if, by a 1024 window that means you are looking at your original samples from x[n-512] up to x[n+512], i would say that it's overkill.

sometimes, when doing interpolation there is an upsampling factor implied. if there is an upsampling factor of, say, 32 in there, and you're really only considering samples from x[n-8] to x[n+8], then i would say it's not enough.

bestest,

r b-j


On 9/11/15 10:20 AM, Victor Lazzarini wrote:
Excellent, thanks.
========================
Dr Victor Lazzarini
Dean of Arts, Celtic Studies and Philosophy,
Maynooth University,
Maynooth, Co Kildare, Ireland
Tel: 00 353 7086936
Fax: 00 353 1 7086952

On 11 Sep 2015, at 09:16, Stefan Stenzel<stefan.sten...@waldorfmusic.de>  wrote:

No.

On 10 Sep 2015, at 21:15 , Victor Lazzarini<victor.lazzar...@nuim.ie>  wrote:

Is there much to gain in going above a 1024 window, when doing sinc 
interpolation (for table lookup applications)?

(simple question; no intention of starting flame wars; not asking about any 
other method, either ;) )

Victor Lazzarini
Dean of Arts, Celtic Studies, and Philosophy
Maynooth University
Ireland
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--

r b-j                  r...@audioimagination.com

"Imagination is more important than knowledge."



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