TH167292A - Spectral coefficient coding of the audio spectrum. - Google Patents

Abstract

Revised Invention Compendium 01/07/2016 Coding Efficiency of Spectral Coefficient Coded of The audio signal is amplified by entering / decoding the spectral coefficient to be Enter / decode the present by entering / decoding entropy. And in doing that, the process of entering / decoding the rising entropy In a contextually adaptive manner Based on the spectral coefficient to Has been encoded / decoded as before While adjusting the spectral distance, the relationship between The spectral coefficient to be previously entered / decoded And spectral coefficients Will be encoded / decoded as at present That depends on information that takes into account the shape of the spectrum. Information considering the spectral shape may include a pitch gauge or a periodic condition of an audio signal. Measurement of the interharmonic distance of the audio spectrum and / or the relative position of the resonant frequency group. And / or the part of the framework Spectrum of the spectrum And on the basis of this knowledge Spectral neighborhood Which has been It is useful to form the context of the spectral coefficients to be input / decoded, the current example may be adapted according to the spectral contours that have been defined, thereby increasing efficiency. Entropy coding -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- ------------- Encoding efficiency of spectral coefficient coding of The audio signal is amplified by entering / decoding the spectral coefficient to be Enter / decode the present by entering / decoding entropy. And in doing that, the process of entering / decoding the rising entropy In a contextually adaptive manner Live with Somprasit on the spectrum that will Has been encoded / decoded as before While adjusting the spectral distance, the relationship between The spectral coefficient to be previously entered / decoded And spectral coefficients Will be encoded / decoded as at present That depends on information that takes into account the shape of the spectrum. Information considering the spectral shape may include a pitch gauge or a periodic condition of an audio signal. Measurement of the interharmonic distance of the audio spectrum and / or the relative position of the resonant frequency group. And / or the part of the framework Spectrum And on the basis of this knowledge Spectral neighborhood Which has been It is useful to form the context of the spectral coefficients to be encoded / decoded, as at present may be optimized for the spectral contours that have been defined. Entropy coding efficiency

Claims (1)

: Edit invention summary 01/07/2016 The coding efficiency of the spectral coefficient coding of The audio signal is amplified by entering / decoding the spectral coefficient to be Enter / decode the present by entering / decoding entropy. And in doing that, the process of entering / decoding the rising entropy In a contextually adaptive manner Based on the spectral coefficient to Has been encoded / decoded as before While adjusting the spectral distance, the relationship between The spectral coefficient to be previously entered / decoded And spectral coefficients Will be encoded / decoded as at present That depends on information that takes into account the shape of the spectrum. Information considering the spectral shape may include a pitch gauge or a periodic condition of an audio signal. Measurement of the interharmonic distance of the audio spectrum and / or the relative position of the resonant frequency group. And / or the part of the framework Spectrum of the spectrum And on the basis of this knowledge Spectral neighborhood Which has been It is useful to form the context of the spectral coefficients to be input / decoded, the current example may be adapted according to the spectral contours that have been defined, thereby increasing efficiency. Entropy coding -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- ------------- Encoding efficiency of spectral coefficient coding of The audio signal is amplified by entering / decoding the spectral coefficient to be Enter / decode the present by entering / decoding entropy. And in doing that, the process of entering / decoding the rising entropy In a contextually adaptive manner Live with Somprasit on the spectrum that will Has been encoded / decoded as before While adjusting the spectral distance, the relationship between The spectral coefficient to be previously entered / decoded And spectral coefficients Will be encoded / decoded as at present That depends on information that takes into account the shape of the spectrum. Information considering the spectral shape may include a pitch gauge or a periodic condition of an audio signal. Measurement of the interharmonic distance of the audio spectrum and / or the relative position of the resonant frequency group. And / or the part of the framework Spectrum And on the basis of this knowledge Spectral neighborhood Which has been It is useful to form the context of the spectral coefficients to be entered / decoded, the current example may be optimized for the spectral contours that have been defined, hence increasing the Efficacy of Entropy Code (Item one) which will appear on the advertisement page: tag: