IPC Subgroup
G10L 25/78 Detection of presence or absence of voice signals
Introduced: January 2013
Full Title
Speech or voice analysis techniques not restricted to a single one of groups > Detection of presence or absence of voice signals
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
Limiting references: Switching of direction of transmission by voice frequency in two-way loud-speaking telephone systems
3 direct subcodes
Child Classifications
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- G10L 25/81 for discriminating voice from music
- G10L 25/84 for discriminating voice from noise
- G10L 25/87 Detection of discrete points within a voice signal