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['F446 documentation] SPDIF-Rx - formula calculating sample rate from WIDTH5 can be improved

Question asked by waclawek.jan on Feb 1, 2018

Based on experiments, Fs=5*Fspidfrx_clk/((WIDTH5+2)*64) gives more precise estimate.


(Amazingly enough, even for the values given in the example this formula gets closer to 44100Hz).


I understand that the granularity is still too big for any practical precise measurement of the sample rate, but why not make things as good as they can be?