Re: [Audacity-devel] Classic Filters status

[Steve t. F. <ste...@gm...>]

On 26 December 2014 at 21:57, Norm C <n_b...@ho...> wrote:
> Stevethefiddle wrote
>> What would be typical applications of Chebyshev type I and type II filters
>> for end users of Audacity?
>>
>> Steve
>
> Probably the biggest use would be for modelling hardware or software that
> uses Chebyshev filters (modelling is a topic of considerable research these
> days). Other reasons for selecting Chebyshev over Butterworth would include
> reducing the worst-case group delay by being able to use a lower filter
> order to meet a specified magnitude response, and for designing your own
> hardware-based or DSP-based filters, in which filter order is a significant
> cost factor.

Thanks Norm. I can see how that is important in SPICE software
(http://en.wikipedia.org/wiki/SPICE).

Steve

>
> Norm
>
>
>
>
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