Proximity detection via audio
US9148742B1 · kind B1 · utility
141Cited by
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18Claims
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Assignee
Inventors
Key dates
| Filing date | Feb 29, 2012 |
| Grant date | Sep 29, 2015 |
| Priority date | — |
| Expiry date | May 25, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B1/00
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for detecting ambient audio, generating audio data based on the ambient audio, generating a first audio fingerprint based on the audio data, providing the first audio fingerprint to a fingerprint comparison engine, the fingerprint comparison engine providing a comparison between the first audio fingerprint and a second audio fingerprint, and receiving a proximity signal based on the comparison.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.