I've done many resamplers over the decades (48<->32, 24,16,8) and always
used FIRs for these reasons.
Tom
On 7/23/2018 6:25 PM, Nigel Redmon wrote:
Some articles on my website:
http://www.earlevel.com/main/category/digital-audio/sample-rate-conversion/,
especially the 2010 articles, but the
libsamplerate, aka Secret Rabbit Code, has been relicensed under a 2 clause
BSD license a while ago. Maybe you want to give it a try:
https://github.com/erikd/libsamplerate
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On 20-Jul-18 18:13, Mehdi Touzani wrote:
So... how do you do a resonance in a lowpass circuit? :-) not the
math, not the code, just the architecture.
There are many different ways to create resonance in a lowpass circuit
(esp. if the order is larger than 2). The higher is the order of the
On Mon, Jul 23, 2018 at 3:08 AM, Henrik G. Sundt wrote:
> This solution, without using any low pass filters before and after the
> desimation, will generate a lot of aliasing frequencies, Kjetil!
>
> Here is another solution:
>
On Mon, Jul 23, 2018 at 3:08 AM, Henrik G. Sundt wrote:
> This solution, without using any low pass filters before and after the
> desimation, will generate a lot of aliasing frequencies, Kjetil!
>
>
No doubt. I did write "Not the best sound quality though." :-)
Alex didn't write about his
In the physical world, resonance can generally be observed as the
frequency-dependent cyclic exchanging of energy between potential (stored) and
kinetic (active) forms. A pendulum is a basic example: at either end of its
swing a pendulum exhibits purely its maximal stored potential energy while
Any textbook study of resonant circuits and, using bilinear mapping a
discrete-time counterpart, 3 dB bandwidths and Q is about a 2nd-order system.
A hemholtz resonator or a comb filter have resonance at many frequencies and
they are much higher order tHan 2. The are also tuned to
