All-Pass FIR

Allan Herriman wrote:

> On Thu, 12 Aug 2004 10:30:13 -0400, Jerry Avins <jya@ieee.org> wrote:
> 
> 
>>Paul Russell wrote:
>>
>>
>>>Frank wrote:
>>>
>>>
>>>>>Coefficients for a three tap all-pass filter:
>>>>>
>>>>>0 1 0
>>>>>
>>>>>What are the coefficients for a four tap, all-pass filter?
>>>>
>>>>
>>>>
>>>>0 1 0 0
>>>>
>>>
>>>0 0 1 0 works pretty good too, I hear.
>>>
>>>Paul
>>
>>
>>0 0 0 1 and 1 0 0 0 complete the set.
> 
> 
> 1 0 0 0 is the minimum phase version.  Surely this would sound better
> than 0 0 0 1.
> 
> Regards,
> Allan.

I guess so, but how much better depends on the sample rate.

Jerry
-- 
... the worst possible design that just meets the specification - almost
a definition of practical engineering.                     .. Chris Bore
&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;

John Phillips wrote:

> Thanks for all your comments, even the funny ones.

I hope it's clear to you that we directed the funny ones to one another.
I hope the answers directly to you were straightforward and informative.

Jerry
-- 
... the worst possible design that just meets the specification - almost
a definition of practical engineering.                     .. Chris Bore
������������������������������������������������������������������������

The thoughts and the jokes made me think and to get the answer that I
needed.  That is what counts plus I enjoyed the jokes.
Thanks again,

John


"Jerry Avins" <jya@ieee.org> wrote in message
news:411cd331$0$5904$61fed72c@news.rcn.com...
> John Phillips wrote:
>
> > Thanks for all your comments, even the funny ones.
>
> I hope it's clear to you that we directed the funny ones to one another.
> I hope the answers directly to you were straightforward and informative.
>
> Jerry
> -- 
> ... the worst possible design that just meets the specification - almost
> a definition of practical engineering.                     .. Chris Bore
> &#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;
>

"John Phillips" <jsp5646@hotmail.com> wrote in news:ZPdTc.192847
$tH1.9754504@twister.southeast.rr.com:

> The thoughts and the jokes made me think and to get the answer that I
> needed.  That is what counts plus I enjoyed the jokes.
> Thanks again,
> 
> John
> 
>

Jokes? Randy is an audiophile. I'm sure he has being quite serious.

Al Clark





 
> "Jerry Avins" <jya@ieee.org> wrote in message
> news:411cd331$0$5904$61fed72c@news.rcn.com...
>> John Phillips wrote:
>>
>> > Thanks for all your comments, even the funny ones.
>>
>> I hope it's clear to you that we directed the funny ones to one 
another.
>> I hope the answers directly to you were straightforward and 
informative.
>>
>> Jerry
>> -- 
>> ... the worst possible design that just meets the specification - 
almost
>> a definition of practical engineering.                     .. Chris 
Bore
>> 
&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;&#4294967295;
>>
> 
> 
> 



-- 
Al Clark
Danville Signal Processing, Inc.
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