westocl wrote:
> Hello all.
>
> Is it feasable to do an fft in 'real time' on different 'blocks' of data?
>
> (i understand the nomenclature real time may be inappropriate).
>
>
> Im thinking, in general usage of an FFT, some x[n] comes in one sample at
> a time and fills up a buffer and when that buffer (lets call it 128 time
> domain samples) is filled a FFT is taken and the 'output' is 128 points of
> frequncy domain data.
>
> Now.. instad of somthing like a sliding DFT where a window evaluates the
> previous 127 samples along with one new one, i have a situation where i
> want to give the 'fft buffer' 128 NEW data points... so every single 'time
> instant'...128 new x[n] data are available.
>
> If this were done would I get a new FFT output at every time instant?

You confused me. 128 new instances of x[n] for every n? How?

Jerry
--
Engineering is the art of making what you want from things you can get.
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