Binaural signal post-processing
US12413929B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 16, 2021 |
| Grant date | Sep 9, 2025 |
| Priority date | — |
| Expiry date | Apr 20, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S2420/07
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of audio processing includes performing spatial analysis on a binaural signal to estimate level differences and phase differences characteristic of a binaural filter of the binaural signal, performing object extraction on the binaural audio signal using the estimated level and phase differences to generate a left/right main component signal and a left/right residual component signal. The system may process the left/right main and left/right residual components differently using different object processing parameters for e.g. repositioning, equalization, compression, upmixing, channel remapping or storage to generate a processed binaural signal that provides an improved listening experience. Repositioning may be based on head tracking sensor data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.