公开(公告)号：US20160298984A1

公开(公告)日：2016-10-13

申请号：US14891581

申请日：2014-12-25

Applicant: GOERTEK INC

Inventor： Song LIU ,  Fupo WANG ,  Na LI

IPC: G01C22/00 ,  A61B5/00 ,  A63B24/00 ,  A61B5/11

CPC classification number: G01C22/006 ,  A61B5/1118 ,  A61B5/112 ,  A61B5/7225 ,  A61B5/725 ,  A61B2562/0219 ,  A63B24/0062 ,  A63B2220/17

Abstract: The present invention provides a step counting method and device. The method comprises the following steps performed repeatedly: a) obtaining three monoaxial acceleration signals with a predetermined length from triaxial output of a triaxial acceleration sensor worn on a walkrunner; b) performing high-pass filtering on each obtained monoaxial acceleration signal; c) performing pitch detection on each high-pass filtered monoaxial acceleration signal; d) using the pitch obtained in each pitch detection as a cut-off frequency to set a low-pass or band-pass filter, and performing low-pass or band-pass filtering on corresponding high-pass filtered monoaxial acceleration signal by using it; e) obtaining acceleration signal extreme value points from each low-pass or band-pass filtered monoaxial acceleration signal and removing interfering extreme value points therein; f) counting the number of the acceleration signal extreme value points after the interfering extreme value points have been removed; g) determining the accumulative walkrun step number of the walkrunner. The method can count steps accurately.

Abstract translation: 本发明提供了一种步数计数方法和装置。 该方法包括重复执行的以下步骤：a）从佩戴在步行机上的三轴加速度传感器的三轴输出获得具有预定长度的三个单轴加速度信号; b）对每个获得的单轴加速度信号执行高通滤波; c）对每个高通滤波单轴加速度信号执行音高检测; d）使用在每个音调检测中获得的音调作为截止频率来设置低通滤波器或带通滤波器，并且通过使用对相应的高通滤波单轴加速度信号进行低通或带通滤波 ; e）从每个低通或带通滤波单轴加速度信号获得加速度信号极值点，并在其中去除其中的干扰极值点; f）在除去干扰极值点之后计算加速度信号极值点的数量; g）确定步行者的累积步行步数。 该方法可以准确地计数步数。

公开(公告)号：US20160372102A1

公开(公告)日：2016-12-22

申请号：US14901555

申请日：2014-07-04

Applicant: Goertek Inc

Inventor： Song LIU ,  Shasha LOU ,  Fupo WANG

IPC: G10K11/178

CPC classification number: G10K11/178 ,  G10K2210/1081 ,  G10K2210/3026 ,  G10K2210/3027 ,  G10K2210/3055 ,  G10K2210/506 ,  G10K2210/511 ,  H04R1/1016 ,  H04R3/00 ,  H04R3/02 ,  H04R2460/01

Abstract: The present invention discloses a howling suppression method and device applied to an ANR earphone. The method comprises: collecting signals by using a first microphone and a second microphone; wherein the first microphone is arranged in a position outside an auditory meatus when said ANR earphone is worn, and the second microphone is arranged in a position inside the auditory meatus when the ANR earphone is worn; according to a relation between signals collected by the first microphone and the second microphone, judging whether the current state of said ANR earphone is a state unable to produce a howling or a state able to produce a howling; and when the current state of said ANR earphone is a state able to produce a howling, starting processing for preventing howling production. The technical scheme can achieve that the ANR earphone does not produce a howling all the time.

Abstract translation: 本发明公开了一种应用于ANR耳机的啸声抑制方法和装置。 该方法包括：通过使用第一麦克风和第二麦克风来收集信号; 其中当所述ANR耳机佩戴时，所述第一麦克风被布置在听觉口外侧的位置，并且当所述ANR耳机佩戴时，所述第二麦克风被布置在所述耳道内的位置; 根据由第一麦克风和第二麦克风收集的信号之间的关系，判断所述ANR耳机的当前状态是否不能产生啸声或能产生啸声的状态; 并且当所述ANR耳机的当前状态是能够产生啸声的状态时，用于防止啸声产生的开始处理。 技术方案可以实现ANR耳机不会产生啸叫。