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DIFF Subgroup
G10L 19/06

Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients

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 > Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients

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 > Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 2013.

Child Classifications

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  • G10L 19/07 Line spectrum pair [LSP] vocoders since 2013 IPC+CPC Available in IPC and CPC