Digital audio processor device and method
US8218784B2 · kind B2 · utility
31Cited by
1References
44Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 9, 2008 |
| Grant date | Jul 10, 2012 |
| Priority date | — |
| Expiry date | Feb 9, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2430/01
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An audio processor device and method is disclosed which measures and provides information relating to the audio level being applied to the ear of a user. The processor device uses a preset or calibrated sensitivity of the applied earphones in combination with an analysis of the audio stream to provide sound-pressure-level or time-weighted exposure information to the user or limit the output when preset levels have been achieved. Also disclosed is the use of microphones, internal or external, to combine an additional audio stream, typically the ambient environment, into the main audio channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.