE ODYSSEY" has a tedious, 2:58.136 prelude that is just > >> 'noise', after which the MGM > >> Lion appears. When I made an mp4, I cut 'm2ts 0..178.136' out leaving > just > >> 'm2ts 178.136...', which > >> is now 'mp4 0...', which begins with the MGM Lion. > >> > >> When I finished, I discovered that in their comments track, Keir Dullea > >> and Gary Lockwood introduce > >> themselves during that 'noise'. Their 'voices' spans 'm2ts 0..34.034'. > >> > >> I want to take 'm2ts 0..34.034', remove the 'noise' so that only > 'voices' > >> is left, then mix 'voices' > >> into 'mp4 0..34.034', over the MGM Lion. There's a little more clipping > >> and joining to be done but I > >> can handle that. > >> > > Need actual files. > > > > > >> _______________________________________________ > >> ffmpeg-user mailing list > >> ffmpeg-user@ffmpeg.org > >> https://ffmpeg.org/mailman/listinfo/ffmpeg-user > >> > >> To unsubscribe, visit link above, or email > >> ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > >> > > _______________________________________________ > > ffmpeg-user mailing list > > ffmpeg-user@ffmpeg.org > > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > > > To unsubscribe, visit link above, or email > > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > > On youtube you will find a lot of ac-3 files, e.g.: > > yt-dlp -F -o "%(title)s.%(ext)s" -R infinite -N 4 --cookies > cookies.txt --no-playlist > " > https://www.youtube.com/watch?v=m1m7S3YVIP4&list=PLGI9nth6470EEmULYPzDn4rOiOmegfb9_&index=2&pp=iAQB > " > > With the parameter -F you will get the complete list of all stream IDs : > > 140 m4a audio only 2 │ 113.31MiB 129k https │ audio only > mp4a.40.2 129k 44k [de] medium, m4a_dash > 251 webm audio only 2 │ 108.51MiB 124k https │ audio only > opus 124k 48k [de] medium, webm_dash > 380 m4a audio only 6 │ 336.15MiB 384k https │ audio only > ac-3 384k 48k [de] high, m4a_dash > 328 m4a audio only 6 │ 336.15MiB 384k https │ audio only > ec-3 384k 48k [de] high, m4a_dash > 602 mp4 256x144 12 │ ~ 105.85MiB 121k m3u8 │ > vp09.00.10.08 121k video only > 269 mp4 256x144 24 │ ~ 154.51MiB 177k m3u8 │ avc1.4D400C > 177k video only > 160 mp4 256x144 24 │ 43.84MiB 50k https │ avc1.4d400c > 50k video only 144p, mp4_dash > > with -f + ID you will get the file : > > yt-dlp -f 380 -o "%(title)s.%(ext)s" -R infinite -N 4 --cookies > cookies.txt --no-playlist > " > https://www.youtube.com/watch?v=m1m7S3YVIP4&list=PLGI9nth6470EEmULYPzDn4rOiOmegfb9_&index=2&pp=iAQB > " > > yt-dlp refer to github > > Regards > I need exact files that Mark have. > > Richard > > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
