<story><title>An Interactive Introduction to Fourier Transforms</title><url>http://www.jezzamon.com/fourier/index.html</url></story><parent_chain></parent_chain><comment><author>agurk</author><text>This is great as it doesn&amp;#x27;t just explain the basics, it also shows how they are used in MP3 and JPEG files.&lt;p&gt;I always had a very vague &amp;quot;throws away data that&amp;#x27;s not perceived&amp;quot; idea of how MP3 works. With the background from this I was able to really understand the wikipedia page and found this great Ars[0] article from 2007 to cement my understanding.&lt;p&gt;[0] &lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;arstechnica.com&amp;#x2F;features&amp;#x2F;2007&amp;#x2F;10&amp;#x2F;the-audiofile-understanding-mp3-compression&amp;#x2F;&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;arstechnica.com&amp;#x2F;features&amp;#x2F;2007&amp;#x2F;10&amp;#x2F;the-audiofile-under...&lt;/a&gt;</text></comment>
<story><title>An Interactive Introduction to Fourier Transforms</title><url>http://www.jezzamon.com/fourier/index.html</url></story><parent_chain></parent_chain><comment><author>Waterluvian</author><text>This is incredible.&lt;p&gt;If I wanted to collect things like this to teach my kids, where do I look? How do we gather amazing resources like this in one spot?&lt;p&gt;I particularly love that it focuses on one topic and nails it.</text></comment>