Invention Grant
- Patent Title: Bass enhancement for loudspeakers
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Application No.: US17913156Application Date: 2021-03-19
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Publication No.: US12101613B2Publication Date: 2024-09-24
- Inventor: Per Ekstrand , Yuxing Hao , Xuemei Yu
- Applicant: Dolby International AB , Dolby Laboratories Licensing Corporation
- Applicant Address: NL CA Amsterdam
- Assignee: Dolby International AB,Dolby Laboratories Licensing Corporation
- Current Assignee: Dolby International AB,Dolby Laboratories Licensing Corporation
- Current Assignee Address: IE Dublin; US CA San Francisco
- Priority: WO TCN2020080460 2020.03.20
- International Application: PCT/US2021/023239 2021.03.19
- International Announcement: WO2021/188953A 2021.09.23
- Date entered country: 2022-09-21
- Main IPC: H04R3/04
- IPC: H04R3/04
Abstract:
A method of audio processing includes generating harmonics in a hybrid complex quadrature mirror filter domain. Generating the harmonics may include multiplication, using a feedback delay loop, and dynamic compression. The harmonics may be generated based on one or more hybrid sub-bands of the complex transform domain signal.
Public/Granted literature
- US20230217166A1 BASS ENHANCEMENT FOR LOUDSPEAKERS Public/Granted day:2023-07-06
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