Physics, 12.11.2019 03:31, ladypink94
The chord sung by the three roche sisters in the aliasing demonstration in class was b flat major, consisting of the notes bflat4, f4, and d4 ("4" refers to the fourth octave on the piano). the frequencies corresponding to these notes are 466.16 hz, 349.23hz, and 293.66hz. assume each singer’s voice contains very strong second and third harmonics in addition to the fundamental pitch. if sampled at 1600 samples per second (way too what frequencies would appear in the range 0hz - 800hz? this is the range that would be retained by a lowpass filter when reconstructing the signal from the samples. (note: the 2nd harmonic is twice the fundamental frequency; the 3rd harmonic is three times the fundamental. this is a little different from the way "partials" often are numbered.)
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The chord sung by the three roche sisters in the aliasing demonstration in class was b flat major, c...
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