CPC Subgroup
G10L 25/90 Pitch determination of speech signals
Full Title
Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 (muting semiconductor-based amplifiers when some special characteristics of a signal are sensed by a speech detector, e.g. sensing when no signal is present, H03G3/34) > Pitch determination of speech signals
2 direct subcodes
Child Classifications
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