Abstract: A composition for extracting a metal, the composition comprising an organic phase comprising an organic solvent and an organic phosphate. The composition may comprise a crown ether. The crown ether may comprise B15C5 crown and the organic solvent may comprise chloroform, toluene, xylene, dichloroethane, trichloroethane, heptane, 1,2-dichlorobenzene, or a combination thereof. The organic phase may further comprise an alcohol. A method for extracting a metal, the method comprising disposing an organic phase comprising an organic solvent and an organic phosphate; and an aqueous phase comprising a metal salt and a base into a high-speed countercurrent chromatograph.

Abstract: An apparatus including circuitry configured to: obtain an object track and an ambience track; obtain a control value configured to control the relative levels of the object track and the ambience track; estimate a leakage between the object track and the ambience track; determine at least one leakage level gain control value based on the control value and the leakage; and apply the at least one leakage level gain value to at least one of: the object track; and the ambience track, the application of the at least one leakage level gain value is such that a rendered audio signal is based on the application of the at least one leakage level gain control value to at least one of: the object track; and the ambience track.

Abstract: An apparatus configured to: obtain at least one spatial audio signal, the at least one spatial audio signal comprising at least one audio signal and at least one spatial parameter; determine at least one first audio signal based, at least partially, on the at least one spatial audio signal and the at least one of the user position or orientation; obtain at least one augmentation audio signal, wherein the at least one augmentation audio signal has a different audio format than an audio format of the at least one spatial audio signal, wherein the at least one augmentation audio signal provides a different type of media content; determine at least one second audio signal based, at least partially, on at least a part of the at least one augmentation audio signal; and mix the at least one first audio signal and the at least one second audio signal.

Abstract: A camera (10), a system and a method for identification utilize an identification marker arranged inside the camera, at a cover glass (15) for the image sensor (14). The system comprises the camera and an optical identity tag (31) placed outside the camera (10). The optical identity tag (31) comprises a security hologram configured to reflect rays of light in a first predefined light pattern (71); the cover glass (15) comprises an identification marker (1) at the optical path, wherein the identification marker (1) is configured to block rays of light to reach a portion of the image sensor (14); and the identification marker (1) is configured to alter the first predefined light pattern (71) into a second predefined light pattern (72), when the first predefined light pattern (71) is reflected from the optical identity tag (31) to the identification marker (1).

Abstract: A holder device for holding objects includes a holder body, a moveable carrier element, and a force generating system tending to move the carrier element in a first direction to a first position when the carrier element is in a second position away from the first position. The carrier element constitutes a trough having a longitudinal direction perpendicular to the first direction, a wider area closer to a bottom of the trough, and a narrower area farther from the bottom of the trough. When the carrier element is in the first position, a rim of the holder body closes the trough so that the objects cannot be moved in the longitudinal direction to and from the trough. When the carrier element is in the second position, the objects can be moved in the longitudinal direction to and from the trough.

Abstract: A generator and a related method are disclosed. The generator includes at least one rotor, at least one bridging element arranged to rotate about a rotation axis (X) of the rotor, an inductance unit holder, the inductance unit holder including at least one inductance unit, the inductance unit including at least one inductance coil, and a core, the at least one bridging element arranged to induce an alternating and pulsed voltage to the at least one inductance coil, the generator including at least one flow channel unit arranged to convey a fluid flow to the rotor. The rotor is arranged to rotate relative to the flow channel unit in a floating bearing manner, with a rotation frequency.

Abstract: A computing system is provided, including a camera configured to capture a series of images in a video stream, processing circuitry, and an image processing pipeline including a preprocessing module and an encoder, in which the preprocessing module is configured to receive the video stream from the camera at a camera-native video data rate parameter. The processing circuitry is configured to communicate with a server to establish a joint video communication session with remote client devices and receive a requested video data rate parameter from the server for the video stream captured by the camera. The processing circuitry is further configured to send a command to the preprocessing module to adjust the camera-native video data rate parameter of the video stream to the requested video data rate parameter and preprocess the video stream at the requested video data rate parameter and pass the preprocessed video stream to the encoder.

Abstract: The invention relates to locks. More particularly, aspects of the invention relate to a lock that can be used to lock a door, and which features multiple modes to access the lock in order to open or close the lock. The disclosed lock combines different power sources with different access technologies resulting in a lock that will remain functional for a very long time without maintenance.

Abstract: A computing system is provided, including a camera configured to capture a series of images in a video stream, processing circuitry, and an image processing pipeline including a preprocessing module and an encoder, in which the preprocessing module is configured to receive the video stream from the camera at a camera-native video data rate parameter. The processing circuitry is configured to communicate with a server to establish a joint video communication session with remote client devices and receive a requested video data rate parameter from the server for the video stream captured by the camera. The processing circuitry is further configured to send a command to the preprocessing module to adjust the camera-native video data rate parameter of the video stream to the requested video data rate parameter and preprocess the video stream at the requested video data rate parameter and pass the preprocessed video stream to the encoder.

Abstract: According to an aspect, there is provided an apparatus for a wearable terminal device including circuitry configured for performing the following. The apparatus receives, via a bone conduction sensor, a bone conduction signal and, via at least one microphone over the air, an audio signal. The bone conduction signal and the audio signal are, at least in part, substantially concurrently recorded signals. The apparatus calculates a value of a similarity metric for evaluating an extent of similarity between the bone conduction and audio signals. In response to the value exceeding a pre-defined threshold, the apparatus causes performing one or more actions including executing, in response to detecting a voice command, the voice command and/or modifying, if the audio signal is received via a plurality of microphones over the air, one or more audio focusing parameters of the plurality of microphones for increasing the value of the similarity metric.

Abstract: A method comprising: obtaining a first audio direction parameter value for each sub-band of a sub-frame of a frame of an audio signal; obtaining a second audio direction parameter value for the sub-frame of the frame of the audio signal for one or more audio objects associated with said audio signal; and determining a bit-efficient encoding for each first audio direction parameter value of the sub-frame based on a similarity between the first audio direction parameter value for each sub-band and the second audio direction parameter values for the one or more audio objects.

Abstract: A method includes receiving, by an industrial automation device, a first changeset with a first digital signature generated using a private key, wherein the first changeset includes a data package for modifying a configuration or a state of the industrial automation device; verifying, by the industrial automation device, the first digital signature of the first changeset based on a pre-stored public key corresponding to the private key; obtaining, by the industrial automation device, an approval for applying the first changeset in response to verifying the first digital signature of the first changeset, wherein the approval is obtained by finding a pre-stored approval token corresponding to the first changeset, or by receiving a user input indicating the approval; and applying, by the industrial automation device, the first changeset in response to obtaining the approval.

Abstract: Examples are disclosed that relate to front-end image preprocessing. One example provides a computing device comprising an image sensor, an image signal processor, and a front-end preprocessor disposed electrically between the image sensor and image signal processor. The computing device further comprises a storage subsystem comprising instructions executable by a logic subsystem to receive a first image from the image sensor at the preprocessor, preprocess the first image to produce a quantification of first image content, receive a second image, preprocess the second image to produce a quantification of second image content, compare the second quantification to the first quantification to determine a difference, and responsive to the difference satisfying a threshold condition, cause an operating state of a component of the computing device to be changed.

Abstract: The present invention concerns a process for producing calcium carbonate from a calcium-containing alkaline slag material, the process containing the steps of extracting the alkaline slag material in a series of extraction steps, including at least 2 extraction steps, using extraction solvent(s) containing salt in an aqueous solution, whereby a calcium-containing filtrate and a residual slag is formed in each extraction step, separating the residual slag from the filtrate after each extraction step, carrying each residual slag to the following extraction in the series of extractions, to be used as raw material in said following extraction, and discarding the residual slag separated from the last extraction, carrying each filtrate to the previous extraction in the series of extractions, to be used as extraction solvent in said previous extraction, and carrying the first filtrate, separated from the first extraction step, to a carbonating step, carbonating calcium as calcium carbonate from the first filtrate

Abstract: Methods, systems, and devices for wireless charger are described. A charging device may include a base configured to receive a ring-shaped wearable device in multiple radial orientations relative to the base. The charging device may also include a magnetic component configured to magnetically attract a magnetic component of the ring-shaped wearable device to orient the wearable device in a single radial orientation relative to the base. The charging device may include an inductive charging component that may wireless charge the wearable device via an inductive charging component of the wearable device based on the inductive charging components being within a threshold distance.

Abstract: An apparatus configured to: obtain media content, wherein the media content comprises at least one audio content; obtain content information, the content information comprising an identification; determine an at least partially reduced rendering of the at least one audio content based, at least partially, on the identification of the at least one audio content; and provide the at least partially reduced rendering of the at least one audio content.

Abstract: There is disclosed inter alia a method for rendering a virtual reality audio scene comprising: receiving information defining a limited area audio scene within the virtual reality audio scene (301), wherein the limited area audio scene defines a sub space of the virtual reality audio scene (304), wherein the information defines the limited area audio scene by defining an extent a user can move within the virtual audio scene; determining if the movement of the user within the limited area audio scene meets a condition of an audio scene change (302); and processing the audio scene change when the movement of the user within the limited area audio scene meets the condition of an audio scene change (306).

Abstract: Methods, systems, and devices for wireless charger are described. A charging device may include a base configured to receive a ring-shaped wearable device in multiple radial orientations relative to the base. The charging device may also include a magnetic component configured to magnetically attract a magnetic component of the ring-shaped wearable device to orient the wearable device in a single radial orientation relative to the base. The charging device may include an inductive charging component that may wireless charge the wearable device via an inductive charging component of the wearable device based on the inductive charging components being within a threshold distance.

Abstract: A solar energy collector arrangement that includes a plurality of solar collectors arranged in at least two rows and at least two columns, and at least one fastening member. A fastening member in the middle of solar energy collector arrangement is configured to couple to four solar energy collectors around it, and fastening members in an edge area of the solar energy collector arrangement are configured to couple and align two solar energy collectors to each other.

Abstract: An apparatus may be configured to: obtain media content, wherein the media content comprises at least one audio content; obtain priority content information, the priority content information comprising a priority identification identifying and classifying the at least one audio content; determine to at least partially reduce rendering of the at least one audio content based, at least partially, on a quota associated with the priority identification of the at least one audio content; and render the at least one audio content based, at least partially, on the priority content information and the determining.