Abstract: Certain embodiments of the present disclosure provide techniques training a user detection model to identify a user of a software application based on voice recognition. The method generally includes receiving a data set including a plurality of voice interactions with users of a software application. For each respective recording in the data set, a spectrogram representation is generated based on the respective recording. A plurality of voice recognition models are trained. Each of the plurality of voice recognition models is trained based on the spectrogram representation for each of the plurality of voice recordings in the data set. The plurality of voice recognition models are deployed to an interactive voice response system.

Abstract: A semiconductor structure includes a first transistor, a second transistor, a metal rail, and a first source/drain contact and a second source/drain contact. The first transistor has a gate structure, a first source/drain feature, and a second source/drain feature. The first source/drain feature and the second source/drain feature are on opposite sides of the gate structure. The second transistor has the gate structure, a third source/drain feature directly over the first source/drain feature, and a fourth source/drain feature directly over the second source/drain feature. The metal rail extends in an X-direction and adjacent to the gate structure in a Y-direction. The first source/drain contact and the second source/drain contact each has an L-shape in a Y-Z cross-sectional view. The first source/drain contact electrically connects the first source/drain feature to the metal rail. The second source/drain contact electrically connects the fourth source/drain feature to the metal rail.

Abstract: An automatic target image acquisition and calibration system for application in a defect inspection system is disclosed. During the defect inspection system working normally, the automatic target image acquisition and calibration system is configured to find a recognition structure from an article under inspection, and then determines a relative position and a relative 3D coordinate if the article. Therefore, a robotic arm is controlled to carry a camera to precisely face each of a plurality of inspected surfaces of the article, such that a plurality of article images are acquired by the camera. It is worth explaining that, during the defect inspection of the article, there is no need to modulate an image acquiring height and an image acquiring angle of the camera and an illumination of a light source.

Abstract: An electronic device is provided. The electronic device includes an antenna array including a plurality of antenna patterns collectively configured to provide a scan-angle coverage. Each of the antenna patterns includes a curved surface.

Abstract: A multi-fuse memory cell is disclosed. The circuit includes: a first fuse element electrically coupled to a first transistor, a gate of the first transistor is electrically coupled to a first selection signal; a second fuse element electrically coupled to a second transistor, a gate of the second transistor is electrically coupled to a second selection signal, both the first transistor and the second transistor are grounded; and a programming transistor electrically coupled to the first fuse element and the second fuse element, wherein a gate of the programming transistor is electrically coupled to a programming signal.

Abstract: A device includes: a complementary transistor including: a first transistor having a first source/drain region and a second source/drain region; and a second transistor stacked on the first transistor, and having a third source/drain region and a fourth source/drain region, the third source/drain region overlapping the first source/drain region, the fourth source/drain region overlapping the second source/drain region. The device further includes: a first source/drain contact electrically coupled to the third source/drain region; a second source/drain contact electrically coupled to the second source/drain region; a gate isolation structure adjacent the first and second transistors; and an interconnect structure electrically coupled to the first source/drain contact and the second source/drain contact.

Abstract: An amplifier DC bias protection circuit includes an amplifier module, a filter module and a comparator module. The amplifier module converts an input signal into a non-inverting signal and an inverting signal. The filter module blocks AC signals in the non-inverting signal and the inverting signal, thereby providing a first DC bias signal and a second DC bias signal accordingly. The comparator module is configured to determine whether the absolute value of a DC bias difference signal is greater than a predetermined value, and output a determination signal for deactivating the amplifier module when the absolute value of the DC bias difference signal is greater than the predetermined value. The DC bias difference signal is associated with the voltage difference between the first DC bias signal and the second DC bias signal.

Abstract: A foldable terminal device includes a feed source, a first part, and a second part. The first part is configured with a first antenna element that is fed by the first feed source. The second part is configured with a second antenna element that is coupled to the first antenna element for coupled feeding when the foldable terminal device is folded. An operating frequency band of the second antenna element includes an operating frequency band of the first antenna element.

Abstract: Methods of forming magnetic tunnel junction (MTJ) memory cells used in a magneto-resistive random access memory (MRAM) array are provided. A pre-clean process is performed to remove a metal oxide layer that may form on the top surface of the bottom electrodes of MTJ memory cells during the time the bottom electrode can be exposed to air prior to depositing MTJ layers. The pre-clean processes may include a remote plasma process wherein the metal oxide reacts with hydrogen radicals generated in the remote plasma.

Abstract: This application relates to a method of extracting an inter channel feature from a multi-channel multi-sound source mixed audio signal performed at a computing device.

Abstract: Embodiments of this application discloses an azimuth estimation method performed at a computing device, the method including: obtaining, in real time, multi-channel sampling signals and buffering the multi-channel sampling signals; performing wakeup word detection on one or more sampling signals of the multi-channel sampling signals, and determining a wakeup word detection score for each channel of the one or more sampling signals; performing a spatial spectrum estimation on the buffered multi-channel sampling signals to obtain a spatial spectrum estimation result, when the wakeup word detection scores of the one or more sampling signals indicates that a wakeup word exists in the one or more sampling signals; and determining an azimuth of a target voice associated with the multi-channel sampling signals according to the spatial spectrum estimation result and a highest wakeup word detection score, thereby improving the accuracy of the azimuth estimation in a voice interaction process.

Abstract: A method of acoustic echo suppression using a recurrent neural network, performed by at least one processor, is provided. The method includes receiving a microphone signal and a far-end reference signal, estimating an echo suppressed signal and an echo signal based on the microphone signal and the far-end reference signal, estimating enhancement filters for the microphone signal based on the echo suppressed signal and the echo signal, generating an enhanced signal based on the enhancement filters, and adjusting the enhanced signal using automatic gain control (AGC) and outputting the adjusted signal.

Abstract: A hinge assembly includes two hinge arms, a fixing structure, and a plurality of balls. Each of the two hinge arms includes a gear portion. A shaft hole and at least one groove are defined on the gear portion, and the shaft hole connects to the at least one groove. The fixing structure includes two central shafts, each of the two central shafts passes through the shaft hole respectively. Each ball is accommodated in the at least one groove. The balls are in interference fit with the two central shafts. The balls and the two central shafts generate a damping force while they rotate relative to each other or tend to rotate relative to each other to maintain the position of the two hinge arms. The hinge assembly has a long service life and sufficient space. A terminal device is provided according to the present disclosure.

Abstract: A semiconductor device includes a fin, first source/drain regions, second source/drain regions, a first nanosheet, a second nanosheet and a metal gate structure. The fin extends in a first direction and protrudes above an insulator. The first source/drain regions are over the fin. The second source/drain regions are over the first source/drain regions. The first nanosheet extends in the first direction between the first source/drain regions. The second nanosheet extends in the first direction between the second source/drain regions. The metal gate structure is over the fin and between the first source/drain regions. The metal gate structure extends in a second direction different from the first direction from a first sidewall to a second sidewall. A first distance in the second direction between the first nanosheet and the first sidewall is smaller than a second distance in the second direction between the first nanosheet and the second sidewall.

Abstract: A far-field pickup device including a device body and a microphone pickup unit is provided. The microphone pickup unit is configured to collect user speech and an echo of a first sound signal output by the device body, and transmit, to the device body, a signal obtained through digital conversion of the collected user speech and the echo. The device body includes a signal playback source, a synchronizing signal generator, a horn, a delay determining unit, and an echo cancellation unit configured to perform echo cancellation on the signal transmitted by the microphone pickup unit to obtain a collected human voice signal.

Abstract: A top electrode of a magnetoresistive random access memory (MRAM) device over a magnetic tunnel junction (MTJ) is formed using a film of titanium nitride oriented in a (111) crystal structure rather than a top electrode which uses tantalum, tantalum nitride, and/or a multilayer including tantalum and tantalum nitride.

Abstract: This application discloses a sound acquisition component array, including: two first sound acquisition components, two second sound acquisition components, and two third sound acquisition components. The two second sound acquisition components are located at a first side of a line connecting the two first sound acquisition components, and the two third sound acquisition components are located at a second side of the connecting line that is opposite to the first side of the connecting line; the two second sound acquisition components are symmetrical about a perpendicular bisector of the connecting line, and the two third sound acquisition components are symmetrical about the perpendicular bisector; and a distance between the two first sound acquisition components, a distance between the two second sound acquisition components, and a distance between the two third sound acquisition components are respectively different from one another along a direction defined by the connecting line.

Abstract: Systems and techniques for enhancing the physical games with augmented reality is described. A system identifies a characteristic of a physical object that is located on a physical surface. The system obtains, based on the characteristic, information indicative of a rule set for the game and a state of the game based on the characteristic. A game engine is initialized based on the rule set and game state. The game engine generates a subsequent state for the game. The system renders, based on the subsequent state, an augmented reality display that incorporates the physical surface and physical object.

Abstract: A head-mounted display device includes a front-end assembly, a plurality of support arms, a plurality of counterweight parts and a plurality of brackets. The plurality of support arms are respectively connected to the front-end assembly. The plurality of counterweight parts are respectively slidably arranged to the plurality of support arms and away from the front assembly. The plurality of brackets are respectively connected to the plurality of counterweight parts and used for contacting the head of the user. The brackets are separated from each other. Each of the brackets has an upper part and a lower part. The upper parts of the brackets are adapted to support the upper part of the back of the user's head. The lower parts of the brackets are adapted to support the lower part of the back of the user's head.