Patent ID: 11929091
Assignee: DOLBY LABORATORIES LICENSING CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 8:
9. The apparatus of claim 1, wherein the feature extractor is configured to transform the input audio signal into hybrid complex quadrature mirror filter (HCQMF) domain information, wherein the feature extractor is configured to group the HCQMF domain information into a plurality of sub-bands, wherein the feature extractor is configured to extract features including an inter-channel phase difference (ICPD) feature of a first subset of the plurality of sub-bands, an inter-channel coherence (ICC) feature of the first subset of the plurality of sub-bands, and an inter-channel level difference (ICLD) feature of a second subset of the plurality of sub-bands.