On 1/6/17, Ethan Lewis <[email protected]> wrote: > Hello > > I was converting a bunch of youtube videos into 16kHz wav files using ffmpeg > > I used the following commands > > youtube-dl -f best /path/to/youtube/video/ -f 'bestvideo,bestaudio' -o > '%(title)s.f%(format_id)s.%(ext)s' > > ffmpeg -i /path/to/download/m4a/audio -acodec pcm_s16le -ar 16000 -ac > test1.wav > > When I use these youtube videos > > https://www.youtube.com/watch?v=E1mGPeLqg2g > https://www.youtube.com/watch?v=XBFOP_pF7PY > > I see many blank spots in their spectrograms (see the ones uploaded here > https://drive.google.com/file/d/0BzNdoGke8tyRSGgwUUtSTkgxdEE/view?usp=sharing > ) > > Natural speech should not have such artefacts. > > I am confused why this is happening. Is it because of ffmpeg conversion of > m4a audio OR was it somehow fault of the original recording?
Have you compared with original audio? prior to resampling with ffmpeg? _______________________________________________ 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".
