DEPRECATED. Searches for the harmonic delay and gain for the harmonic noise shaping filter.
DEPRECATED. Performs harmonic noise shaping.
DEPRECATED. Restores the adaptive codebook vector from excitation, pitch, and adaptive gain.
DEPRECATED. Calculates coefficients of the pitch post filter.
DEPRECATED. Computes the weighted sum of two vectors.
DEPRECATED. Computes the forward fast Fourier transform (FFT) of a real signal.
DEPRECATED. Estimates the autocorrelation sequence for a block of samples.