| Author |
Message |
krespomx
Joined: 20 May 2001
Posts: 40
Location: MXO
|
 11 Apr 2002 8:18 |
|
|
|
hi i looking an aplicattion to build a digital filter!!!
any type, just for learning, purposes!!!
|
|
| Back to top |
|
 |
Moss
Joined: 24 Jul 2001
Posts: 187
Helped: 7
|
| 18 Apr 2002 0:14 |
|
|
|
| There is a lot specialazed uC for DSP tasks - for example ADSP-21XX , TMS320C54XX. They calculate simple FIR filter with single instruction. Other big advantage of these DSP chips is that they have very good overflow handling algorithm and conseqently is "dificult" to lose information. Just look at the "ADSP218X instruction set reference" from analog.com ( chapter 3- software examples))
|
|
| Back to top |
|
|
pado777
Joined: 13 Jul 2001
Posts: 20
|
| 25 Apr 2002 5:53 |
|
|
|
How about audio sample rate converter ?
44.1KHz -> 22.05KHz
It's easy.
| Quote: |
On 2002-04-11 08:18, krespomx wrote:
hi i looking an aplicattion to build a digital filter!!!
any type, just for learning, purposes!!!
|
|
|
| Back to top |
|
|
krespomx
Joined: 20 May 2001
Posts: 40
Location: MXO
|
| 25 Apr 2002 17:42 |
|
|
|
any frecuency, just to learn, of course if exist more than one...
Thx
|
|
| Back to top |
|
|
Element_115
Joined: 23 Mar 2002
Posts: 304
Helped: 20
|
| 26 Apr 2002 0:43 |
|
|
|
In Matlab 6.0 + , you can type :
help remez
and read the instructions for syntax. "Remez" is an equiripple FIR. And at the end of this help file there are other filter types to choose from. look for the:
"Also see FIRLS,......."
line at the bottom.
You can also see the code for each file by typing (at the Matlab command line)
"edit remez", and study the methodology
Hope this helps
|
|
| Back to top |
|
|
