Erik de Castro Lopo wrote:
>
> I am aiming for a filter with a very narrow transition band and stop
> band attentuation of at least 96dB. This requires large numbers of
> coefficients (>256) and for problems like this, the Remez algorithm
> fails miserably.
FFT is ideal for that kind of filterin
On Fri, 21 Dec 2001, Juhana Sadeharju wrote:
> The official sample rates for LAD could be 48000 Hz and 96000 Hz,
> not 44100 Hz. But we need that resampler because CD is reality
Um, I'm really not sure what's meant by "official" here, but I think any
move to featuring support only for certain "o
On Fri, 21 Dec 2001 21:35:41 +0200
Juhana Sadeharju <[EMAIL PROTECTED]> wrote:
> >From:Erik de Castro Lopo <[EMAIL PROTECTED]>
> >
> >My version uses sinc interpolation by small integer factors (2,3,4,..)
> >followed by linear or cubic interpolation. This should even allow time
> >varying
>From: Erik de Castro Lopo <[EMAIL PROTECTED]>
>
>My version uses sinc interpolation by small integer factors (2,3,4,..)
>followed by linear or cubic interpolation. This should even allow time
>varying SRC.
Two step FIR interpolation followed by spline/lagrange interpolation
seems to be used qui
On Wed, 19 Dec 2001 17:21:09 +0200
Juhana Sadeharju <[EMAIL PROTECTED]> wrote:
> >Been there; done that; have no desire to do it again. Resampled 48khz to
> >44.1 khz sounds worse to my ears than the D/A->A/D converted signal.
> [ ... ]
> >IMHO, 88.2 sounds better than 96, if the result is goin
