30 results about "Crosstalk cancellation" patented technology

The present disclosure relates to a computer-implemented method of generating audio signals. A computer-implemented method of generating audio signals for a low frequency unit array and a high frequency unit array housed in a computing device is disclosed, the method comprising: receiving a plurality of input audio signals to be reproduced by the low frequency unit array and the high frequency unit array at a respective plurality of control points in an acoustic environment; and generating a respective output audio signal for each low frequency unit and each high frequency unit by applying one or more crosstalk cancellation algorithms to the plurality of input audio signals to control a pressure at each of the plurality of control points, wherein the low frequency unit array comprises two low frequency units and the high frequency unit array comprises at least three high frequency units.

This invention provides a low-crosstalk signal demodulation device and method for fiber optic laser communication, belonging to the field of fiber optic communication technology. The device includes a fiber optic signal input port, an optical circulator, a polarization beam splitter / combiner module, a balanced photodetector unit, a low-noise amplification and quadrature demodulation module, an adaptive crosstalk cancellation unit, a MIMO equalization and decision unit, and a digital signal output port, connected in series according to the signal flow direction. It also includes a crosstalk monitoring and feedback unit bidirectionally connected to the low-noise amplification and quadrature demodulation module, the adaptive crosstalk cancellation unit, and the MIMO equalization and decision unit. This invention, employing the aforementioned low-crosstalk signal demodulation device and method for fiber optic laser communication, overcomes the limitations of traditional single-domain crosstalk suppression. Through the synergistic effect of optical path, circuit, and algorithm layers, it effectively suppresses crosstalk caused by multi-channel multiplexing, polarization mode dispersion, and backscattering, significantly improving demodulation accuracy, anti-interference capability, and system stability.

The invention discloses an inter-core-particle interconnection 5b-6b crosstalk cancellation transceiver, a chip and equipment, the inter-core-particle interconnection 5b-6b crosstalk cancellation transceiver comprises a transmitter, a receiver and a clock module, the transmitter comprises an encoder used for realizing inter-channel bit smooth coding, the receiver comprises a clock module, and the clock module comprises a clock module. The receiver comprises a decoder used for realizing inter-channel bit smooth decoding, inter-channel bit smooth coding refers to performing inter-channel bit smooth coding on 5-bit binary data to obtain 6-bit coded data, and inter-channel bit smooth decoding refers to performing inter-channel bit smooth decoding on the 6-bit coded data to obtain 5-bit binary data. The present invention is directed to combining crosstalk cancellation coding with channel characteristics to maximize bandwidth and edge density while maintaining signal integrity, improving the ability to maintain signal integrity in high density interconnects by reducing bit transitions between channels to reduce far-end crosstalk (FEXT) between lines and to improve crosstalk suppression performance.

Connectors to a set of differential transmit signal contacts for multiple lanes of a communications link may incur signal crosstalk between adjacent lanes. Similar signal crosstalk at the other end of the communications link may be incurred by connectors to a set of differential receive signal contacts. The connector arrangement may provide opposite polarities to the signal crosstalk contributions at opposite ends of the link, creating a substantial reduction in crosstalk.

Semiconductor devices, packages, and structures are described. A semiconductor structure can include a plurality of BGA pads, where a plurality of BGA balls are attached to a first surface of the plurality of BGA pads. The semiconductor structure can further include a layer of dielectrics deposited on a second surface of the plurality of BGA pads. The second surface can be opposite from the first surface. The semiconductor structure can further include at least one floating structure deposited on the layer of dielectrics. The at least one floating structure and at least two of the plurality of BGA pads can form at least two capacitors that are connected within the interposer.

The invention discloses a microseismic crosstalk noise elimination method and device based on cross-correlation. The method comprises the following steps: S1, inputting microseismic monitoring data; s2, calculating a correlation coefficient of each channel of monitoring data, and constructing a standard crosstalk set based on each channel of correlation coefficient and a crosstalk identification threshold; s3, calculating a maximum crosstalk channel, and obtaining a standard crosstalk channel based on the correlation coefficient of the maximum crosstalk channel and the standard crosstalk set; s4, calculating a correlation coefficient of the standard crosstalk channel and the data, and constructing a crosstalk elimination factor based on the correlation coefficient of the standard crosstalk channel and the data; s5, constructing crosstalk of each channel through the standard crosstalk channel and the crosstalk elimination factor, and eliminating the crosstalk of each channel from the original data of each channel to obtain new microseism monitoring data; and S6, repeatedly executing the steps S2-S5 on the new micro-seismic monitoring data until the standard crosstalk set cannot be constructed, and outputting the micro-seismic monitoring data after crosstalk elimination. According to the invention, the crosstalk of the microseism monitoring data can be automatically eliminated.

Semiconductor devices are described herein. The semiconductor device may include a semiconductor package including a plurality of circuits and a plurality of connectors configured to facilitate signal transmission between the semiconductor package and an apparatus when the semiconductor package is connected to the apparatus via the plurality of connectors. At least a first connector of the plurality of connectors may be embedded with a capacitor. A capacitor embedded in the first connector may be connected to a second connector of the plurality of connectors.

An improved apparatus and method for enhancing images is disclosed, and more specifically, an apparatus and method for enhancing images by crosstalk cancellation in multi-beam inspection is disclosed. A method for enhancing images includes obtaining a first image signal of a plurality of image signals from a detector of a multi-beam inspection system. The first image signal corresponds to detection signals from a first region of the detector on which electrons of a first secondary electron beam and electrons of a second secondary electron beam are incident. The method further includes reducing, from the first image signal, crosstalk contamination originating from the second secondary electron beam using a relationship between the first image signal and beam intensities associated with the first secondary electron beam and the second secondary electron beam. The method further includes generating, after the reducing, a first image corresponding to the first secondary electron beam.

Various embodiments disclose a computer-implemented method comprising determining a new position and orientation of a user; updating, based on the new position and orientation of the user, a dimensional map, wherein the dimensional map includes a set of points in a multi-dimensional space and each point is associated with a corresponding transfer function; identifying, based on the new position and orientation of the user, a point in the updated dimensional map nearest to the new position and orientation of the user; configuring, based on at least the transfer function associated with the point nearest to the new position and orientation of the user, at least one crosstalk cancellation filter; generating a plurality of audio signals for a plurality of loudspeakers based on the at least one crosstalk cancelation filter; and transmitting the plurality of audio signals to the plurality of loudspeakers for output.

A semiconductor structure including: a substrate including a plurality of conductive layers and a plurality of insulating layers stacked alternately with each other along a vertical direction of the substrate; a first conductive via structure extending from a top conductive layer of the conductive layers to a bottom conductive layer of the conductive layers and including a first capacitive structure, the first capacitive structure extending in a first conductive layer of the conductive layers; a second conductive via structure extending from the top conductive layer to the bottom conductive layer and including a second capacitive structure extending in the first conductive layer; and a third capacitive structure extending in the first conductive layer or a second conductive layer of the conductive layers, wherein the third capacitive structure forms a first mutual capacitance with the first capacitive structure and a second mutual capacitance with the second capacitive structure.

This invention discloses an image processing circuit for autonomous vehicles, belonging to the field of image processing technology. It solves the problems of unexpected refraction and scattering of light due to physical defects in optical microlenses and color filters, and charge coupling caused by parasitic capacitance in pixel units, leading to leakage of optical / electrical signals from a single pixel to adjacent pixels, resulting in color aliasing and blurred image edges. The circuit includes a main image sensor module, a reference image sensor module, and an analog signal preprocessing and multiplexing module. This invention coordinates the synchronous signal acquisition of the main and reference image sensors through a low-jitter clock distribution module. After integration by the analog signal preprocessing module, a dynamic crosstalk compensation module generates an inverse compensation signal based on the reference signal. A high-precision differential correlation dual sampling module then performs noise suppression and crosstalk elimination on the main signal. Finally, a programmable gain amplifier module outputs the purified differential signal.

The invention relates to crosstalk cancellation. Signal lines within an electronic system may be aligned in a spiral pattern. Further, two adjacent signal lines, in which at least one of the signal lines is aligned in a spiral pattern, may be arranged in a particular manner, in which signals on the two signal lines are transmitted in opposite directions. Some of the spiral patterns formed within the electronic system may be interwoven with each other.

The invention discloses an audio processing method, apparatus and device, and a computer readable storage medium. The method comprises the steps of obtaining loudspeaker data of a plurality of loudspeakers and first distance information between each loudspeaker and a listening position; determining audio equalization data based on the loudspeaker data; determining crosstalk cancellation data based on the first distance information and second distance information between the plurality of speakers; and processing the to-be-processed audio data based on the audio equalization data and the crosstalk elimination data to obtain target audio data. By adopting the method provided by the invention, the acoustic image range of the loudspeaker can be expanded, and the influence of acoustic defects in a playback environment on the playback effect can be reduced.

The invention provides a signal receiving circuit and a receiver, and relates to the technical field of communication, the signal receiving circuit comprises a first decision feedback equalizer and at least one second decision feedback equalizer, the first decision feedback equalizer comprises a first processing circuit, the first processing circuit comprises a first input end and at least one second input end, the first input end is connected with a first channel, each second input end is connected with the output end of the corresponding second decision feedback equalizer through a first filter circuit of the second decision feedback equalizer in one-to-one correspondence, and the second decision feedback equalizer is a decision feedback equalizer corresponding to a channel adjacent to the first channel; wherein the first filter circuit is used for extracting a crosstalk signal of a channel corresponding to the second decision feedback equalizer to the first channel, and the first processing circuit is used for eliminating a crosstalk signal of an adjacent channel to the first channel. The crosstalk elimination effect of the receiver can be improved.

This application discloses a sound field expansion method, audio device, and computer-readable storage medium, relating to the field of audio processing technology. The method includes: obtaining a target transfer function between a test audio device at the target location and the user's two ears, and obtaining personalized acoustic transmission data of the target user, wherein the personalized acoustic transmission data includes at least one head-related transfer function (HRTF) generated based on the target user's personal auditory physiological data; rendering the original audio based on the personalized acoustic transmission data to obtain personalized audio; performing crosstalk cancellation processing on the personalized audio according to the target transfer function to obtain target audio, and playing the target audio. This application effectively expands the sound field while reducing crosstalk and ensuring sound quality.

Techniques are described for wirelessly receiving, at first and second speaker assemblies, signals representing left and right audio channels from each of first and second sources, and using the signals, simultaneously playing, on both speaker assemblies, music, computer game audio, computer chat audio, and speech picked up by speaker microphones. Microphone signal beamforming, cross-talk removal, echo cancelation, and noise reduction may be performed using local and remote channels to isolate microphone signals.

Connectors to a set of differential transmit signal contacts for a plurality of channels of a communication link may generate signal crosstalk between adjacent channels. Similar signal crosstalk at the other end of the communication link may be caused by connectors to a set of differential receive signal contacts. The connector arrangement may provide opposite polarities for signal crosstalk contributions at opposite ends of the link, resulting in significant crosstalk reduction.

The application provides an image processing method for reducing crosstalk artifacts, wherein according to an interpolation calculation direction, interpolation calculation of a specific color channel is performed on each pixel in a pixel block of another color channel, then according to the interpolation calculation direction and the interpolation calculation result, it is judged whether a pixel block to be measured in the specific color channel plane exists crosstalk artifacts, crosstalk cancellation processing is performed on the pixel block with crosstalk artifacts, and a RAW domain image after crosstalk cancellation processing is output, so that the crosstalk artifacts in the RAW domain image output by the image sensor can be reduced at a lower cost, and the image quality is improved.

A computer-implemented method for generating crosstalk cancellation (CTC) filters for a reverberant acoustic environment having multiple audio zones, the method comprising determining, based on a CTC simulation model of an acoustic environment, a first set of frequency responses for respective positions proximate to one or more speakers located in the acoustic environment, and a second set of frequency responses for respective listening positions in the acoustic environment, generating, based on the first set of frequency responses and the second set of frequency responses, an acoustic environment transfer function matrix for the acoustic environment, and generating, based on the acoustic environment transfer function matrix, a set of CTC filters for a set of speakers in the acoustic environment.

Signal lines within an electronic system can be aligned in a spiral pattern. Additionally, two adjacent signal lines, with at least one of the signal lines aligned in a spiral pattern, can be arranged in a particular manner, in which signals on the two signal lines are transmitted in opposite directions. Some of the spiral patterns formed within the electronic system can be intertwined with one another.

Semiconductor devices are described herein. A semiconductor device can include a semiconductor package including a plurality of circuits and a plurality of connectors configured to facilitate signal transmission between the semiconductor package and a device when the semiconductor package is connected to the device via the plurality of connectors. At least a first connector among the plurality of connectors can be embedded with a capacitor. The capacitor embedded in the first connector can be connected to a second connector among the plurality of connectors.

Techniques are described for wirelessly receiving, at first and second speaker assemblies, signals representing left and right audio channels from each of first and second sources, and using the signals, simultaneously playing, on both speaker assemblies, music, computer game audio, computer chat audio, and speech picked up by speaker microphones. Microphone signal beamforming, cross-talk removal, echo cancelation, and noise reduction may be performed using local and remote channels to isolate microphone signals.

The application relates to a display driving circuit, a display panel and a crosstalk elimination method. The display driving circuit comprises a CF substrate common electrode and a source driving circuit. A feedback line of the CF substrate common electrode is connected with a target gamma voltage output end of the source driving circuit and grounded through a grounding capacitor. The target gamma voltage output end of the source driving circuit is used for following the voltage of the feedback line of the CF substrate common electrode, and a bright line is generated at a display line crosstalk through gamma voltage adjustment, so as to offset the line crosstalk. By connecting the feedback line of the CF substrate common electrode with the target gamma voltage output end of the source driving circuit, the gamma voltage of the target gamma voltage output end is reduced to generate a white line at the line crosstalk (i.e. a bright line is generated accurately at the connection), until the black line crosstalk at the line crosstalk is offset, so that the line crosstalk which cannot be eliminated in a traditional scheme is eliminated, and the purpose of high horizontal crosstalk elimination reliability is achieved.

According to an embodiment, a time-of-flight sensor system includes a light emitter, a detector array, and a histogram processing circuit. The histogram processing circuit processes time-of-flight measurement data using sequential bin-by-bin histogram processing. This approach enables efficient processing with minimal memory requirements, suitable for low-power applications. The circuit applies on-the-fly operations during processing, including crosstalk removal and peak detection. A correlator circuit within the system uses multiply-accumulate (MAC) circuits to calculate ambient light contribution, perform main correlation, and compute crosstalk contribution in a bin-serial manner. Additionally, a phase / bin computation circuit applies filter coefficients to preprocessed histogram data and detects positive zero crossings to calculate the median phase.

The application provides a TDICCD module, an electronic imaging assembly and a crosstalk elimination method between TDICCD modules. The TDICCD module comprises a marking module which adds stage marks to output pixel data; a crosstalk elimination module which acquires over-scan pixel data and effective pixel data of a current TDICCD module, determines over-scan pixel data with the same stage mark as first pixel groups, and determines effective pixel data with the same stage mark as second pixel groups; acquires average pixel gray values of the first pixel groups; matches the stage marks of the first pixel groups with the stage marks of the second pixel groups, and if the stages of any two stage marks in which interference modules are located are the same, it is determined that the matching is successful; determines the first pixel groups matched with the second pixel groups successfully as reference pixel groups, and subtracts the corresponding average pixel gray values from the effective pixel data in the second pixel groups to obtain final effective pixel data; and the TDICCD module can effectively eliminate the interference of interference modules on itself.

Crosstalk cancellation in multi-charged particle beam inspection is disclosed. An operation of reducing crosstalk contamination in a multi-beam inspection system includes: acquiring, by the multi-beam inspection system, a first image and a second image of a first region and a second region on a sample, respectively, the first image being generated based on a first detection signal from a first detection region of the multi-beam inspection system, the second image being generated based on a second detection signal from a second detection region of the multi-beam inspection system; the second image is generated based on a second detection signal from a second detection region of the multi-beam inspection system; determining a main pattern derived from the first image of the first secondary electron beam by using a first reference image corresponding to the first region; determining whether the first image includes a ghosting pattern derived from a second secondary electron beam by using a second reference image corresponding to the second region; determining a relationship between the first detection signal and beam intensities of the first secondary electron beam and the second secondary electron beam based on whether the first image includes a ghost pattern; and reducing crosstalk contamination of the third detection signal from the first detection region based on the determined relationship.

The invention belongs to the technical field of light amplification, and discloses a wide-spectrum intelligent self-adaptive gain flattening light amplification system, which adopts a dual-waveband independent amplification framework, configures a dual-pump Raman amplifier for an O / E waveband, adopts a dynamic doped EYDFA design for a C / L / U waveband, and can seamlessly cover a full-spectrum range of 1260-1675nm in combination with a cross-waveband gain complementation scheme; noise interference is effectively reduced through an inter-band crosstalk active offset technology and a nonlinear correction algorithm, and meanwhile, the short-band signal-to-noise ratio is improved based on a multi-stage closed-loop adjustment mechanism; large-bandwidth and high-stability optical signal amplification support is provided for 5G-A, computing power network, space-air-ground integrated communication and other scenes, and the strict requirement of wide spectrum application for signal quality is met; a multi-dimensional feature extraction module and a short and medium-term layered pre-judgment mechanism are integrated, the features such as a full-band power spectrum, the number of wavelengths and the link loss change rate can be collected in real time, and dynamic changes such as signal peak burst and wavelength increase and decrease can be sensed in advance.

A semiconductor device, a package, and a structure are described. The semiconductor structure may include a plurality of BGA pads, wherein a plurality of BGA balls are attached to a first surface of the plurality of BGA pads. The semiconductor structure may also include a dielectric layer deposited on a second surface of the plurality of BGA pads. The second surface may be opposite the first surface. The semiconductor structure may also include at least one floating structure deposited on the dielectric layer. The at least one floating structure and at least two BGA pads of the plurality of BGA pads may form at least two capacitors connected within the interposer.

The invention relates to the field of data transmission, in particular to a hard disk read-write channel crosstalk offset method and system and a solid state disk. The method comprises the following steps: monitoring signal jump edge characteristics of adjacent read-write channels of the solid state disk in real time, and obtaining dynamic characteristic parameters of a crosstalk source; and on the basis of a pre-trained interference mode library, predicting a corresponding crosstalk noise parameter according to the signal jump edge characteristics, and establishing association between the jump edge and crosstalk. According to the hard disk read-write channel crosstalk offset method and system and the solid state disk provided by the invention, the problem that the prior art cannot adapt to crosstalk dynamic changes in different data modes is effectively solved through dynamic monitoring, accurate prediction, reverse compensation and self-adaptive optimization architectures, the change of crosstalk noise in different data modes can be dynamically adapted, and the stability of the solid state disk is improved. The integrity of a data eye pattern of a receiving end is effectively kept, the bit error rate is reduced, the transmission stability of multichannel parallel read-write of the solid state disk is improved, and support is provided for reliable application of a high-frequency and high-bandwidth SSD.