DTMF detector

Hi people,

I�m trying to develop a DTMF detector using goertzel algorithm in Blackfin
BF 532. My problems are:
1) Wath kind of filter may I use? 
2) What range may it has?


Kind regards

Sergio Fink

On Tue, 21 Nov 2006 19:11:58 -0600, "sergiofink"
<sergio@adatec.com.br> wrote:

>Hi people,
>
>I&#4294967295;m trying to develop a DTMF detector using goertzel algorithm in Blackfin
>BF 532. My problems are:
>1) Wath kind of filter may I use? 
>2) What range may it has?
>
>
>Kind regards
>
>Sergio Fink

Hi Sergio,

 searching the Internet for:

          +goertzel +dtmf

will provide all manner of information to 
you.

Good Luck,
[-Rick-]