Surround sound recording for mobile devices
US10154345B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2017 |
| Grant date | Dec 11, 2018 |
| Priority date | — |
| Expiry date | Jun 19, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S2400/15
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A microphone arrangement and a method using the microphone arrangement for recording surround sound in a mobile device, where the microphone arrangement comprises a first and a second microphone and arranged at a first distance to each other and configured to obtain a stereo signal, and comprises a third microphone configured to obtain a steering signal together with at least one of the first and second microphone or with a fourth microphone. The microphone arrangement also comprises a processor configured to separate the stereo signal into a front stereo signal and a back stereo signal based on the steering signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.