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

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

Scope Notes

Glossary: viseme visemes a visual representation of the mouth, lips, tongue and teeth corresponding to a phoneme | Limiting references: Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis

Child Classifications

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• G10L 21/003 Changing voice quality, e.g. pitch or formants
• G10L 21/02 Speech enhancement, e.g. noise reduction or echo cancellation
• G10L 21/04 Time compression or expansion
• G10L 21/06 Transformation of speech into a non-audible representation, e.g. speech visualisation or speech processing for tactile aids