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)

Child Classifications

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• G10L 19/0017
• G10L 19/0018
• G10L 19/002 Dynamic bit allocation (for perceptual audio coders G10L19/032)
• G10L 19/005 Correction of errors induced by the transmission channel, if related to the coding algorithm
• G10L 19/008 Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
• G10L 19/012 Comfort noise or silence coding
• G10L 19/018 Audio watermarking, i.e. embedding inaudible data in the audio signal
• G10L 19/02 using spectral analysis, e.g. transform vocoders or subband vocoders
• G10L 19/04 using predictive techniques
• G10L 2019/0001