HzToERB | R Documentation |
Converts from Hz to the number of Equivalent Rectangular Bandwidths (ERBs) below input frequency. See https://www2.ling.su.se/staff/hartmut/bark.htm and https://en.wikipedia.org/wiki/Equivalent_rectangular_bandwidth
HzToERB(h, method = c("linear", "quadratic")[1])
h |
vector or matrix of frequencies (Hz) |
method |
approximation to use |
ERBToHz
HzToSemitones
HzToNotes
HzToERB(c(-20, 20, 100, 440, 1000, NA))
f = 20:20000
erb_lin = HzToERB(f, 'linear')
erb_quadratic = HzToERB(f, 'quadratic')
plot(f, erb_lin, log = 'x', type = 'l')
points(f, erb_quadratic, col = 'blue', type = 'l')
# compare with the bark scale:
barks = tuneR::hz2bark(f)
points(f, barks / max(barks) * max(erb_lin),
col = 'red', type = 'l', lty = 2)
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