Invention Grant
- Patent Title: Volume leveler controller and controlling method
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Application No.: US16509791Application Date: 2019-07-12
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Publication No.: US10707824B2Publication Date: 2020-07-07
- Inventor: Jun Wang , Lie Lu , Alan J. 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: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@7e0921f1
- Main IPC: H03G3/00
- IPC: H03G3/00 ; H03G7/00 ; H03G3/30 ; H03G3/32 ; H03G5/16 ; G10L25/30 ; G10L25/51 ; G10L21/0364 ; H04M7/00
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
- US20190334497A1 VOLUME LEVELER CONTROLLER AND CONTROLLING METHOD Public/Granted day:2019-10-31
Information query
