Functions | |
vec | itpp::chirp (const vec &a, double factor) |
Returns a chirped version of the input vector. | |
double | itpp::sd (const vec &In1, const vec &In2) |
Spectral distortion between two vectors, in dB. | |
double | itpp::sd (const vec &In1, const vec &In2, double highestfreq) |
Spectral distortion between two vectors, in dB, up to highest frequency highestfreq. | |
vec | itpp::lerouxguegenrc (const vec &R, int order) |
Computes reflection coefficients from autocorrelation, using the Le-Roux-Guegen algorithm. | |
vec | itpp::levinson (const vec &R2, int order) |
Levinson - Levinson-Durbin recursion. | |
vec | itpp::autocorr (const vec &x, int order) |
Computes the autocorrelation function. | |
vec | itpp::lpc (const vec &x, int order) |
lpc - Linear Predictive Coefficients using autocorrelation method. | |
vec | itpp::schurrc (const vec &R, int order) |
schurrc - Schur algorithm. | |
vec | itpp::ac2rc (const vec &ac) |
ac2rc - Autocorrelation sequence to reflection coefficients conversion. | |
vec | itpp::ac2poly (const vec &ac) |
ac2poly - Autocorrelation sequence to prediction polynomial conversion. | |
vec | itpp::is2rc (const vec &is) |
is2rc - Inverse sine parameters to reflection coefficients conversion. | |
vec | itpp::lar2rc (const vec &lar) |
lar2rc - Log area ratios to reflection coefficients conversion. | |
vec | itpp::lsf2poly (const vec &lsf) |
lsf2poly - Line spectral frequencies to prediction polynomial conversion. | |
vec | itpp::poly2ac (const vec &poly) |
poly2ac - Prediction polynomial to autocorrelation sequence conversion. | |
vec | itpp::poly2lsf (const vec &poly) |
poly2lsf - Prediction polynomial to line spectral frequencies conversion. | |
vec | itpp::poly2rc (const vec &poly) |
poly2rc - Prediction polynomial to reflection coefficients conversion. | |
vec | itpp::poly2cepstrum (const vec &a) |
poly2cepstrum - Prediction polynomial to cepstrum conversion. | |
vec | itpp::poly2cepstrum (const vec &a, int num) |
poly2cepstrum - Prediction polynomial to cepstrum conversion, to the specified order. | |
vec | itpp::cepstrum2poly (const vec &c) |
cepstrum2poly - Cepstrum to prediction polynomial conversion. | |
vec | itpp::rc2ac (const vec &rc) |
rc2ac - Reflection coefficients to autocorrelation sequence conversion. | |
vec | itpp::rc2is (const vec &rc) |
rc2is - Reflection coefficients to inverse sine parameters conversion. | |
vec | itpp::rc2lar (const vec &rc) |
rc2lar - Reflection coefficients to log area ratios conversion. | |
vec | itpp::rc2poly (const vec &rc) |
rc2poly - Reflection coefficients to prediction polynomial conversion. |
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Returns a chirped version of the input vector.
Definition at line 445 of file lpcfunc.cpp. References it_error_if. |
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Spectral distortion between two vectors, in dB.
Definition at line 531 of file lpcfunc.cpp. References itpp::energy(), itpp::poly2cepstrum(), and itpp::sqrt(). |
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Spectral distortion between two vectors, in dB, up to highest frequency highestfreq.
Definition at line 537 of file lpcfunc.cpp. References itpp::abs(), itpp::filter_spectrum(), itpp::log10(), itpp::round(), and itpp::sqr(). |
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Computes reflection coefficients from autocorrelation, using the Le-Roux-Guegen algorithm.
Definition at line 503 of file lpcfunc.cpp. |
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Levinson - Levinson-Durbin recursion.
Definition at line 74 of file lpcfunc.cpp. References itpp::any(). Referenced by itpp::lpc(). |
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Computes the autocorrelation function.
Definition at line 56 of file lpcfunc.cpp. References itpp::sum(). Referenced by itpp::lpc(). |
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lpc - Linear Predictive Coefficients using autocorrelation method.
Definition at line 123 of file lpcfunc.cpp. References itpp::autocorr(), and itpp::levinson(). |
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schurrc - Schur algorithm.
Definition at line 460 of file lpcfunc.cpp. |
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ac2rc - Autocorrelation sequence to reflection coefficients conversion.
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ac2poly - Autocorrelation sequence to prediction polynomial conversion.
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is2rc - Inverse sine parameters to reflection coefficients conversion.
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lar2rc - Log area ratios to reflection coefficients conversion.
Definition at line 208 of file lpcfunc.cpp. References itpp::exp(). |
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lsf2poly - Line spectral frequencies to prediction polynomial conversion.
Definition at line 362 of file lpcfunc.cpp. References it_error_if. |
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poly2ac - Prediction polynomial to autocorrelation sequence conversion.
Definition at line 128 of file lpcfunc.cpp. References itpp::any(), it_error_if, itpp::Vec< Num_T >::length(), and itpp::poly2rc(). |
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poly2lsf - Prediction polynomial to line spectral frequencies conversion.
Definition at line 245 of file lpcfunc.cpp. References itpp::pi. |
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poly2rc - Prediction polynomial to reflection coefficients conversion.
Definition at line 159 of file lpcfunc.cpp. References itpp::any(). Referenced by itpp::poly2ac(). |
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poly2cepstrum - Prediction polynomial to cepstrum conversion.
Definition at line 397 of file lpcfunc.cpp. Referenced by itpp::sd(). |
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poly2cepstrum - Prediction polynomial to cepstrum conversion, to the specified order.
Definition at line 410 of file lpcfunc.cpp. References it_error_if. |
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cepstrum2poly - Cepstrum to prediction polynomial conversion.
Definition at line 431 of file lpcfunc.cpp. |
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rc2ac - Reflection coefficients to autocorrelation sequence conversion.
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rc2is - Reflection coefficients to inverse sine parameters conversion.
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rc2lar - Reflection coefficients to log area ratios conversion.
Definition at line 197 of file lpcfunc.cpp. References itpp::log(). |
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rc2poly - Reflection coefficients to prediction polynomial conversion.
Definition at line 180 of file lpcfunc.cpp. References itpp::any(). |
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