公开(公告)号：US20140146973A1

公开(公告)日：2014-05-29

申请号：US14234979

申请日：2013-07-17

Applicant: Goertek Inc.

Inventor： Song Liu ,  Jian Zhao ,  Yang Hua

IPC: H04R29/00 ,  H04R1/10

CPC classification number: H04R29/001 ,  H04R1/1083 ,  H04R29/00

Abstract: The present invention discloses a test device and test method for the noise reduction headphone. The test device comprises: an enclosed cavity, a noise source, a test panel, a measuring microphone and a measure comparison module connected with the measuring microphone. The sound emitted from the noise source is sealed within the enclosed cavity. The test panel can cooperate with the noise reduction headphone to form a coupling cavity in the test. The test panel has a sound guiding hole in the common part with the enclosed cavity for transmitting the sound of the noise source into the interior of the coupling cavity. The test panel also has a mounting hole, and the measuring microphone is mounted on the mourning hole towards the direction of the coupling cavity. The measuring microphone records noise signals before and after the noise reduction function of the noise reduction headphone is activated. The measure comparison module receives the signals recorded these two times by the measuring microphone and performs comparison processing to obtain noise reduction amount of the noise reduction headphone. The technical solution of the present invention solves the problem of noise pollution caused by high-power external noise sources to the surrounding environment during the test process of noise reduction amount of the headphone, meanwhile, no special shielding room is required, and the requirement on test environment is relieved.

Abstract translation: 本发明公开了一种用于降噪耳机的测试装置和测试方法。 测试装置包括：封闭空腔，噪声源，测试面板，测量麦克风和与测量麦克风连接的测量比较模块。 从噪声源发出的声音被密封在封闭的腔内。 测试面板可以与降噪耳机配合，在测试中形成耦合腔。 测试面板在与封闭空腔共同的部分中具有声音引导孔，用于将噪声源的声音传递到耦合腔的内部。 测试面板还具有一个安装孔，测量麦克风安装在朝向连接腔方向的悼念孔上。 测量麦克风记录降噪耳机降噪功能前后的噪声信号。 测量比较模块通过测量麦克风接收两次记录的信号，并进行比较处理以获得降噪耳机的噪声降低量。 本发明的技术方案解决了耳机降噪量测试过程中大功率外部噪声源对周围环境造成噪声污染的问题，同时不需要特殊屏蔽室， 测试环境得到缓解。

公开(公告)号：US09467769B2

公开(公告)日：2016-10-11

申请号：US14385075

申请日：2014-05-22

Applicant: Goertek, Inc.

Inventor： Song Liu ,  Jian Zhao

IPC: H04B15/00 ,  H04R1/10 ,  G10L21/0272 ,  G10L21/0364

CPC classification number: H04R1/1083 ,  A61F2011/145 ,  G10L21/0272 ,  G10L21/0364 ,  H04M1/05 ,  H04M1/19 ,  H04R3/005 ,  H04R2410/01 ,  H04R2460/01

Abstract: The invention discloses a headset communication method under a strong-noise environment and a headset. The method comprises: using earplugs to reduce medium and high frequency noises entering an ear canal, using an external connection cavity in parallel connection with the ear canal to divert medium and low frequency noises; using an internal microphone to pick up the sound in the ear canal and an environmental noise signal entering the ear canal, using an external microphone to pick up the environmental noise signal, and taking the external microphone signal as reference signals to eliminate the noise element in the internal microphone signal and remain the voice element to obtain transmitting terminal signals of the headset; using sound dynamic compression technology to cut down and compensate the signals picked up by the external microphone in terms of sound pressure level such that the sound pressure range is compressed to a range acceptable by human ears and the signals picked up by the external microphone and the receiving terminal signal received by the headset are broadcast together through a receiver of the headset. By means of the technical scheme of the present invention, the functions of protecting hearing, enhancing voice and monitoring a three-dimensional environment can be achieved comprehensively under strong-noise environments.

Abstract translation: 本发明公开了一种在高噪声环境和头戴式耳机的耳机通信方法。 该方法包括：使用耳塞减少进入耳道的中高频噪声，使用与耳道平行连接的外部连接腔，以转移中低频噪声; 使用内部麦克风拾取耳道中的声音和进入耳道的环境噪声信号，使用外部麦克风拾取环境噪声信号，并以外部麦克风信号作为参考信号，以消除噪声元素 内部麦克风信号并保持语音元件以获得耳机的发送终端信号; 使用声音动态压缩技术来减小和补偿外部麦克风拾取的信号在声压级方面，使得声压范围被压缩到人耳可接受的范围，并且由外部麦克风拾取的信号和 耳机接收的接收终端信号通过头戴式耳机的接收器一起广播。 通过本发明的技术方案，可以在强噪声环境下全面实现保护听觉，增强语音和监测三维环境的功能。

公开(公告)号：US20160241948A1

公开(公告)日：2016-08-18

申请号：US14385075

申请日：2014-05-22

Applicant: GOERTEK INC

Inventor： Song Liu ,  Jian Zhao

IPC: H04R1/10 ,  G10L21/0364 ,  G10L21/0272

CPC classification number: H04R1/1083 ,  A61F2011/145 ,  G10L21/0272 ,  G10L21/0364 ,  H04M1/05 ,  H04M1/19 ,  H04R3/005 ,  H04R2410/01 ,  H04R2460/01

Abstract: The invention discloses a headset communication method under a strong-noise environment and a headset. The method comprises: using earplugs to reduce medium and high frequency noises entering an ear canal, using an external connection cavity in parallel connection with the ear canal to divert medium and low frequency noises; using an internal microphone to pick up the sound in the ear canal and an environmental noise signal entering the ear canal, using an external microphone to pick up the environmental noise signal, and taking the external microphone signal as reference signals to eliminate the noise element in the internal microphone signal and remain the voice element to obtain transmitting terminal signals of the headset; using sound dynamic compression technology to cut down and compensate the signals picked up by the external microphone in terms of sound pressure level such that the sound pressure range is compressed to a range acceptable by human ears and the signals picked up by the external microphone and the receiving terminal signal received by the headset are broadcast together through a receiver of the headset. By means of the technical scheme of the present invention, the functions of protecting hearing, enhancing voice and monitoring a three-dimensional environment can be achieved comprehensively under strong-noise environments.

Abstract translation: 本发明公开了一种在高噪声环境和头戴式耳机的耳机通信方法。 该方法包括：使用耳塞减少进入耳道的中高频噪声，使用与耳道平行连接的外部连接腔，以转移中低频噪声; 使用内部麦克风拾取耳道中的声音和进入耳道的环境噪声信号，使用外部麦克风拾取环境噪声信号，并以外部麦克风信号作为参考信号，以消除噪声元素 内部麦克风信号并保持语音元件以获得耳机的发送终端信号; 使用声音动态压缩技术来减小和补偿外部麦克风拾取的信号在声压级方面，使得声压范围被压缩到人耳可接受的范围，并且由外部麦克风拾取的信号和 耳机接收的接收终端信号通过头戴式耳机的接收器一起广播。 通过本发明的技术方案，可以在强噪声环境下全面实现保护听觉，增强语音和监测三维环境的功能。

公开(公告)号：US09084060B2

公开(公告)日：2015-07-14

申请号：US14234979

申请日：2013-07-17

Applicant: Goertek Inc.

Inventor： Song Liu ,  Jian Zhao ,  Yang Hua

IPC: H04R29/00 ,  H04R1/10

CPC classification number: H04R29/001 ,  H04R1/1083 ,  H04R29/00

Abstract: The present invention discloses a test device and test method for the noise reduction headphone. The test device comprises: an enclosed cavity, a noise source, a test panel, a measuring microphone and a measure comparison module connected with the measuring microphone. The sound emitted from the noise source is sealed within the enclosed cavity. The test panel can cooperate with the noise reduction headphone to form a coupling cavity in the test. The test panel has a sound guiding hole in the common part with the enclosed cavity for transmitting the sound of the noise source into the interior of the coupling cavity. The test panel also has a mounting hole, and the measuring microphone is mounted on the mourning hole towards the direction of the coupling cavity. The measuring microphone records noise signals before and after the noise reduction function of the noise reduction headphone is activated. The measure comparison module receives the signals recorded these two times by the measuring microphone and performs comparison processing to obtain noise reduction amount of the noise reduction headphone. The technical solution of the present invention solves the problem of noise pollution caused by high-power external noise sources to the surrounding environment during the test process of noise reduction amount of the headphone, meanwhile, no special shielding room is required, and the requirement on test environment is relieved.

Abstract translation: 本发明公开了一种用于降噪耳机的测试装置和测试方法。 测试装置包括：封闭空腔，噪声源，测试面板，测量麦克风和与测量麦克风连接的测量比较模块。 从噪声源发出的声音被密封在封闭的腔内。 测试面板可以与降噪耳机配合，在测试中形成耦合腔。 测试面板在与封闭空腔共同的部分中具有声音引导孔，用于将噪声源的声音传递到耦合腔的内部。 测试面板还具有一个安装孔，测量麦克风安装在朝向连接腔方向的悼念孔上。 测量麦克风记录降噪耳机降噪功能前后的噪声信号。 测量比较模块通过测量麦克风接收两次记录的信号，并进行比较处理以获得降噪耳机的噪声降低量。 本发明的技术方案解决了耳机降噪量测试过程中大功率外部噪声源对周围环境造成噪声污染的问题，同时不需要特殊屏蔽室， 测试环境得到缓解。

公开(公告)号：US20140172421A1

公开(公告)日：2014-06-19

申请号：US14110879

申请日：2012-03-16

Applicant: GOERTEK INC.

Inventor： Song Liu ,  Bo Li ,  Jian Zhao

IPC: G10L21/0208 ,  H04R1/10

CPC classification number: G10L21/0208 ,  H04R1/1041 ,  H04R1/1083 ,  H04R3/005 ,  H04R2410/01 ,  H04R2410/05

Abstract: The present invention provides a speech enhancing method for communication earphone including two parts: sending end noise reduction processing and receiving end noise reduction processing, wherein the sending end noise reduction processing part includes: determining a wearing condition of the earphone by comparing energy difference of sound signals picked up by microphones of the communication earphone; if the earphone is normally worn, subjecting the sound signal first to multi-microphone noise reduction and then to single channel noise reduction to further suppress residuary stationary noise; otherwise suppressing stationary noise in the sound signal by single channel noise reduction directly.

Abstract translation: 本发明提供了一种用于通信耳机的语音增强方法，包括两个部分：发送端降噪处理和接收端降噪处理，其中发送端噪声降低处理部分包括：通过比较声音的能量差来确定耳机的佩戴状况 由通信耳机的麦克风拾取的信号; 如果耳机通常佩戴，首先对声音信号进行多麦克风降噪，然后进行单声道降噪，以进一步抑制残留的静噪; 否则直接通过单声道降噪来抑制声音信号中的静止噪声。