I have removed the video and am getting the same results. silenceremove is not removing silence.
ffmpeg -i ../2017-09-24T123913.mp4.done -vn -af silenceremove=0:0:0:-1:0.5:-20dB:1 output.m4a https://pastebin.com/raw/xcGQFs30 ffprobe -i output.m4a https://pastebin.com/raw/183KLwZY ffmpeg -i output.m4a -af silencedetect=n=-20dB:d=0.5 -f null - https://pastebin.com/raw/4304SzMh Using peak detection makes no difference: https://pastebin.com/raw/KwqXudSw https://pastebin.com/raw/462yRwQ7 https://pastebin.com/raw/s362n0wd On Mon, Sep 25, 2017 at 1:45 AM, Quinn Wood <[email protected]> wrote: > I thought I'd extracted the video by simply using the m4a extension- > that's not the way that works and I should have noticed that. I bet > the audio has been truncated but the video remains the full length. > Let me strip out the video and try it. > > On Mon, Sep 25, 2017 at 12:59 AM, Quinn Wood <[email protected]> wrote: >> I have used the following command >> ffmpeg -i input.m4a -af silenceremove=0:0:0:-1:0.5:-20dB output.m4a >> >> on a file. When I use another tool (Audacity) to truncate periods over >> 0.5 seconds of under -20dB volume it removes upwards of an hour from >> the input file. When I run this command ffmpeg doesn't remove a single >> second. I have tried numerous variations of the command and numerous >> input files, and am simply unable to replicate the effect Audacity is >> producing. >> >> The input files have a period of silence at the beginning that is >> predictable, intermittent periods of silence throughout the file of >> unknown quantity and length, and a period of silence at the end that >> is predictable. _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
