公开(公告)号：US20250012762A1

公开(公告)日：2025-01-09

申请号：US18892414

申请日：2024-09-22

Applicant: AUGURY SYSTEMS LTD.

Inventor： Saar YOSKOVITZ ,  Gal SHAUL

IPC: G01N29/14 ,  G01H1/00 ,  G01H1/04 ,  G01H3/08 ,  G01H9/00 ,  G01M13/028 ,  G01M13/045 ,  G01M99/00 ,  G01N29/24 ,  G01N29/46 ,  G05B23/02

Abstract: A method for automatic diagnosis of a mechanical system of a group of mechanical systems sharing mechanical characteristics includes obtaining data relating to a vibration. The vibration-related data is acquired by a portable communications device configured to communicate with a remote processor. The processor automatically diagnoses the mechanical system by applying a relationship to the obtained vibration-related data. The relationship is based on sets of vibration-related data previously obtained from the mechanical systems. Each set of vibration-related data relates to vibrations of a mechanical system. The relationship is further based on sets of operation data previously obtained for mechanical systems of the group. Each set of operation data indicates a previous state of operation of a mechanical system. Each of the previous states of operation is associated with at least one of the previously obtained sets of vibration-related data.

公开(公告)号：US20240194213A1

公开(公告)日：2024-06-13

申请号：US18191417

申请日：2023-03-28

Applicant: Mitsubishi Electric Research Laboratories, Inc.

Inventor： Gordon Wichern ,  Jonathan Le Roux ,  Darius Petermann ,  Aswin Shanmugam Subramanian

IPC: G10L21/0308 ,  G01H3/08 ,  G10L25/18 ,  G10L25/21 ,  G10L25/30 ,  G10L25/51

CPC classification number: G10L21/0308 ,  G01H3/08 ,  G10L25/18 ,  G10L25/21 ,  G10L25/30 ,  G10L25/51

Abstract: There is provided an audio processing system and method comprising an input interface that receives an input audio mixture and transforms it into a time-frequency representation defined by values of time-frequency bins, a processor that maps the values of time-frequency bins into a hyperbolic space by executing an embedding neural network trained to associate each time-frequency bin to a high-dimensional embedding and projecting each high-dimensional embedding into the hyperbolic space, and an output interface that accepts a selection of at least a portion of the hyperbolic space and renders selected hyperbolic embeddings falling within the selected portion of the hyperbolic space.

公开(公告)号：US20230074002A1

公开(公告)日：2023-03-09

申请号：US17892192

申请日：2022-08-22

Applicant: NEC Laboratories America, Inc.

Inventor： Xuchao Zhang ,  Yuncong Chen ,  Haifeng Chen ,  Wenchao Yu ,  Wei Cheng ,  Xujiang Zhao

IPC: G01H3/08 ,  G06N3/04

Abstract: Systems and methods for Evidence-based Sound Event Early Detection is provided. The system/method includes parsing collected labeled audio corpus data and real time audio streaming data utilizing mel-spectrogram, encoding features of the parsed mel-spectrograms using a trained neural network, and generating a final predicted result for a sound event based on the belief, disbelief and uncertainty outputs from the encoded mel-spectrograms.

公开(公告)号：US10996250B2

公开(公告)日：2021-05-04

申请号：US16727415

申请日：2019-12-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Cheheung Kim ,  Sungchan Kang ,  Yongseop Yoon ,  Choongho Rhee

IPC: G01R23/16 ,  H04R17/02 ,  H04R19/00 ,  G01H11/08 ,  G01H3/08 ,  H04R1/24 ,  H03H9/24 ,  H04R19/04

Abstract: A spectrum analyzer includes: a support substrate; and a plurality of resonators that have center frequencies different from each other, one end of each of the plurality of resonators being fixed to the support substrate. The plurality of resonators are arranged so that an interval between resonators having adjacent center frequencies is secured by a certain value or greater, thus reducing coupling and increasing analysis accuracy.

公开(公告)号：US10983097B2

公开(公告)日：2021-04-20

申请号：US16402722

申请日：2019-05-03

Applicant: AUGURY SYSTEMS LTD.

Inventor： Saar Yoskovitz ,  Gal Shaul

IPC: G01N29/14 ,  G01N29/24 ,  G01N29/46 ,  G01H1/04 ,  G01H9/00 ,  G01M13/028 ,  G01M13/045 ,  G01H3/08 ,  G01H1/00

Abstract: A method for automatic diagnosis of a mechanical system of a group of mechanical systems sharing mechanical characteristics includes obtaining data relating to a vibration. The vibration-related data is acquired by a portable communications device configured to communicate with a remote processor. The processor automatically diagnoses the mechanical system by applying a relationship to the obtained vibration-related data. The relationship is based on sets of vibration-related data previously obtained from the mechanical systems. Each set of vibration-related data relates to vibrations of a mechanical system. The relationship is further based on sets of operation data previously obtained for mechanical systems of the group. Each set of operation data indicates a previous state of operation of a mechanical system. Each of the previous states of operation is associated with at least one of the previously obtained sets of vibration-related data.

公开(公告)号：US10955287B2

公开(公告)日：2021-03-23

申请号：US16806609

申请日：2020-03-02

Applicant: Trinity Gunshot Alarm System, LLC

Inventor： Stacy Jax ,  Martin Mauersberg

IPC: G01H3/08 ,  G10L25/18 ,  G10L25/51

Abstract: A system and method for detecting the occurrence of a gunshot are provided. The method may include receiving acoustic signals at a microphone indicative of a magnitude of the acoustic signal at a plurality of discrete frequencies, converting the acoustic signals to a digital signal and then employing a Goertzel algorithm based digital signal filter on the digital signal to produce Goertzel magnitudes at the plurality of discrete frequencies. The method subsequently determines if a maximum value of the digital signal is higher than a predefined threshold value. If the threshold value is exceeded, the method predicts if the Goertzel magnitudes at the plurality of discrete frequencies are indicative of a gunshot sound via gradient boosting; and, transmits a signal indicative of a gunshot occurrence after predicting if a possible gunshot event has occurred. A debouncer may also be utilized to suppress duplicative signals.

公开(公告)号：US10830914B2

公开(公告)日：2020-11-10

申请号：US15916093

申请日：2018-03-08

Applicant: Ford Global Technologies, LLC

Inventor： Scott Myers ,  Alexander Groh ,  Ramchandra Karandikar

IPC: G01V1/00 ,  G10K11/00 ,  G10K11/26 ,  G01H3/08 ,  G01S15/931

Abstract: A method for processing audible sounds using ultrasonic sensors. The method includes passively monitoring, via ultrasonic sensors, an external environment for a audible sounds. An audible sound may be detected and used to produce a sound signal. The sound signal may be filtered to determine one or more features corresponding thereto, including a class, a position, and a velocity. A priority may be assigned to the sound signal based on the sound signal to determine an appropriate response. A corresponding system and computer program product are also disclosed and claimed herein.

公开(公告)号：US20200298288A1

公开(公告)日：2020-09-24

申请号：US16304720

申请日：2017-04-19

Applicant: HONDA ELECTRONICS CO., LTD.

Inventor： Nagaya OKADA ,  Yoshiyuki ASAKURA

IPC: B08B3/12 ,  G01H3/08 ,  H01L21/304

Abstract: A sound-pressure analyzer in a high-intensity acoustic field that can accurately presume the cavitation-threshold and cavitation-amount being generated comprises: a hydrophone for transferring a voltage-signal corresponding to said sound-pressure in said acoustic field; a frequency-analyzer; and an arithmetic device. The frequency-analyzer analyzes the frequency-component in such an acoustic field based on the voltage-signal being transferred from the hydrophone and then sorts such signal into a basic-frequency component, a harmonic component, a sub-harmonic component and a white-noise component. An arithmetic device conducts arithmetic operations to evaluate the average of broadband sound pressure (ABP) of the white-noise component within a frequency-range having practical sensitivity, thus presuming the presence of the cavitation-threshold and the cavitation-amount being generated at a point wherein the ABP increases from about zero and wherein such cavitation-amount being generated is according to the level of the ABP value.

公开(公告)号：US10546097B2

公开(公告)日：2020-01-28

申请号：US15537311

申请日：2015-12-17

Applicant: ELECTRO CONTROLES DEL NOROESTE S.A. DE C.V.

Inventor： Alvaro Rendon Montoya ,  Luis German Ruiz Maytorena ,  Guzman Gerardo Alfonso Sanchez Schmitz ,  Oscar Samuel Cortez Moreno

IPC: G06F19/00 ,  G01N29/04 ,  B02C17/18 ,  G01H3/00 ,  G01N29/46 ,  G01N29/24 ,  G01N29/14 ,  G01H3/08 ,  H04R23/00 ,  H04R3/00

Abstract: This invention consists of a new analyzer system of the sounds generated in mills that capture the signals issued by the mineral and steel balls cascade that perform grinding. These signals are processed in an embedded system (2) formed by a field programmable gates array (FPGA) and a processor. The system is comprised of an industrial microphone array (1) that captures the sound signals that are converted from analog to digital through and acquisition system (3) specialized in sound signals, processed by a FPGA capable of performing parallel operations at high speed due to the customized hardware developed for this application, and sent to the processor through a high-speed data bus.

公开(公告)号：US09874472B2

公开(公告)日：2018-01-23

申请号：US13201082

申请日：2010-02-17

Applicant: Lionel Tarassenko ,  David A Clifton ,  Dennis King ,  Steven P King ,  David J Ault

Inventor： Lionel Tarassenko ,  David A Clifton ,  Dennis King ,  Steven P King ,  David J Ault

IPC: G01H1/00 ,  G01H3/08 ,  G01N29/46 ,  G01M13/02 ,  G01M13/04 ,  G01M15/12

CPC classification number: G01H1/006 ,  G01H3/08 ,  G01M13/028 ,  G01M13/045 ,  G01M15/12 ,  G01N29/46 ,  G01N2291/2693

Abstract: Vibration amplitudes are recorded as a function of rotation speed and of frequency and the data is analyzed to estimate a noise floor amplitude threshold for each of a plurality of different speed and frequency sub-ranges. On the basis of training data known to be normal speed-frequency areas which contain significant spectral content in normal operation are deemed “known significant spectral content”, so that during monitoring of new data points which correspond to significant vibration energy at speeds and frequencies different from the known significant spectral content can be deemed “novel significant spectral content” and form the basis for an alert. The estimation of the noise floor is based on a probabilistic analysis of the data in each speed-frequency area and from this analysis an extreme value distribution expressing the probability that any given sample is noise is obtained.