Title:
PROJECTION SYSTEM AND CONTROL METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2024/082885
Kind Code:
A1
Abstract:
Provided are a projection system and a control method therefor. The projection system comprises a projection apparatus and a projection screen. The projection apparatus comprises a housing, a detection device, a plurality of loudspeakers, and a mainboard. The mainboard is configured to: acquire point cloud data obtained by detecting at least one target object in a detection area by the detection device; according to the point cloud data of the at least one target object, determine a target sub-area corresponding to the at least one target object in a plurality of sub-areas; and adjust an audio playing effect of at least one loudspeaker in the plurality of loudspeakers by using a sound adjustment parameter corresponding to the target sub-area, the sound adjustment parameter comprising at least one of a sound pressure level of the at least one loudspeaker or a sound pressure level proportion of a plurality of sound channels comprised in the at least one loudspeaker.
Inventors:
WU CHAO (CN)
CHEN XU (CN)
WU KAI (CN)
CHEN XU (CN)
WU KAI (CN)
Application Number:
PCT/CN2023/118800
Publication Date:
April 25, 2024
Filing Date:
September 14, 2023
Export Citation:
Assignee:
HISENSE LASER DISPLAY CO LTD (CN)
International Classes:
G05B19/042; G01S13/04; H04N9/31; H04R3/12
Foreign References:
| CN115665622A | 2023-01-31 | |||
| CN115657530A | 2023-01-31 | |||
| CN114915770A | 2022-08-16 | |||
| CN113630689A | 2021-11-09 | |||
| CN201878264U | 2011-06-22 | |||
| CN112995551A | 2021-06-18 | |||
| CN114071102A | 2022-02-18 | |||
| US20170251187A1 | 2017-08-31 | |||
| CN212137838U | 2020-12-11 |
Attorney, Agent or Firm:
BEIJING ZBSD PATENT & TRADEMARK AGENT LTD. (CN)
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