Tag Archives: ffmpeg

better mp4 (h.264) derivatives at archive.org!

Late last week, we pushed live a new video deriving technique, as well as in the process updated our audio/video file reader, ffmpeg. New items will benefit from this newer method, and prior items can be re-derived by users if … Continue reading

Posted in Video Archive | Tagged , , , , , | 2 Comments

Audio and Video improvements

Hi Patrons, Yesterday we made live a large update to the way we create the audio and video displayed on our site.  Most folks might not notice the changes, so here’s a rundown: For Audio: We can now read and … Continue reading

Posted in Audio Archive, Video Archive | Tagged , , , , | 40 Comments

Fast and reliable way to encode Theora Ogg videos using ffmpeg, libtheora, and liboggz

archive.org has started to make theora derivatives for movie files, where we create an Ogg Theora video format output for each movie file. after trying a bunch of tools over a good corpus of wide-ranging videos, i found a neat … Continue reading

Posted in Video Archive | Tagged , , , , , | 14 Comments