Sound collection environment deciding device, sound processing device, electronic appliance, sound collection environment deciding method and sound processing method
US8050142B2 · kind B2 · utility
1Cited by
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18Claims
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Key dates
| Filing date | Dec 4, 2008 |
| Grant date | Nov 1, 2011 |
| Priority date | — |
| Expiry date | Feb 15, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/634
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A sound collection environment deciding device for deciding whether the sound was collected in air or in water by utilizing an audio signal of collected sound is provided. Methods of Utilizing the audio signal of collected sound include, for instance, utilizing a difference of frequency characteristics between in-air and in-water of the audio signal of collected sound, utilizing a difference of propagation characteristics between in-air and in-water of the audio signal of collected sound, or the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.