[sdiy] Digital interpolation filtering

[Eric Brombaugh]

On May 31, 2009, at 10:30 AM, Aaron Lanterman wrote:

>
> On May 31, 2009, at 10:56 AM, Eric Brombaugh wrote:
>
>> For example, suppose you wanted to generate a set of FIR filter  
>> coefficients and plot the frequency response. In Octave, I'd do it  
>> like this:
>>
>> b = remez(35, [0 .14 .22 1], [1 1 0 0]);
>> freqz(b, 1);
>>
>> The first line uses the Parks-McClellan / Remez Exchange algorithm  
>> to optimize a set of FIR coefficients.
>
> Jim McClellan's office is about four doors down from mine.
>
> He's a great role model for young faculty.

Wikipedia seems to have a fairly detailed write-up about Parks- 
McClellan:

http://en.wikipedia.org/wiki/Parks-McClellan_filter_design_algorithm

It must be interesting to have such a fundamental tool bearing your  
name. Thirty seven years later is it a good thing or not?

Eric