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