Abstract: A method for determining a constant current limit value by means of which a first current which flows through a battery cell is limited, wherein the constant current limit value is determined on the basis of a first function which specifies a first profile of the first current, which first profile is dependent on a plurality of parameters. The plurality of parameters include a first voltage which is applied between two terminals of the battery cell, a second voltage which specifies a no-load voltage of the battery cell, and a time variable.

Abstract: A method estimates a weight of a motor vehicle including front and rear wheel assemblies, using a smart communication device, after loading of the vehicle. The method includes identifying the vehicle in the smart communication device, using a camera of the smart communication device to capture and process a photograph of at least one wheel with at least one point of the vehicle brought to sink down jointly upon the loading of the vehicle with a suspension of the wheel of the vehicle, determining a clearance of the wheel assembly opposite the photographed wheel, calculating a load value on the wheel assembly of the photographed wheel and a load value on the opposite wheel assembly as a function of the respective clearances of these wheel assemblies, to determine a total load value, and using the smart communication device to inform a user of a load state of the vehicle.

Abstract: According to an implementation, an audio switch circuit includes an audio switch configured to selectively couple an input node to an output node to transfer an audio signal across the audio switch. The audio switch has an on-resistance in response to the input node being coupled to the output node. The on-resistance of the audio switch changes by a first value in response to an input voltage of the audio signal increasing from a first level to a second level. The audio switch circuit includes an on-resistance compensation circuit configured to have an on-resistance that changes by a second value in response to the input voltage of the audio signal increasing from the first level to the second level. The on-resistance compensation circuit is coupled to the audio switch such that the second value at least partially offsets the first value.

Abstract: A vehicle sound processing system including an array of sensors, memory, and a processing unit. The array of sensors is configured to detect signals of an object located outside the vehicle. The memory is configured to store control instructions. The processing unit is connected to the array of sensors and configured to read the control instructions from the memory and to perform, based on the control instructions, the following steps: determining the location of the object outside the vehicle is based on the detected signals, generating a three-dimensional sound field inside the vehicle and a sound event representing the detected object is placed in the three-dimensional sound field at a virtual location in the three-dimensional sound field such that when the three-dimensional sound field with the sound event is output to a vehicle occupant, the vehicle occupant locates the sound event at the determined location of the object.

Abstract: A method of providing audio feedback in response to a user performance using an earpiece includes steps of identifying a manual work operation to be performed by the user, wherein the identifying the manual work operation is performed by the earpiece, monitoring performance of the manual work operation by the user, wherein the monitoring the performance of the work operation is performed by the earpiece, generating 3D sound cues at the earpiece to assist in the performance of the manual work operation by the user, and outputting the 3D sound cues to the user at one or more speakers of the earpiece during the performance of the manual work operation by the user.

Abstract: A wireless earpiece includes a wireless earpiece housing, a processor disposed within the wireless earpiece housing, at least one microphone operatively connected to the processor, and at least one speaker operatively connected to the processor. The processor is configured to receive audio from the at least one microphone, perform processing of the audio to provide processed audio, and output the processed audio to the at least one speaker. The processing of the audio involves identifying body generated sounds generated by a body of a user of the wireless earpiece and removing the body generated sounds.

Abstract: An audio processing device includes a first anti-noise filter, an output circuit, and an equalizer circuit. The first anti-noise filter is configured to process a digital signal, in order to generate a noise cancellation signal. The output circuit is configured to mix the noise cancellation signal with an equalized signal to generate a mixed signal, and to generate a sound output signal based on the mixed signal, in which the digital signal is associated with the sound output signal. The equalizer circuit is configured to receive an input signal, and to adjust at least one parameter of the equalizer circuit according to the equalized signal and the digital signal, in order to process the input signal to generate the equalized signal.

Abstract: A headphone system includes a headphone body and a signal source device. The headphone body includes a connection kit, a first earmuff module, a second earmuff module, a connection port, and a processor. The first earmuff module is connected to a first terminal of the connection kit. The first earmuff module includes at least one first pressure sensor and a first speaker. The second earmuff module is connected to a second terminal of the connection kit. The second earmuff module includes at least one second pressure sensor and a second speaker. The connection port is used for receiving an audio source signal from the signal source device. The processor receives a plurality of pressure values detected by the at least one first pressure sensor and second pressure sensor and sets at least one set of equalizer gains of the first speaker and the second speaker according to the pressure values.

Abstract: An electroacoustic MEMS transducer, having a substrate of semiconductor material; a through cavity in the substrate; a back plate carried by the substrate through a plate anchoring structure, the back plate having a surface facing the through cavity; a fixed electrode, extending over the surface of the back plate; a membrane of conductive material, having a central portion facing the fixed electrode and a peripheral portion fixed to the surface of the back plate through a membrane anchoring structure; and a chamber between the membrane and the back plate, peripherally delimited by the membrane anchoring structure.

Abstract: A noise cancelation device, and a method, for suppressing noise patterns emitted from a body of a user are disclosed. The noise cancelation device comprises in some embodiments at least one sensor for sensing noise patterns produced by the body of the user and generating noise data indicative thereof, noise cancelling circuitry configured and operable to process the noise data generated by the at least one sensor and generate anti-noise signals therefrom, and at least one acoustic transducer for producing audio outputs from the generated anti-noise signals. The noise cancelation device is configured to be attached to the body of the user, either on or adjacent a body part from which the noise patterns are being emitted.

Abstract: An apparatus comprising at least one processor and at least one memory, the memory comprising machine-readable instructions, that when executed cause the apparatus to: store in a non-volatile memory multiple sets of predetermined spatial audio processing parameters for differently moving sound sources; provide in a man machine interface an option for a user to select one of the stored multiple sets of predetermined spatial audio processing parameters for differently moving sound sources; and in response to the user selecting one of the stored multiple sets of predetermined spatial audio processing parameters for differently moving sound sources, the apparatus is further caused to use the selected one of the stored multiple sets of predetermined spatial audio processing parameters to spatially process audio from one or more sound sources.

Abstract: Multi-function apparatuses and methods associated with augmenting an analog audio signal are disclosed herein. In embodiments, a multi-function apparatus for performing a plurality of functions may include a microphone to receive a propagated analog audio signal and ambient noise; a receiver to receive a digitally streamed version of the analog audio signal; a harmonizer, that includes a plurality of processors, to generate a digital adjusted version of the analog signal including noise canceling signal to cancel some or all of the ambient noise, based on the propagated analog audio signal, the ambient noise, and the digitally streamed version of the analog audio signal; and a digital-to-analog converter to convert the digital adjusted version of the analog signal to an analog adjusted version of the analog signal. The analog adjusted version of the analog signal may then be outputted to augment the propagated analog audio signal. Other embodiments may be disclosed or claimed.

Abstract: A navigation system to transition from a stationary alignment filter to an in-motion alignment filter is provided. The system comprises a processing unit configured to implement a stationary alignment Kalman filter (SAKF) in gyrocompass alignment mode to generate state estimates and provide corrections when the object is stationary, and to implement an algorithm to compute a covariance for the SAKF that accounts for uncertainty in the SAKF estimates; wherein the processing unit is further configured to implement a continuous alignment filter (CAF) that generates a secondary solution which remains unaffected by the SAKF corrections during a delay period accommodating a delay between the time of actual motion to the time of detected motion, and to implement an algorithm to compute a covariance for CAF that accounts for the uncertainty in CAF during delay period; and wherein outputs of the CAF and its covariance are communicated to an in-motion alignment filter.

Abstract: A ground insert sound includes a stake, a support rod mounted on the stake, and a sounding assembly mounted on the support rod. The sounding assembly includes a base mounted on the support rod, a sound guide unit mounted on the base, a speaker module mounted on the sound guide unit, an outer shell mounted on and located outside of the speaker module, a circuit board mounted in the base, and a battery mounted in the base. The circuit board is connected electrically with the speaker module by conducting wires. The battery is connected electrically with the circuit board by conducting wires.

Abstract: Embodiments include method, systems and computer program products for sound identification. Aspects include receiving, by a processor in a wearable electronic device, an indication of an audio signal. The audio signal is analyzed to determine an audio source and based at least in part on the audio source, non-auditory feedback is provided to a user of the wearable electronic device.

Abstract: A method for selective sound field environment processing for one or more wireless earpieces, each of the one or more wireless earpieces including comprising a plurality of microphones is provided. The method includes receiving audio input of a sound field environment from the plurality of microphones of each of the one or more wireless earpieces, identifying background noise in the sound field environment, identifying audio from at least one sound source within the sound field environment, processing the audio input using one or more processors of at least one of the wireless earpieces to reduce the background noise and processing the audio input using one or more processors of the at least one of the wireless earpieces to enhance the audio from the at least one sound source within the sound field environment to provide processed audio, and transducing the processed audio at one or more speakers of the one or more wireless earpieces.

Abstract: A method for locating utensils involves (step a) measuring, by magnetometers, of the amplitude of the magnetic field, and (step b) estimating, with the magnetometer measurements the positions, orientations and amplitudes of the magnetic moments of the objects of the utensils. The method also includes (step c) detecting each immobile utensil and, in response, adding the immobile utensil to a list, and (step d) establishing measurements from the magnetometers when they are exclusively in the presence of a reference magnetic field generated only by magnetic objects of all the immobile utensils in the list of immobile utensils. The method further includes (step e) calculating the amplitude of a disturbance on the basis of the differences between the measurements performed in step a) and the measurements established in step d). If the amplitude of the disturbance crosses a predetermined threshold, step b) is executed, otherwise the method returns to step a).

Abstract: Embodiments of the present invention provide jewel and jade identification method and apparatus. The method comprises the steps: (a) placing a sample to be detected over a light transmission hole formed on a carrying surface of an object table and emitting, by an optical probe disposed below the carrying surface, an exciting light onto the sample through the light transmission hole and then collecting a Raman scattered light from the sample by the optical probe. (b) acquiring a Raman spectrum curve of the sample from the collected Raman scattered light from the sample; and (c) comparing the Raman spectrum curve with a reference Raman spectrum library for jewels and jades to identify the sample. The method and apparatus may achieve effective, convenient and accurate inspections of the jewels and jades.

Abstract: A system, includes machinery; and a protection monitoring system, comprising a processor configured to: analyze a trend of one or more data measurements of the machinery for one or more patterns indicative of a potential future fault within the machinery in the trend; and provide a fault prediction based upon the analysis of the trend.

Abstract: The present invention relates to a video conference method using a computer 20 and a conference server 10 connected to the Internet, in which objects that can be selected by a user, such as icons, buttons and the like, are outputted on the computer 20 connected to the conference server 10, and the computer 20 is registered as a participant of a conference as the user performs handling of selecting an object, and thus circulation of video information is performed through the conference server 10. Through the present invention, it is possible to participate in a video conference only by intuitive handling of selecting an object implemented in a computer 20 without inputting the complicated identification information or a URL, and therefore, an effect of enhancing user's convenience and expanding utilization of an Internet video conference can be obtained.