Abstract: A method, computer program, and computer system is provided for automated speech recognition. Audio data corresponding to one or more speakers is received. Covariance matrices of target speech and noise associated with the received audio data are estimated based on a gated recurrent unit-based network. A predicted target waveform corresponding to a target speaker from among the one or more speakers is generated by a minimum variance distortionless response function based on the estimated covariance matrices.

Abstract: The present application disclosed a conducting layer-dielectric layer-conducting layer (CDC) laminate structure and test method for detecting defects of an inter-metal dielectric layer. The laminate structure comprises: a dielectric layer formed on a substrate; a first conducting layer formed at a first side of the dielectric layer, wherein the first conducting layer includes a first metal region and at least one first opening in the first metal region; and a second conducting layer formed at a second side of the dielectric layer opposite to the first conducting layer such that the second conducting layer is separated from the first conducting layer by the dielectric layer, wherein the second conducting layer includes a second metal region and a plurality of second openings in the second metal region.

Abstract: An asymmetrical I/O structure is provided. In one embodiment, the asymmetrical I/O structure comprises a first power supply node connected to a first voltage, a second power supply node connected to a second voltage, a pull-up unit and a pull-down unit which are connected between the first power supply node and the second power supply node. The first voltage is higher than the second voltage. A node between the pull-up unit and the pull-down unit is connected to an I/O node. The pull-up unit comprises one or more pull-up transistors, and the pull-down unit comprises one or more pull-down transistors. The number of the pull-up transistors is different from the number of the pull-down transistors.

Abstract: A method, computer system, and computer readable medium are provided for automatic speech recognition. Video data and audio data corresponding to one or more speakers is received. A minimum variance distortionless response function is applied to the received audio and video data. A predicted target waveform corresponding to a target speaker from among the one or more speakers is generated based on back-propagating the output of the applied minimum variance distortionless response function.

Abstract: A method, computer program, and computer system for separating a target voice from among a plurality of speakers is provided. Video data associated with the plurality of speakers and audio data associated with each of the one or more speakers are received. Video feature data is extracted from the received video data. The target voice is identified from among the plurality of speakers based on the received audio data and the extracted video feature data.

Abstract: The present application describes process for preparing an ortho-allylated hydroxy aryl compounds such as compounds of Formula (I) by reacting an allylic alcohol with a hydroxy aryl compound in the presence of aluminum compound selected from alumina and aluminum alkoxides and in a non-protic solvent wherein at least one carbon atom ortho to the hydroxy group in the hydroxy aryl compound is unsubstituted. The present application also includes compounds of Formula (I).

Abstract: An apparatus including a memory operably coupled to a processor. The processor is configured to determine whether to use an intra smoothing filter for a rectangular prediction unit (PU), wherein a width of the rectangular PU is different from a height of the rectangular PU.

Abstract: A double-sided roll bond condenser has a main body, an interposition section, and a neck portion. The main body is an upright board and has two side surfaces. Two filling structures are respectively protruded from the two side surfaces of the main body. The interposition section is formed at a bottom portion of the double-side roll bond condenser, and is a U-shaped folded structure. The U-shaped folded structure protrudes from one of the two side surfaces of the main body. The neck portion is located between the main body and the interposition section.

Abstract: The application discloses a tunneling field-effect transistor, including: a substrate layer; a rectangular semiconductor strip formed on an upper surface of the substrate layer, where the rectangular semiconductor strip includes a first source region, a first channel region, a drain region, a second channel region, and a second source region that are disposed in sequence along a first direction; a first gate dielectric layer covering an outer surface of a first part of the first source region and a second gate dielectric layer covering an outer surface of a third part of the second source region.

Abstract: A highly integrated, fully automatic chemiluminescence detection equipment and its operation method are disclosed. The chemiluminescence detection equipment comprises a control module, a first electrical machine, a reagent wheel disc tank, a sampling module, a washing module, a second electrical machine and a detection module. Compared with the traditional large-scale chemiluminescence detection equipment, the chemiluminescence detection equipment of the present invention has the advantage of high integration, and greatly reduces the overall volume and weight of the chemiluminescence detection equipment.

Abstract: A voltage regulation circuit includes a first comparison and control unit and a second comparison and control unit. The first comparison and control unit is connected to a first switch unit, determine a first bias voltage based on a first output voltage, a first reference voltage, and a second reference voltage, and control a value of an equivalent resistance of the first switch unit using the first bias voltage. The second comparison and control unit is connected to a third switch unit and the second switch unit, determine a second bias voltage based on the first output voltage, a second output voltage, and a third reference voltage, and control values of equivalent resistances of the third switch unit and the second switch unit using the second bias voltage.

Abstract: Provided are a graphene and a preparation method therefor. The method for preparing a graphene comprises following steps: i) placing a mixture of a magnesium powder and a solid oxide powder in a carbon dioxide-containing environment; and ii) heating the mixture to enable the magnesium powder to react with carbon dioxide, thereby obtaining a graphene. The specific surface area of the grapheme is 350-750 m2/g, and the pore volume is 1-2 cm3/g. The method for preparing a graphene in the present invention is simple and easy to carry out, and has a low cost and a high yield; and the graphene product has few impurities, a high carbon-oxygen ratio, and excellent capacitance performance and electrochemical stability.

Abstract: A voltage regulation circuit includes a first comparison and control unit and a second comparison and control unit. The first comparison and control unit is connected to a first switch unit, determine a first bias voltage based on a first output voltage, a first reference voltage, and a second reference voltage, and control a value of an equivalent resistance of the first switch unit using the first bias voltage. The second comparison and control unit is connected to a third switch unit and the second switch unit, determine a second bias voltage based on the first output voltage, a second output voltage, and a third reference voltage, and control values of equivalent resistances of the third switch unit and the second switch unit using the second bias voltage.

Abstract: A voltage regulation circuit includes a first comparison and control unit and a second comparison and control unit. The first comparison and control unit is connected to a first switch unit, determine a first bias voltage based on a first output voltage, a first reference voltage, and a second reference voltage, and control a value of an equivalent resistance of the first switch unit using the first bias voltage. The second comparison and control unit is connected to a third switch unit and the second switch unit, determine a second bias voltage based on the first output voltage, a second output voltage, and a third reference voltage, and control values of equivalent resistances of the third switch unit and the second switch unit using the second bias voltage.

Abstract: A video coding mechanism is disclosed. The mechanism includes at least one pre-encoder configured to pre-encode a received input video signal, and output a pre-encoded video signal. The mechanism also includes an encoder configured to obtain the pre-encoded video signal from the pre-encoder, and encode the pre-encoded video signal as a bitstream for transmitting the bitstream to decoder for decoding.

Abstract: A phase shifter, a quantum logic gate apparatus, an optical quantum computing apparatus, and a phase shift method, where the phase shifter includes an optical resonant cavity and a quantum point, where a resonance frequency of the optical resonant cavity is ?c, the quantum point is located in the optical resonant cavity, and a transition frequency of the quantum point is ?x, the quantum point and the optical resonant cavity are coupled to form a coupled system, and a transition energy difference of the coupled system is determined by ?c, ?x, and a coupling strength between the quantum point and the optical resonant cavity (g), and ?x is set.

Abstract: A method for non-uniform mapping for quantization matrix coefficients between different sizes of quantization matrices in image/video coding includes obtaining a first quantization matrix and identifying a second quantization matrix to be formed therefrom. The second quantization matrix is a factor of two larger than the first quantization matrix. The second quantization matrix is populated with values from the first matrix through non-uniform mapping of the first quantization matrix. Non-uniform mapping to populate the second quantization matrix includes directly mapping values of all or a portion of the first quantization matrix into a most upper left portion of the second quantization matrix and mapping up-sampling values of the first quantization matrix into a remaining portion of the second quantization matrix.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for performing intra coding predictions. An intra-coding process applied to pixels in a frame of media is determined. The intra-coding process is determined whether to corresponding to at least one of most probable modes. In response to determining the intra-coding process does not correspond to the at least one of the most probable modes, four angular prediction modes are extracted from a list of prediction modes. A set of candidates based on the four angular prediction modes are determined. A pre-defined order of the set of candidates is determined, wherein each candidate mode of the set of candidate modes is included in a ranked order and signaled with a particular fixed length coding, and wherein a length of the particular fixed length coding increases based on the pre-defined order of the set of candidate modes.

Abstract: The present invention discloses a low-dielectric resin composition, a low-dielectric resin/metal composite material and a preparation method thereof, and an electronic device. The resin composition comprises, based on 100% by weight of the resin composition: 45-70 wt % of a base resin, 20-45 wt % of a chopped glass fiber, 1-3 wt % of a toughening resin, 0.2-0.5 wt % of an unmodified glycidyl methacrylate, and 0-10 wt % of an auxiliary. The base resin is selected from the PBT resin and/or the PPS resin. The chopped glass fiber has a dielectric constant of 4.0 to 4.4 at 1 MHz. With the same base resin component, the dielectric constant and dielectric loss of the low-dielectric resin material prepared with the low-dielectric resin composition are significantly reduced, which is advantageous for satisfying the requirements of use of plastics for antenna channels in metal shell of an electronic device, so as to improve the ability of the electronic device having antennas to receive and transmit signals.

Abstract: An apparatus including a memory operably coupled to a processor. The processor is configured to determine whether to use an intra smoothing filter for a rectangular prediction unit (PU), wherein a width of the rectangular PU is different from a height of the rectangular PU.