Speech or voice analysis techniques not restricted to a single one of groups G10L15/00-G10L21/00

GPHYSICS G10Musical instruments G10LSPEECH ANALYSIS OR SYNTHESIS SPEECH RECOGNITION SPEECH OR VOICE PROCESSING SPEECH OR AUDIO CODING OR DECODING

G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00-G10L21/00

G10L25/03characterised by the type of extracted parameters G10L25/06the extracted parameters being correlation coefficients G10L25/09the extracted parameters being zero crossing rates G10L25/12the extracted parameters being prediction coefficients G10L25/15the extracted parameters being formant information G10L25/18the extracted parameters being spectral information of each sub-band G10L25/21the extracted parameters being power information G10L25/24the extracted parameters being the cepstrum G10L25/27characterised by the analysis technique G10L25/30using neural networks G10L25/33using fuzzy logic G10L25/36using chaos theory G10L25/39using genetic algorithms G10L25/45characterised by the type of analysis window G10L25/48specially adapted for particular use G10L25/51for comparison or discrimination G10L25/54for retrieval G10L25/57for processing of video signals G10L25/60for measuring the quality of voice signals G10L25/63for estimating an emotional state G10L25/66for extracting parameters related to health condition G10L25/69for evaluating synthetic or decoded voice signals G10L25/72for transmitting results of analysis G10L25/75for modelling vocal tract parameters G10L25/78Detection of presence or absence of voice signals G10L25/81for discriminating voice from music G10L25/84for discriminating voice from noise G10L25/87Detection of discrete points within a voice signal G10L25/90Pitch determination of speech signals G10L25/93Discriminating between voiced and unvoiced parts of speech signals