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Diffstat (limited to 'macros/rceps.sci')
| -rw-r--r-- | macros/rceps.sci | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/macros/rceps.sci b/macros/rceps.sci index 065e482..8b4d89a 100644 --- a/macros/rceps.sci +++ b/macros/rceps.sci @@ -1,5 +1,17 @@ function [y, xm]= rceps(x) - +//Produce the cepstrum of the signal x, and if desired, the minimum phase reconstruction of the signal x. +//Calling Sequence +//[y, xm] = rceps(x) +//Parameters +//x: real or complex vector input +//Produce the cepstrum of the signal x, and if desired, the minimum phase reconstruction of the signal x. If x is a matrix, do so for each column of the matrix. +//Examples +// f0 = 70; Fs = 10000; # 100 Hz fundamental, 10kHz sampling rate +// a = poly (0.985 * exp (1i*pi*[0.1, -0.1, 0.3, -0.3])); # two formants +// s = 0.005 * randn (1024, 1); # Noise excitation signal +// s(1:Fs/f0:length(s)) = 1; # Impulse glottal wave +// x = filter (1, a, s); # Speech signal in x +// [y, xm] = rceps (x .* hanning (1024)); # cepstrum and min phase reconstruction funcprot(0) lhs= argn(1) rhs= argn(2) |