I learned DCT's without a good math background, so it can be done. I looked at sample code, and compared it to the equations. Eventually it started to make sense. I used Excel to work it all out graphically. Maybe I should post those spreadsheets...
BTW if you just want to write decoders, you're probably better off using a library and just think of it as magic. Why do you need to really understand it anyway? Is that some sort of fetish of yours?
BTW if you just want to write decoders, you're probably better off using a library and just think of it as magic. Why do you need to really understand it anyway? Is that some sort of fetish of yours?