Abstract: Described is a method of hosting a teleconference among a plurality of client devices arranged in two or more acoustic spaces, each client device having an audio capturing capability and/or an audio rendering capability, the method comprising: grouping the plurality of client devices into two or more groups based on their belonging to respective acoustic spaces, receiving first audio streams from the plurality of client devices, generating second audio streams from the first audio streams for rendering by respective client devices among the plurality of client devices, based on the grouping of the plurality of client devices into the two or more groups, and outputting the generated second audio streams to respective client devices. Further described are corresponding computation devise, computer programs, and computer-readable storage media.

Abstract: An adapter with novel alignment features engages alignment features on a plug, providing general alignment of the ferrule holders and ferrules in the plug. After the plug engages the adapter, the ferrule holders engage a second set of alignment features in the adapter to provide fine alignment for the ferrules.

Abstract: A system includes a reactor configured for catalytic water splitting to produce hydrogen and byproduct solids via contact of water and aluminum in the presence of a catalyst comprising a metal, a metal hydroxide, a metal oxide, or a combination thereof, wherein the reactor comprises one or more inlets whereby water, aluminum, the catalyst, or a combination thereof are introduced to a reaction chamber of the reactor, an outlet for hydrogen, and an outlet for a slurry comprising water, catalyst, and solids comprising aluminum oxide, aluminum hydroxide, or a combination thereof, a solid/liquid separation apparatus configured to separate the solids from the slurry to provide a solids-reduced slurry, and oilfield equipment. The oilfield equipment is operable via the hydrogen as fuel and/or via electricity produced from the hydrogen.

Abstract: A semiconductor device including a two-dimensional material is provided. The semiconductor device may include a two-dimensional material layer having semiconductor properties, a self-assembled monolayer in which self-assembled molecules are packed side-by-side, the self-assembled monolayer being arranged on the two-dimensional material layer, and an oxide layer arranged on the self-assembled monolayer.

Abstract: An implantable device for cardiac assistance by direct compression, including a base forming a receptacle for receiving the lower part of a heart, a support for fixing the lower part of the heart to the base, at least one finger extending longitudinally between a free upper first end and a curved lower second end inside the base, the finger being mounted on the base via a first pivot connection, a contact interface mounted adjustably and movably on the free end, an actuator for actuating the tilting movement of the finger about the pivot connection, and a control unit for controlling the actuator is disclosed.

Abstract: Described are systems and methods for memory read threshold tracking based on memory device-originated metrics characterizing voltage distributions. An example memory device includes: a memory array having a plurality of memory cells and a controller coupled to the memory array. The controller is to perform operations including: receiving a first value of a metric characterizing threshold voltage distributions of a subset of a set of the plurality of memory cells; determining a first voltage threshold adjustment value; receiving a second value of the metric; determining a second voltage threshold adjustment value; and applying the second voltage threshold adjustment value for reading the set of the plurality of memory cells.

Abstract: An apparatus for collecting a nasal specimen includes a device body with a nozzle at a distal end of the device body. The nozzle is configured to interface with a nasal cavity. The apparatus further includes an irrigation path and a collection path within the device body. The collection path may be separate from the irrigation path. The irrigation path is configured to direct a fluid from an irrigation chamber into the nasal cavity in order to dislodge a sample from the nasal cavity. When the fluid flows back out of the nasal cavity, the collection path is configured to direct at least a portion of the fluid and the sample dislodged from the nasal cavity into a collection chamber.

Abstract: An adapter with novel alignment features engages alignment features on a plug, providing general alignment of the ferrule holders and ferrules in the plug. After the plug engages the adapter, the ferrule holders engage a second set of alignment features in the adapter to provide fine alignment for the ferrules.

Abstract: A method performed by an encoder comprises extracting from an input mesh an extracted half symmetry mesh, the input mesh comprising a first side and a second side, the second side being opposite to the first side, the extracted mesh comprising only one of the first side and the second side; quantizing the extracted half symmetry mesh at a first bitdepth to generate a first quantized mesh; reparameterizing the first quantized mesh to generate a reparameterized mesh that includes a reduction in one or more empty spaces in the first quantized mesh; quantizing the reparameterized mesh at a second bitdepth different from the first bitdepth to generate a second quantized mesh; and encoding the second quantized mesh into a bitstream.

Abstract: An amplifier circuit has a variable gain amplifier including an input receiving an input signal and an open-conduction output, and an output stage including an input coupled to the open-conduction output of the variable gain amplifier and an output providing an output signal of the amplifier circuit. The variable gain amplifier has a first transistor and second transistor each having a control input receiving the input signal. A third transistor has a control terminal receiving a control signal and a first conduction terminal coupled to a first conduction terminal of the first transistor and a second conduction terminal being a first terminal of the open-conduction output. A fourth transistor has a control terminal receiving the control signal and a first conduction terminal coupled to a first conduction terminal of the second transistor and a second conduction terminal being a second terminal of the open-conduction output.

Abstract: The present disclosure relates to systems and methods for providing assistance to visually impaired and/or hearing-impaired users accessing a video conference. The systems and methods include initiating a virtual meeting hosting a plurality of participants, detecting a presence of at least one impaired participant from the plurality of participants, loading one or more audio visual settings for providing assistance to the at least one impaired participant, and automatically providing adjustments for one or more audio visual elements provided to the at least one impaired participant, based on the one or more audio visual settings.

Abstract: Method for in situ removal of a surface-active compound, such as per- and polyfluoroalkyl substances (PFAS), from groundwater are described. A trench is prepared that is arranged to capture groundwater flow. A diffuser is placed in the trench. The trench is backfilled with a permeable, inert solid to an elevation below ground elevation. A platform that floats on water is placed within the trench. The platform includes a perimeter support structure and one or more perforated crossbeams connected to a vacuum source. A compressed gas is provided to the diffuser within the trench to generate a foam containing the surface-active compound above the groundwater. A vacuum is applied through the one or more perforated crossbeams of the platform to collect the foam containing the surface-active compound.

Abstract: An organic light emitting diode display includes a plurality of first signal lines, a first insulating layer covering the first signal lines, a plurality of second signal lines on the first insulating layer and crossing the first signal lines, and a plurality of pixels connected to the first signal lines and the second signal lines. A groove in the first insulating layer separates adjacent ones of the pixels and a filling material in the groove.

Abstract: Various embodiments of the present disclosure disclose mitigating internal and external vibrational disturbances in opto-fluidic instrument. In various embodiments, the resonance frequency ranges and/or the vibrational frequency ranges of various modules and components of the opto-fluidic instrument may be selected to avoid resonances from occurring in the opto-fluidic instrument, thereby mitigating vibrations from internal and external sources that may distort the imaging of samples in the opto-fluidic instrument.

Abstract: A stationary phase for high-performance liquid chromatography including monofunctional primary silane functionalized silica provides improved separation performance for the preparative or process scale purification of cannabidiol (CBD) and tetrahydro-cannabinol (THC). Silica bonded with monofunctional primary silane(s) provides more efficient separation of these molecules through higher resolution values, reduced peak broadening and lower separation impedance, thus enabling higher purity product or more efficient purification process.

Abstract: This disclosure is generally directed to methods for obtaining sequence information at nucleotide resolution with spatial information directly from chromosome(s) in situ.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer-readable media, for speech recognition using multi-dialect and multilingual models. In some implementations, audio data indicating audio characteristics of an utterance is received. Input features determined based on the audio data are provided to a speech recognition model that has been trained to output score indicating the likelihood of linguistic units for each of multiple different language or dialects. The speech recognition model can be one that has been trained using cluster adaptive training. Output that the speech recognition model generated in response to receiving the input features determined based on the audio data is received. A transcription of the utterance generated based on the output of the speech recognition model is provided.

Abstract: Synthetic human cell mimic hydrogel particles and their use in cytometric or coulter device applications are described. The synthetic human cell mimic hydrogel particles described herein are selectively tunable to have at least one optical, volumetric, or capacitance property that is substantially similar to a corresponding optical, volumetric, or capacitance property of the human cell mimic hydrogel particle's natural biological cell counterpart.

Abstract: In an example, a request is received from a first user equipment (UE). The request corresponds to a request to establish a communication session with a second UE. A location of the first UE is determined based upon the request. An event datastore is analyzed, based upon the location of the first UE, to identify one or more events potentially impacting telecommunication services provided to the first UE. Based upon the one or more events, an announcement is provided for presentation on the first UE.

Abstract: Transceiver circuitry in an integrated circuit device includes a receive path including an analog front end for receiving analog signals from an analog transmission path and conditioning the analog signals, and an analog-to-digital converter configured to convert the conditioned analog signals into received digital signals for delivery to functional circuitry, and a transmit path including a digital front end configured to accept digital signals from the functional circuitry and to condition the accepted digital signals, and a digital-to-analog converter configured to convert the conditioned digital signals into analog signals for transmission onto the analog transmission path. At least one of the analog front end and the digital front end introduces distortion and outputs a distorted conditioned signal.