Re: [Discuss-gnuradio] Comb Filter

[Eric Blossom]

On Tue, Jan 04, 2005 at 03:43:17PM -0500, cswiger wrote:
> 
> and other pages on the same site. A basic comb filter is pretty easy to
> create:
> 
> comb = gr.fir_filter_fff (1, [1, 0, 0, 0, 0, 1])
> 
> will give you 5 notches between 0 and sample rate, etc. However I didn't
> see anything specific to ntsc seperation (that I could understand ;).
> I used that with some noise and the fft display and it indeed makes a comb
> filter.
> 
> Like Eric said using something like the above might not be fast
> enough for real-time video.

However, it would let you get started without having to write and
debug a new block.
 
  "Premature optimization is the root of all evil" -- C.A.R. Hoare

Eric