![]() ![]() ffmpeg -ss 3 -i test16s.mp3 -t 5 -c:a copy out.mp3.ffmpeg -ss 3 -t 5 -i test16s.mp3 -c:a copy out.mp3. ![]() Stream #0:0: Audio: mp3, 44100 Hz, stereo, fltp, 128 kb/sĪligned the outputs in Audacity in comparison to the original and got the following: When doing stream copy or when -noaccurate_seek is used, it will be preserved. When transcoding and -accurate_seek is enabled (the default), this extra segment between the seek point and position will be decoded and discarded. Note that in most formats it is not possible to seek exactly, so ffmpeg will seek to the closest seek point before position. Side Note: An answer on How to detect intervals of silence with FFMPEG may also be of interest.ĭifferences between seeking and duration as input or output When used as an output option (before an output url), decodes but discards input until the timestamps reach position.ĭuration and position follow the Time Duration Syntax :.When used as an input option (before -i), seeks in this input file to position.When used as an output option (before an output url), stop writing the output after its duration reaches duration.When used as an input option (before -i), limit the duration of data read from the input file.Note: -acodec is an alias for codec:a which can be specified also as c:aĪs specified in the Main Options FFMPEG Documentation ffmpeg -ss -i inputfile -t -c:a copy outputfile.ffmpeg -ss -t -i inputfile -c:a copy outputfile.I've found either of the following satisfactory for trimming my audio files: To expand a bit on Michael Madsens' Answer: ![]()
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