Thanks. After looking it over I decided to try correlation in the time domain
(really frequency, but performed as if in time domain) since I'm correlating
two log specra, that's a 1-D N-bin sized correlation with positive offsets
only.
Still, it seems like correlation belongs in processings, not within one
particular components src folder.
Sent from my Verizon Wireless BlackBerry
-----Original Message-----
From: Pau Arumí <pau.ar...@barcelonamedia.org>
Sender: clam-devel-boun...@lists.clam-project.orgDate: Fri, 27 May 2011
15:09:22
To: CLAM development list<clam-devel@lists.clam-project.org>
Reply-To: CLAM development list <clam-devel@lists.clam-project.org>
Subject: Re: [clam-devel] CrossCorrelation visibility
El dg 22 de 05 de 2011 a les 05:52 +0200, en/na Nathan Stewart va
escriure:
> I finally uncovered
> CLAM/plugins/spacialization/src/CrossCorrelation.{hxx,cxx} - and I'm a
> bit puzzled that not only is this buried, but the use of the namespace
> 'Hidden' suggests it was done so on purpose. More importantly, it's
> not installed with the other headers. I'm actually looking to run
> cross correlation on spectra, and I believe a 512 point spectrum will
> adequately handle my needs - so I don't know if doing it in the
> frequency domain is still more efficient.
Hi Nathan,
the code you see like this one
namespace Hidden
{
static const char* metadata[] = {
"key", "CrossCorrelation",
"category", "[plugin] New Spectral Processing",
"description", "CrossCorrelation",
0
};
static FactoryRegistrator<ProcessingFactory, CrossCorrelation>
reg = metadata;
}
is a C++ idiom. The intention of this code is not to provide a public
interface but to automatically set up things (register processing
creator method and metadata) at load time. Hence the namespace Hidden.
> Is there any chance this could be moved into the installed headers for
> CLAM, or are there reasons for not doing so?
Well it is just that the authors use this as a clam processings plugin,
not as a library to link external code against it.
Best,
Pau
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