公开(公告)号：US20210337337A1

公开(公告)日：2021-10-28

申请号：US17237259

申请日：2021-04-22

Applicant: Silicon Integrated Systems Corp.

Inventor： Han-Ning CHEN ,  Chien-Yu CHIANG

IPC: H04S7/00 ,  H04R5/04 ,  H04S1/00

Abstract: A digital audio array circuit is provided. The digital audio array circuit includes at least two digital audio units and a system master unit. Each of the digital audio units is configured to transform a received sound wave to a digital audio signal. Each of the digital audio units includes a left/right channel configuration input terminal. The system master unit is connected to the at least two digital audio units in time division multiplexing to receive the digital audio signals. The left/right channel configuration input terminal of each of the digital audio units is configured to receive a same synchronizing signal.

公开(公告)号：US20200293265A1

公开(公告)日：2020-09-17

申请号：US16790740

申请日：2020-02-14

Applicant: Silicon Integrated Systems Corp.

Inventor： Han-Ning Chen ,  Chien-Yu CHIANG ,  Wen-Chi LIN

IPC: G06F3/16 ,  G06F1/06 ,  H04B14/02

Abstract: A device for detecting an audio interface includes a processing unit, a first audio interface transmitting circuit, and a second audio interface transmitting circuit. The processing unit is utilized to generate a clock signal and a word select (WS) signal. The first audio interface transmitting circuit is utilized to generate a first audio data according to the clock signal. The second audio interface transmitting circuit is utilized to generate a second audio data according to the clock signal and the WS signal. The processing unit switches to the first audio interface transmitting circuit if a voltage potential of the WS signal remains at a high voltage level or remains at a low voltage level longer than a predetermined period. The processing unit switches to the second audio interface transmitting circuit if the voltage potential of the WS signal changes during the predetermined period.