Volume leveler controller and controlling method
US10411669B2 · kind B2 · utility
1Cited by
29References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2017 |
| Grant date | Sep 10, 2019 |
| Priority date | — |
| Expiry date | Feb 14, 2037 |
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.