like this: https://valhalladsp.com/category/reverb/ ? yeah, seems like a good discussion going on ;) cheers
Em ter, 12 de mar de 2019 às 03:49, Matt Davey <[email protected]> escreveu: > Look up Sean Costello’s (valhalla reverbs)postings on forums and his > blog. He shares lots of things, but you have to dig for it all. > > https://valhalladsp.com/blog/ > > > On Tue, 12 Mar 2019 at 12:02, Alexandre Torres Porres <[email protected]> > wrote: > >> thanks everyone for all the "reverberation" >> >> >> Em qui, 7 de fev de 2019 às 09:23, Dario Sanfilippo < >> [email protected]> escreveu: >> >>> as far as I understand, the idea is to have an FDN, with whatever matrix >>> you've chosen, whose impulse response is as close as possible to white >>> noise. The filters that you put inside the network can then be used to >>> model different environments. >>> >>>> >> cool, thanks >> >> There is an algorithm on the website of J. O. Smith to calculate the best >>> approximation for a desired size while keeping the coprime relationship >>> between the lengths: >>> https://ccrma.stanford.edu/~jos/pasp/Prime_Power_Delay_Line_Lengths.html >>> . >>> >> >> awesome >> >> >>> My reverb in PD is a 16th order FDN with Hadamard matrix and 1pole >>> lowpass filters to model the absorption of high frequencies >>> >> >> yeah, I saw that on the facebook group, and also that you mentioned there >> it was based on a model by "Rocchesso". >> >> >>> I found these good reads: >>> >>> Rocchesso, D. 1997. “Maximally diffusive yet efficient feedback delay >>> networks for artificial reverberation.” In Signal Processing Letters, >>> IEEE 4 (9), 252255. >>> >>> Rocchesso, D., and J. O. Smith. 1997. “Circulant and Elliptic Feedback >>> Delay Networks for Artificial Reverberation.” I EEE Transactions on >>> Speech and Audio Processing 5 (1):51–63. >>> >> yup, that's the source then :) I was able to find them both online! >> >> Now, a question. You say it uses a Hadamard matrix, but I've realized >> it's basically the same matrix as used in [rev3~], it's only flipped >> vertically (I hope you know what I mean) and I ask if it is the same matrix >> or if this difference grants it to be another matrix that goes by a >> different name? >> >> >>> Ciao, >>> Dario >>> >> >> Tchau, obrigado >> _______________________________________________ >> [email protected] mailing list >> UNSUBSCRIBE and account-management -> >> https://lists.puredata.info/listinfo/pd-list >> >
_______________________________________________ [email protected] mailing list UNSUBSCRIBE and account-management -> https://lists.puredata.info/listinfo/pd-list
