Playback device calibration
US10154359B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 26, 2017 |
| Grant date | Dec 11, 2018 |
| Priority date | — |
| Expiry date | Sep 26, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2227/005
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Examples described herein involve calibrating a playback device. An example implementation receives, from a network microphone device (NMD), data indicating second audio signal detected by the NMD at multiple locations between a first physical location and a second physical location within a given environment while the network microphone device is moving from the first physical location to the second physical location, the second audio signal representing acoustic echo of a first audio signal played by a playback device. Based on the detected second audio signal, the implementation determines an audio characteristic of the given environment. Based on the determined audio characteristic, the implementation determines an audio processing algorithm to adjust audio output of the playback device in the given environment to have a pre-determined audio characteristic that is representative of desired audio playback qualities. The implementation causes the playback device to apply the determined audio processing algorithm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.