Invention Grant
- Patent Title: Volume leveler controller and controlling method
- Patent Title (中): 卷矫平控制器及控制方法
-
Application No.: US14777271Application Date: 2014-03-17
-
Publication No.: US09548713B2Publication Date: 2017-01-17
- Inventor: Jun Wang , Lie Lu , Alan Seefeldt
- Applicant: DOLBY LABORATORIES LICENSING CORPORATION
- Applicant Address: US CA San Francisco
- Assignee: Dolby Laboratories Licensing Corporation
- Current Assignee: Dolby Laboratories Licensing Corporation
- Current Assignee Address: US CA San Francisco
- Priority: CN201310100422 20130326
- International Application: PCT/US2014/030385 WO 20140317
- International Announcement: WO2014/160542 WO 20141002
- Main IPC: H03G3/00
- IPC: H03G3/00 ; H03G3/32 ; H03G3/30 ; H03G7/00 ; H03G5/16

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.
Public/Granted literature
- US20160049915A1 VOLUME LEVELER CONTROLLER AND CONTROLLING METHOD Public/Granted day:2016-02-18
Information query