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waneli

金虫 (正式写手)

[交流] MIT教学录像下载方法

我把MIT教学录像链接贴出来之后,有的兄弟反映没法下载,其实在下载的时候只要把原来的url改变一下就可以下了,具体方法如下(在mit网站另一个网页处)我给贴出来了。每门课都有好几百兆甚至上g,按流量计费的地方要小心了,呵呵。

31. Is it possible to save the RealPlayer video files to a disk or to my hard drive?
Most of the video that MIT OCW provides is in a Real Video format delivered through streaming servers. Our goal in providing video in this format (in multiple bitrates) is to enable users with a variety of Internet connections to sample MIT OCW video offerings with a common browser plug-in without having to download large media files. However, users with slow connections will not enjoy a quality video experience. We value your feedback on this point and will give this attention as we enhance the site.

In the meantime, you will find that you can download our streaming video file if you prefer to play these files off-line. There are two  typical URL structures for links to MIT OCW video lecture delivered in a streaming format:

a) MIT OCW video files stored on the Akamai network will have URLs that look something like this
http://mfile.akamai.com/7870/rm/ ... 1-26aug1999-220k.rm

If you want to download this file and play it off-line, use the following URL -- the only difference is in the first part of the URL:
http://ocw.mit.edu/ans7870/18/18 ... 1-26aug1999-220k.rm

This same basic approach will work for all of the MIT OCW streaming videos stored on the Akamai network. Simply find the URL to the streaming media, and replace the first part of the URL:
http://mfile.akamai.com/7870/rm/ ... oad.akamai.com/7870 with http://ocw.mit.edu/ans7870

b) MIT OCW video files stored on the Internet Archive will have URLs that look something like this:
http://www.archive.org/stream/mi ... 1-05feb2003-220k.rm

To download this file and play it off-line, use the following URL -- the only difference is that you replace "stream" with "download":
http://www.archive.org/download/ ... 1-05feb2003-220k.rm

This same basic approach will work for all the MIT OCW streaming videos stored on the Internet Archive network. Simply find the URL to the streaming media file and replace the word "stream" with the word "download."

[ Last edited by imrking on 2005-12-19 at 16:13 ]
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