1. A method performed by a generic computer processor for creating a glottal pulse database from a speech signal, in a speech synthesis system, wherein the system comprises at least a speech database, the method comprising the steps of: a. pre-emphasizing the speech signal to obtain a pre-filtered signal; b. analyzing the pre-filtered signal, using linear prediction, to obtain inverse filtering parameters; c. performing inverse filtering of the speech signal using the inverse filtering parameters; d. determining an integrated linear prediction residual signal using the inversely filtered speech signal; e. identifying glottal segment boundaries in the speech signal; f. segmenting the integrated linear prediction residual signal into glottal pulses using the identified glottal segment boundaries from the speech signal; g. normalizing the glottal pulses; h. forming the glottal pulse database by collecting all normalized glottal pulses obtained for the speech signal; and i. applying the formed glottal pulse database to form an excitation signal, wherein the excitation signal is applied in the speech synthesis system to synthesize speech.
1. A method performed by a generic computer processor for creating a glottal pulse database from a speech signal, in a speech synthesis system, wherein the system comprises at least a speech database, the method comprising the steps of: a. pre-emphasizing the speech signal to obtain a pre-filtered signal; b. analyzing the pre-filtered signal, using linear prediction, to obtain inverse filtering parameters; c. performing inverse filtering of the speech signal using the inverse filtering parameters; d. determining an integrated linear prediction residual signal using the inversely filtered speech signal; e. identifying glottal segment boundaries in the speech signal; f. segmenting the integrated linear prediction residual signal into glottal pulses using the identified glottal segment boundaries from the speech signal; g. normalizing the glottal pulses; h. forming the glottal pulse database by collecting all normalized glottal pulses obtained for the speech signal; and i. applying the formed glottal pulse database to form an excitation signal, wherein the excitation signal is applied in the speech synthesis system to synthesize speech. 2. The method of claim 1 , wherein the inverse filtering parameters in step (b) comprise linear prediction coefficients.