using predictive techniques

Introduced: January 2000

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

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

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

IPC defines codes here since 2000.

Child Classifications

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G10L 19/06 Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients since 2000 IPC+CPC Available in IPC and CPC
G10L 19/08 Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters since 2000 IPC+CPC Available in IPC and CPC
G10L 19/16 Vocoder architecture since 2013 +2 CPC IPC+CPC Available in IPC and CPC
G10L 19/26 Pre-filtering or post-filtering since 2013 +1 CPC IPC+CPC Available in IPC and CPC