公开(公告)号：US20170105063A1

公开(公告)日：2017-04-13

申请号：US14878215

申请日：2015-10-08

Applicant: MediaTek Inc.

Inventor： Jing-Yi HUANG ,  Kuan-Ta CHEN ,  Chih-Ping LIN

IPC: H04R1/10 ,  H04R29/00

CPC classification number: H04R1/1041 ,  H04R1/1033 ,  H04R29/001 ,  H04R2460/03 ,  H04R2460/15 ,  H04R2499/11

Abstract: A portable device and a method for entering a power-saving mode are provided. An audio signal is transmitted to an earphone via a cable. At least one electrical characteristic on the cable is sensed to generate at least one sensing signal. The at least one sensing signal is sampled to generate at least one data signal. Whether the earphone is in listening position is determined according to the at least one data signal. When it is determined that the earphone is not in listening position, the portable device enters a power-saving mode.

公开(公告)号：US20180279035A1

公开(公告)日：2018-09-27

申请号：US15989501

申请日：2018-05-25

Applicant: MEDIATEK INC.

Inventor： Jing-Yi HUANG ,  Kuan-Ta CHEN ,  Chih-Ping LIN

IPC: H04R1/10 ,  H04R29/00

CPC classification number: H04R1/1041 ,  H04R1/1033 ,  H04R29/001 ,  H04R2460/03 ,  H04R2460/15 ,  H04R2499/11

Abstract: A portable device and a method for entering a power-saving mode are provided. Audio stream is generated by an audio player, and an audio signal is generated according to the audio stream and then transmitted to an earphone via a cable by a digital-analog converter. At least one electrical characteristic on the cable is sensed to generate at least one sensing signal. The at least one sensing signal is sampled to generate at least one data signal. Whether the earphone is inserted into an ear canal is determined according to the at least one data signal. For determining whether the earphone is inserted into the ear canal, an impedance frequency response related to the earphone is obtained according to the at least one data signal, and whether the earphone is inserted into the ear canal is determined according to a characteristic of peaks of the impedance frequency response.

公开(公告)号：US20160306758A1

公开(公告)日：2016-10-20

申请号：US14906554

申请日：2015-11-05

Applicant: MEDIATEK INC.

Inventor： Chia-Hsien LU ,  Chih-Ping LIN

IPC: G06F13/28 ,  G06F3/16

CPC classification number: G06F13/28 ,  G06F3/165 ,  Y02D10/14

Abstract: A processing system has a keyword recognition sub-system and a direct memory access (DMA) controller. The keyword recognition sub-system has a processor and a local memory device. The processor performs at least keyword recognition. The local memory device is accessible to the processor and is arranged to buffer at least data needed by the keyword recognition. The DMA controller interfaces between the local memory device of the keyword recognition sub-system and an external memory device, and is arranged to perform DMA data transaction between the local memory device and the external memory device.

Abstract translation: 处理系统具有关键字识别子系统和直接存储器访问（DMA）控制器。 关键字识别子系统具有处理器和本地存储器件。 处理器执行至少关键字识别。 本地存储器件可由处理器访问，并且被布置为至少缓冲关键字识别所需的数据。 DMA控制器在关键字识别子系统的本地存储器件与外部存储器件之间进行接口，并且被配置为在本地存储器件和外部存储器件之间执行DMA数据事务处理。

公开(公告)号：US20160344433A1

公开(公告)日：2016-11-24

申请号：US14717115

申请日：2015-05-20

Applicant: MediaTek Inc.

Inventor： Chao-Ling HSU ,  Li-Wei CHENG ,  Chieh-Cheng CHENG ,  Yiou-Wen CHENG ,  Chih-Ping LIN

IPC: H04B1/10 ,  H04B1/12

CPC classification number: H04B1/1081 ,  G10K11/17817 ,  G10K11/17854 ,  G10K11/17873 ,  G10K2210/3028 ,  G10K2210/3035 ,  G10K2210/3055 ,  H04B1/123 ,  H04R2410/05 ,  H04R2499/13

Abstract: An active noise control system and associated auto-selection method for modeling a secondary path for the active noise control system are provided. The method includes the steps of: receiving a reference signal; filtering the reference signal with a secondary-path estimation filter to obtain a filtered reference signal, wherein the secondary path estimation filter is determined from a plurality of candidate secondary-path estimation filters; filtering the reference signal with an adaptive filter to provide a compensation signal; sensing a residual noise signal at a listening position of the active noise control system; and adapting filter coefficients of the adaptive filter according to the residual noise signal and the filtered reference signal.

Abstract translation: 提供了一种主动噪声控制系统和相关的自动选择方法，用于为主动噪声控制系统建立辅助路径。 该方法包括以下步骤：接收参考信号; 使用二次路径估计滤波器对参考信号进行滤波以获得滤波的参考信号，其中从多个候选二次路径估计滤波器确定二次路径估计滤波器; 用自适应滤波器对参考信号进行滤波以提供补偿信号; 感测在主动噪声控制系统的收听位置处的残余噪声信号; 以及根据残留噪声信号和滤波的参考信号调整自适应滤波器的滤波器系数。

公开(公告)号：US20160105849A1

公开(公告)日：2016-04-14

申请号：US14829988

申请日：2015-08-19

Applicant: MediaTek Inc.

Inventor： Hsi-Hsien CHEN ,  Fu-Shing JU ,  Chih-Ping LIN ,  Tsung-Cheng YANG ,  Tsung-Huan CHENG ,  Ming-Fong JHANG

IPC: H04W52/02 ,  H04W72/04

CPC classification number: H04W52/0216 ,  H04W52/028 ,  Y02D70/00 ,  Y02D70/1262 ,  Y02D70/146 ,  Y02D70/164 ,  Y02D70/23 ,  Y02D70/24 ,  Y02D70/25

Abstract: A timing control method for a user equipment (UE) in a wireless communications system, including: obtaining a starting time of a data transmission period from information of a data transmission timing received from a base station of a wireless network; obtaining a starting time of a current data processing period; and adjusting a data processing timing so that the adjusted starting time of the current data processing period is ahead of the starting time of the data transmission period by a predetermined time.

Abstract translation: 一种用于无线通信系统中的用户设备（UE）的定时控制方法，包括：从从无线网络的基站接收到的数据发送定时的信息中获取数据传输周期的开始时间; 获取当前数据处理周期的开始时间; 以及调整数据处理定时，使得当前数据处理周期的调整开始时间在数据传输周期的开始时间之前预定时间。