Motion detection of audio sources to facilitate reproduction of spatial audio spaces
US10225680B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jul 30, 2013 |
| Grant date | Mar 5, 2019 |
| Priority date | — |
| Expiry date | Aug 26, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S2400/15
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Embodiments of the invention relate generally to electrical and electronic hardware, computer software, wired and wireless network communications, and wearable/mobile computing devices configured to facilitate production and/or reproduction of spatial audio and/or one or more audio spaces. More specifically, disclosed are systems, components and methods to acoustically determine displacements of audios sources (or portions thereof), such as a subset of speaking users, for providing audio spaces and spatial sound field reproduction, for example, for a remote listener. In one embodiment, a media device includes transducers to emit audible acoustic signals into a region including one or more audio sources, acoustic probe transducers configured to emit ultrasonic signals and acoustic sensors configured to sense received ultrasonic signals reflected from an audio source. A controller can determine a displacement of the audio source. Examples of displacement include locomotion, gesture-related motion and orientation changes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.