CPC Main Group
G10L 19/00 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)
10 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- 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