the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders

Full Title

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 > using predictive techniques > Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters > the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders

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

Child Classifications

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• G10L 19/125 Pitch excitation, e.g. pitch synchronous innovation CELP [PSI-CELP]
• G10L 19/13 Residual excited linear prediction [RELP]
• G10L 19/135 Vector sum excited linear prediction [VSELP]