DIFF Subgroup
G10L 19/26 Pre-filtering or post-filtering
Introduced: January 2013
Full Title
Full titles differ between systems:
IPC:
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 > Pre-filtering or post-filtering
CPC:
Speech or audio signals 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 (in musical instruments G10H) > using predictive techniques > Pre-filtering or post-filtering
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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