using predictive techniques

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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

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• G10L 19/06 Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
• G10L 19/08 Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
• G10L 19/16 Vocoder architecture
• G10L 19/26 Pre-filtering or post-filtering