Patent ID: 11942097
Assignee: DOLBY LABORATORIES LICENSING CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 15:
16. The method according to claim 15, wherein determining the coefficients of the inverse mixing matrix M comprises:
determining, for each of the one or more audio elements, a panning vector Pandown(dir) for panning the audio element to the channels of the channel-based audio signal, based on the direction of arrival dir of the audio element;
determining a mixing matrix E that would be used for mapping the residual audio signal and the audio signals of the one or more audio elements to the channels of the channel-based audio signal, based on the determined panning vectors;
determining a covariance matrix S for the intermediate representation based on the energy information; and
determining the coefficients of the inverse mixing matrix M based on the mixing matrix E and the covariance matrix S.