IPC Subgroup
G10L 19/028 Noise substitution, e.g. substituting non-tonal spectral components by noisy source
Introduced: January 2013
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 spectral analysis, e.g. transform vocoders or subband vocoders > Noise substitution, e.g. substituting non-tonal spectral components by noisy source
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: Comfort noise for discontinuous speech transmission