Biocrawler:Media
From Biocrawler, the free encyclopedia.
(Redirected from Biocrawler:Sound)
The purpose of this page is to explain how to make and convert video and audio into the format usable on Biocrawler: Ogg Vorbis. For help playing such files, see Biocrawler:Media help.
Biocrawler uses Ogg Vorbis for sound and Ogg Theora for video. The Ogg Vorbis format is similar to the better-known MP3 format except that audio quality is higher and, unlike MP3, the encoders and decoders are not encumbered by patents. A decision (http://mail.wikipedia.org/pipermail/wikitech-l/2004-July/011514.html) has been made that MP3 files will not be hosted at Biocrawler.
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Video
Because most popular movie/audio formats are patented and require a royalty, there are no free all purpose video converters.
- For video, ffmpeg2theora (http://www.v2v.cc/~j/ffmpeg2theora/examples.html) is a command line encoder capable of converting numerous file formats (.mov, .mpg, .mpeg, .avi) into Ogg Theora. It works on Windows, Macintosh, and Linux/Unix.
- You can also use the encoder_example application included with libtheora (http://www.theora.org) in combination with a program like MPlayer [1] (http://www.mplayerhq.hu/) that is capable of dumping raw (yuv4mpeg) video and sound to encode in Ogg Theora.
- For assistance with conversion, try contacting:
- Raul654
- brian0918 (Windows only)
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Audio
- For audio, Audacity (http://audacity.sourceforge.net/) is a high quality sound editor for Windows, Macintosh, and Linux/Unix. To use Audacity on mp3s, it requires that you install LAME.
- Lame download page for Windows (http://mitiok.free.fr/) or the GUI winLAME (http://winlame.sourceforge.net/) which includes Ogg Vorbis encoding capabilities
- Lame download page for Macintosh (http://spaghetticode.org/lame/)
- dBpowerAMP Music Converter (http://www.dbpoweramp.com/dmc.htm) offers an easy-to-use GUI for encoding to Ogg Vorbis. The Vorbis codec must be downloaded separately from the software, but it is freely available from the same website.
- The command-line tool mpg321 (http://mpg321.sourceforge.net/), based on libmad (http://www.underbit.com/products/mad/) is a free mp3 decoder that can be used to play or decode mp3 files. The result can be encoded into Ogg Vorbis using oggenc or another vorbis-enabled encoder.
- The easiest way to play ogg vorbis files on legacy Macintoshes (OS 9 and lower) is to use JustOgg. (http://hyperarchive.lcs.mit.edu/HyperArchive/Abstracts/gst/snd/HyperArchive.html)
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Lists of uploaded music
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