lpc2cep {tuneR} | R Documentation |
LPC to cepstra conversion
Description
Convert the LPC coefficients in each column of a
into frames of cepstra.
Usage
lpc2cep(a, nout = nrow(a))
Arguments
a |
Matrix of LPC coefficients. |
nout |
Number of cepstra to produce. |
Value
Matrix of cepstra (one column per time frame).
Author(s)
Sebastian Krey krey@statistik.tu-dortmund.de
References
Daniel P. W. Ellis: https://www.ee.columbia.edu/~dpwe/resources/matlab/rastamat/
See Also
Examples
testsound <- normalize(sine(400) + sine(1000) + square(250), "16")
pspectrum <- powspec(testsound@left, testsound@samp.rate)
aspectrum <- audspec(pspectrum, testsound@samp.rate)
lpcas <- dolpc(aspectrum$aspectrum, 8)
cepstra <- lpc2cep(lpcas)
[Package tuneR version 1.4.7 Index]