Library Monk - the blog of Dan Greene



Friday, May 4th, 2007

Library Podcast… file extension issues

I’ve been working on putting a podcast up for The Commons at work. Which is a little harder than it sounds. First I had to figure out podcast RSS feeds. The University of Washington has a good site for that.

Then there was an issue with the .m4a file that GarageBand saves podcasts as. .m4a is not an official MIME media type, which means it’s probably not going to be in the Apache mime types. At least it wasn’t for the library web server. And it might not hurt to add .m4v as well.

AddType video/mp4 .m4v
AddType audio/mp4 .m4a

MPEG 4 has various (and mostly interchangeable) file extensions, although .mp4 is the only official extension. But Apple has popularized .m4a and .m4v into what appear to be defacto standards.

This entry was posted on Friday, May 4th, 2007 at 2:22 pm and is filed under Information Technology, Knoxville, Libraries, Library & Information Science, Social Libraries/Library 2.0, Web Design and Work at Hodges. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.

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Written by Dan Greene, web designer and library geek. Topics covered here include Library and Information Science, Information Technology, web design, and maybe even a monk or two (more...)

There have been 462 entries and 351 comments posted since this blog was started in May 2003.