Windowed

Windowed sinc interpolation

Windowed sinc interpolation
  1. What is Windowed sinc?
  2. How does sinc interpolation work?

What is Windowed sinc?

Windowed-sinc filters are used to separate one band of frequencies from another. They are very stable, produce few surprises, and can be pushed to incredible performance levels.

How does sinc interpolation work?

The well known and commonly used digital signal processing method for discrete sinc-interpolation is 'zero padding'. It is implemented by padding the signal discrete Fourier transform (DFT) spectrum with an appropriate number of zeros and performing the inverse transformation of the padded spectrum.

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