Abstract: This invention relates to methods and systems for reducing the concentration of SOx and/or NOx in gas streams.

Abstract: The disclosure relates to a method for determining a status of an intermediate support of a dump body arrangement included in a working machine, the dump body arrangement including a support frame, a dump body for receiving a load and pivotally attached to the support frame at a rear pivot point, a hydraulic support for raising and lowering a front part of the dump body, wherein the intermediate support is arranged between the hydraulic support and the rear pivot point to support the dump body, wherein the method includes the steps of receiving a signal indicating that the hydraulic support changes between a load-free state and a loaded state relative the dump body.

Abstract: The disclosure relates to a method for determining a status of an intermediate support of a dump body arrangement included in a working machine, the dump body arrangement including a support frame, a dump body for receiving a load and pivotally attached to the support frame at a rear pivot point, a hydraulic support for raising and lowering a front part of the dump body, wherein the intermediate support is arranged between the hydraulic support and the rear pivot point to support the dump body, wherein the method includes the steps of receiving a signal indicating that the hydraulic support changes between a load-free state and a loaded state relative the dump body.

Abstract: A vibrator assembly includes a housing defining a longitudinal central axis and a rotor in the housing and spaced apart from the central axis. The rotor defines a longitudinal rotational axis that is parallel to the central axis. The rotor is configured to rotate about the rotational axis and, in response, to rotate about the central axis.

Abstract: Method, means, portable terminal accessory and system for calibrating a sensor device comprising a positioning unit detecting the position of the electronic device, an image capturing unit capturing an image of the environment around the electronic device, a processing unit detecting the presence of at least one identifiable object in the image captured and from a comparison of the position of the object in relation to the position of the user determining the heading of a user of the electronic device. Once the heading of the user is determined, it is used to calibrate one or more sensor devices or sensor functionalities in the electronic device.

Abstract: The present disclosure relates to a speaker device and in particular to a speaker device having a water proof diaphragm, wherein the speaker device is designed to sustain a water pressure of 10 Atmospheres. The present disclosure further relates to an electronic device comprising the speaker device.

Abstract: A vibrator assembly includes a housing defining a longitudinal central axis and a rotor in the housing and spaced apart from the central axis. The rotor defines a longitudinal rotational axis that is parallel to the central axis. The rotor is configured to rotate about the rotational axis and, in response, to rotate about the central axis.

Abstract: The invention is directed to determining a gain for an equalizer associated with an audio device. An exemplary method comprises determining a maximum audio output level allowed by an acoustic safety threshold; determining a setting of the equalizer; and adjusting a gain of the equalizer based on the setting and the maximum audio output level. The invention enables an audio device to simultaneously satisfy an acoustic safety threshold and deliver an optimum audio output level.

Abstract: The present invention relates to a noise cancellation system, a headset and an electronic device. The noise cancellation system may include a loudspeaker, a first microphone, a second microphone, a housing and a processing unit. The housing may be mounted at an ear of a user, wherein the loudspeaker, the first microphone and the second microphone are installed in the housing. The processing unit may be coupled to the loudspeaker, the first microphone and the second microphone, and may be configured to generate a noise cancelling signal based on at least one of a first audio signal from the first microphone or a second audio signal from the second microphone, wherein the noise cancelling signal, when being output via the loudspeaker, at least partially compensates for environmental noise in the ear of the user.

Abstract: A method in a first electronic mobile device for adapting audio performance parameters is provided. The first electronic mobile device performs an audio interaction with a second electronic device. The first electronic mobile electronic device is associated with at least one earpiece comprising at least one speaker and at least one microphone. The method comprises detecting an acoustic echo between the at least one speaker and the at least one microphone, determining, based on the detected acoustic echo, position of the at least one earpiece in relation to a user of the first electronic mobile device, and adapting audio performance parameters, based on the detected position of the earpiece, whereby less echo during the audio interaction is achieved in the second electronic device.

Abstract: The present invention relates to a noise cancellation system, a headset and an electronic device. The noise cancellation system may include a loudspeaker, a first microphone, a second microphone, a housing and a processing unit. The housing may be mounted at an ear of a user, wherein the loudspeaker, the first microphone and the second microphone are installed in the housing. The processing unit may be coupled to the loudspeaker, the first microphone and the second microphone, and may be configured to generate a noise cancelling signal based on at least one of a first audio signal from the first microphone or a second audio signal from the second microphone, wherein the noise cancelling signal, when being output via the loudspeaker, at least partially compensates for environmental noise in the ear of the user.

Abstract: The invention relates to an audio device comprising: an audio source arranged to produce audio signals; an audio output arranged to connect at least one speaker with said audio device; impedance calculation means arranged to calculate an impedance of said at least one speaker; a speaker identification module arranged to determine the identity of said at least one speaker using said impedance and identification data relating to one or more reference speakers. Once the identity of a speaker is known, it can be used for audio compensation or marketing information.

Abstract: A sealing element (20) for sealing an opening (12) in a water impervious housing (10) of a wearable electrical device during submersion of the device in water is disclosed. The sealing element comprises a flexible membrane (22) being water impervious, the membrane is adapted to be attached to the housing and to water sealingly cover the opening whereby the flexible membrane is adapted to flex in response to water pressure upon submersion; and a protective cover member (24) being water impervious, the protective cover member is connected to the membrane such that as the membrane flex in response to water pressure the protective cover member is moved towards the housing to water sealingly cover the opening. Also a wearable electrical device comprising such a sealing element is disclosed.

Abstract: A headphone device includes a housing having a leakage hole to reduce pressure between a user's ear and the housing, a speaker positioned within the housing, and an audio processing module. The audio processing module is configured to receive an audio signal from an audio device, determine whether the audio signal includes at least a predetermined level of audio having a frequency in a first range of frequencies, transmit a first leakage control signal to a leakage hole valve when it is determined that the audio includes at least the predetermined level of low frequency audio; and transmit a second leakage control signal to the leakage hole valve when it is determined that the audio does not include at least the predetermined level of low frequency audio. The leakage hole valve is configured to close the leakage hole upon receipt of the first leakage control signal and open the leakage hole upon receipt of the second leakage control signal.

Abstract: The invention is directed to determining a gain for an equalizer associated with an audio device. An exemplary method comprises determining a maximum audio output level allowed by an acoustic safety threshold; determining a setting of the equalizer; and adjusting a gain of the equalizer based on the setting and the maximum audio output level. The invention enables an audio device to simultaneously satisfy an acoustic safety threshold and deliver an optimum audio output level.

Abstract: A method in a first electronic mobile device for adapting audio performance parameters is provided. The first electronic mobile device performs an audio interaction with a second electronic device. The first electronic mobile electronic device is associated with at least one earpiece comprising at least one speaker and at least one microphone. The method comprises detecting an acoustic echo between the at least one speaker and the at least one microphone, determining, based on the detected acoustic echo, position of the at least one earpiece in relation to a user of the first electronic mobile device, and adapting audio performance parameters, based on the detected position of the earpiece, whereby less echo during the audio interaction is achieved in the second electronic device.

Abstract: The present disclosure relates to a speaker device and in particular to a speaker device having a water proof diaphragm, wherein the speaker device is designed to sustain a water pressure of 10 Atmospheres. The present disclosure further relates to an electronic device comprising the speaker device.

Abstract: A method by an electronic device for controlling a frequency response of audio output includes: receiving an audio signal at the device; estimating a sound pressure level of the audio signal based on one or more attributes or settings of the electronic device and/or the audio signal; generating values of an adaptive loudness control curve along a range of frequencies, wherein the adaptive loudness control curve is generated based on a difference between values of an equal loudness curve at the estimated sound pressure level along and values of an equal loudness curve at a reference sound pressure level; filtering the audio signal using values of the adaptive loudness control curve; and controlling output of the filtered audio signal as an audio output having substantially the same loudness along the range of frequencies.

Abstract: The invention is directed to systems, methods and computer program products associated with a microphone system for receiving a sound and producing an output signal representing the sound. The microphone system has a first microphone having a first dynamic range, the first microphone to receive the sound and produce a first sound signal based on the received sound. It also has a second microphone having a second dynamic range, the second microphone to receive the sound and produce a second sound signal based on the received sound, wherein the first dynamic range and the second dynamic range overlap thereby forming a transition dynamic range and processing logic operatively coupled to the first microphone and the second microphone. The processing logic is configured to receive the first sound signal from the first microphone, receive the second sound signal from the second microphone, and generate the output signal by combining the first sound signal and the second sound signal.

Abstract: A method for reducing crosstalk in a headset connected to an audio device, in which the includes a left headphone, a right headphone and a common ground for the left headphone and the right headphone includes determining a frequency dependent impedance of the headset. The method also includes determining a frequency dependent impedance of the common ground, and determining a frequency dependent substantially optimum cross feed for attenuating crosstalk in at least one of the left headphone and the right headphone based on the impedance of the headset and the frequency dependent impedance of the common ground. The method further includes applying the frequency dependent substantially optimum cross feed to attenuate the crosstalk in the at least one of the left headphone and the right headphone.