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. |
Returns a chirped version of the input vector.
Definition at line 445 of file lpcfunc.cpp.
References it_error_if.
Spectral distortion between two vectors, in dB.
Definition at line 531 of file lpcfunc.cpp.
References itpp::energy(), itpp::poly2cepstrum(), and itpp::sqrt().
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(), itpp::sqr(), and itpp::sqrt().
Computes reflection coefficients from autocorrelation, using the Le-Roux-Guegen algorithm.
Definition at line 503 of file lpcfunc.cpp.
Levinson - Levinson-Durbin recursion.
Definition at line 74 of file lpcfunc.cpp.
References itpp::any(), and itpp::R.
Referenced by itpp::lpc().
Computes the autocorrelation function.
Definition at line 56 of file lpcfunc.cpp.
References itpp::R, and itpp::sum().
Referenced by itpp::lpc().
lpc - Linear Predictive Coefficients using autocorrelation method.
Definition at line 123 of file lpcfunc.cpp.
References itpp::autocorr(), and itpp::levinson().
ac2rc - Autocorrelation sequence to reflection coefficients conversion.
ac2poly - Autocorrelation sequence to prediction polynomial conversion.
is2rc - Inverse sine parameters to reflection coefficients conversion.
lar2rc - Log area ratios to reflection coefficients conversion.
Definition at line 208 of file lpcfunc.cpp.
References itpp::exp().
lsf2poly - Line spectral frequencies to prediction polynomial conversion.
Definition at line 362 of file lpcfunc.cpp.
References itpp::cos(), and it_error_if.
poly2ac - Prediction polynomial to autocorrelation sequence conversion.
Definition at line 128 of file lpcfunc.cpp.
References itpp::any(), it_error_if, itpp::poly2rc(), and itpp::sqr().
poly2lsf - Prediction polynomial to line spectral frequencies conversion.
Definition at line 245 of file lpcfunc.cpp.
References itpp::acos(), itpp::cos(), itpp::FNevChebP_double(), itpp::pi, and itpp::sin().
poly2rc - Prediction polynomial to reflection coefficients conversion.
Definition at line 159 of file lpcfunc.cpp.
References itpp::any().
Referenced by itpp::poly2ac().
poly2cepstrum - Prediction polynomial to cepstrum conversion.
Definition at line 397 of file lpcfunc.cpp.
Referenced by itpp::sd().
poly2cepstrum - Prediction polynomial to cepstrum conversion, to the specified order.
Definition at line 410 of file lpcfunc.cpp.
References it_error_if.
cepstrum2poly - Cepstrum to prediction polynomial conversion.
Definition at line 431 of file lpcfunc.cpp.
rc2ac - Reflection coefficients to autocorrelation sequence conversion.
rc2is - Reflection coefficients to inverse sine parameters conversion.
rc2lar - Reflection coefficients to log area ratios conversion.
Definition at line 197 of file lpcfunc.cpp.
References itpp::log().
rc2poly - Reflection coefficients to prediction polynomial conversion.
Definition at line 180 of file lpcfunc.cpp.
References itpp::any().
Generated on Wed Apr 18 11:23:37 2007 for IT++ by Doxygen 1.5.2