Volume leveler controller and controlling method
US9548713B2 · kind B2 · utility
7Cited by
10References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2014 |
| Grant date | Jan 17, 2017 |
| Priority date | — |
| Expiry date | Mar 17, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2203/305
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Volume leveler controller and controlling method are disclosed. In one embodiment, A volume leveler controller includes an audio content classifier for identifying the content type of an audio signal in real time; and an adjusting unit for adjusting a volume leveler in a continuous manner based on the content type as identified. The adjusting unit may configured to positively correlate the dynamic gain of the volume leveler with informative content types of the audio signal, and negatively correlate the dynamic gain of the volume leveler with interfering content types of the audio signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.