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Hi Dennis,

hello Günter,
it looks like this DCT has only a fixed size of 64. 
Or am I wrong ?.
I need a size of 64k.

Thanks

Dennis

----- Original Message ----- 
From: Günter Dannoritzer<dannoritzer@w...> 
To: 
Date: Wed Jul  7 15:09:43 CEST 2004 
Subject: [oc] radix 4 complex fft by ZHAO Ming ==> DCT 

> Hi Dennis, 
> 
> Did you have a look into the "video compression system" 
> project? I think 
> it includes a DCT block. 
> Guenter 
> Greetings back from the Rhein-Main area. Seems like we will get a 
> rainy 
> summer. 
> dennis.binder@i... wrote: 
> > hello, 
> > 
> > I tried the cfft code with 64k and external dualported srams. 
> > everything worked well. 
> > because i'm analysing an interferrogramm, I neither need a 
> complex fft 
> > nor a fft, but a discret cosinus transform would be enough. 
> > As a consequence, I would get disposed of one external 
> dport-ram (the 
> > Qram). 
> > 
> > maybe anybody has an idea, how to modify the original code to 
> get 
> > get cosinus transform. 
> > I tried the cfft code with only one external ram, but the 
> intermediate 
> > results 
> > of the core are mixed in both dport-rams. 
> > 
> > glad about any response and still waiting 
> > 
> > greeting from the rainy south of germany 
> > Dennis 
> > _______________________________________________ 
> > http://www.opencores.org/mailman/listinfo/cores 
> > 
> 
> 