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I know this is a strange question as its hard to do in digital domain. I know it is a straight forward task if the signal is defined within N number of samples where I can go to Fourier transform multiplied by complex sinusoidal with inverse period of that fractional delay and then come back to time domain through IFFT. Is it possible to do in GNURadio ?

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  • $\begingroup$ Yes, that's possible, using a filter delay $\endgroup$
    – user54583
    Dec 11 '20 at 2:11
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    $\begingroup$ Very good overview on fractional delays: ieeexplore.ieee.org/document/482137 $\endgroup$
    – Hilmar
    Dec 11 '20 at 2:45
  • $\begingroup$ i remember that. it was in the IEEE Signal Processing magazine. the second author Vesa Valimaki is an AES acquaintance of mine. $\endgroup$ Dec 11 '20 at 2:59
  • $\begingroup$ Thanks for pointing me to right reference. $\endgroup$
    – sam patel
    Dec 11 '20 at 16:49

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