G PHYSICS
G10 MUSICAL INSTRUMENTS; ACOUSTICS
G10L SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
25/00 Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
G10L25/27 characterised by the analysis technique