Title:
AUDIO CIRCUIT, CIRCUIT BOARD AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/051393
Kind Code:
A1
Abstract:
Embodiments of the present application disclose an audio circuit, a circuit board and an electronic device. The audio circuit comprises a primary chip which is used for decoding audio information to obtain digital audio information; an audio chip which is connected to the primary chip and used for carrying out digital-to-analog conversion on the digital audio information to obtain analog audio information, amplifying the analog audio information to obtain driving information, and outputting the driving information to a loudspeaker; a first grounding terminal which is connected to the grounding terminal of the primary chip; and a second grounding terminal which is connected to the grounding terminal of the audio chip. The first grounding terminal and the second grounding terminal are isolated from each other.
Inventors:
WU ZHIHUA (CN)
LI TINGTING (CN)
LI TINGTING (CN)
Application Number:
PCT/CN2023/110283
Publication Date:
March 14, 2024
Filing Date:
July 31, 2023
Export Citation:
Assignee:
SHENZHEN TCL CREATIVE CLOUD TECH CO LTD (CN)
International Classes:
H04R3/00
Domestic Patent References:
| WO2021120048A1 | 2021-06-24 |
Foreign References:
| CN206164761U | 2017-05-10 | |||
| US5475606A | 1995-12-12 | |||
| EP1881602A1 | 2008-01-23 | |||
| CN201540324U | 2010-08-04 | |||
| KR100646092B1 | 2006-11-14 |
Attorney, Agent or Firm:
PURPLEVINE INTELLECTUAL PROPERTY (SHENZHEN) CO., LTD. (CN)
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