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IPC Subgroup
G10L 21/0264

characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques

Introduced: January 2013

Full Title

Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility > Speech enhancement, e.g. noise reduction or echo cancellation > Noise filtering > characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques

Classification Context

Section:
PHYSICS
Class:
MUSICAL INSTRUMENTS; ACOUSTICS
Subclass:
SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING