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Signal Processing patents

      

This page is updated frequently with new Signal Processing-related patent applications.




 Audio signal processing method and audio signal processing apparatus patent thumbnailnew patent Audio signal processing method and audio signal processing apparatus
An audio signal processing method and an audio signal processing apparatus for synchronizing audio based on synchronization error between audio signals.. .
Samsung Electronics Co., Ltd.


 Audio signal processing method and apparatus patent thumbnailnew patent Audio signal processing method and apparatus
To this end, provided are a method for processing an audio signal, which includes: receiving an input audio signal including a multi-channel signal; receiving truncated subband filter coefficients for filtering the input audio signal, the truncated subband filter coefficients being at least some of subband filter coefficients obtained from binaural room impulse response (brir) filter coefficients for binaural filtering of the input audio signal and the length of the truncated subband filter coefficients being determined based on filter order information obtained by at least partially using reverberation time information extracted from the corresponding subband filter coefficients; obtaining vector information indicating the brir filter coefficients corresponding to each channel of the input audio signal; and filtering each subband signal of the multi-channel signal by using the truncated subband filter coefficients corresponding to the relevant channel and subband based on the vector information and an apparatus for processing an audio signal by using the same.. .

 Method and  processing video signal patent thumbnailnew patent Method and processing video signal
The present invention relates to a method and apparatus for processing a video signal, which can increase the accuracy of the motion vector prediction through motion vector scaling which takes a difference in the temporal distance between reference pictures into consideration. To this end, the present invention provides a video signal processing method and a video signal processing apparatus using the same, and the method comprises the steps of: scaling at least one neighboring partition motion vector for a motion vector prediction of the current partition; scaling the neighboring partition motion vector, which has been selected, when the reference picture of the neighboring partition motion vector is different from the reference picture of the current partition; acquiring a motion vector prediction value of the current partition using the scaled motion vector; and acquiring a motion vector of the current partition using the motion vector prediction value..
Lg Electronics Inc.


 Image capturing apparatus and image capturing method patent thumbnailnew patent Image capturing apparatus and image capturing method
In a high speed image capturing state, a camera signal processing circuit is not needed to perform a signal process at a high screen rate, but at a regular screen rate. In the high speed image capturing mode, raw data of 240 fps received from an image sensor 101 are recorded on a recording device 111 through a conversion processing section 201 and a recording device controlling circuit 210.
Sony Corporation


 Radio signal processing apparatus and method, and terminal patent thumbnailnew patent Radio signal processing apparatus and method, and terminal
The present invention belongs to the communications field, and discloses a radio signal processing apparatus and method, and a terminal. This not only can avoid wasting resources, but also can fully use a received radio signal, thereby improving usage of using a received radio signal..
Huawei Technologies Co., Ltd.


 Multi-mixer system and associated receiver and signal processing method patent thumbnailnew patent Multi-mixer system and associated receiver and signal processing method
A multi-mixer system comprising a plurality of mixers and a filter module is provided. Each of the mixers is selectively enabled to mix an input signal with a corresponding oscillation signal to generate an output signal at an output node; and the filter module provides different frequency responses for the output signals from at least two of the output nodes of the mixers, wherein the at least two of the output nodes of the mixers are connected to different internal nodes of the filter module..
Mediatek Inc.


 Noise signal processing method, noise signal generation method, encoder, decoder, and encoding and decoding system patent thumbnailnew patent Noise signal processing method, noise signal generation method, encoder, decoder, and encoding and decoding system
Present disclosure provide a linear prediction-based noise signal processing method includes: acquiring a noise signal, and obtaining a linear prediction coefficient according to the noise signal; filtering the noise signal according to the linear prediction coefficient, to obtain a linear prediction residual signal; obtaining a spectral envelope of the linear prediction residual signal according to the linear prediction residual signal; and encoding the spectral envelope of the linear prediction residual signal. According to the noise processing method, the noise generation method, the encoder, the decoder, and the encoding and decoding system that are in the embodiments of the present disclosure, more spectral details of an original background noise signal can be recovered, so that comfort noise can be closer to original background noise in terms of subjective auditory perception of a user, and subjective perception quality of the user is improved..
Huawei Technologies Co.,ltd.


 Electronic system denoising device, wearable display device and electronic device patent thumbnailnew patent Electronic system denoising device, wearable display device and electronic device
An electronic system denoising device, includes: a power source, a first signal processing unit, a second signal processing unit and an isolating transformer. The power source is coupled to the first signal processing unit, and to the second signal processing unit via the isolating transformer, and supplies power to the first signal processing unit and the second signal processing unit.
Shenzhen Royole Technologies Co., Ltd.


 Neutron measurement apparatus, neutron calculation apparatus, and neutron measurement method patent thumbnailnew patent Neutron measurement apparatus, neutron calculation apparatus, and neutron measurement method
According to an embodiment, a neutron measurement apparatus has: a neutron detector; a gamma ray detector; a neutron detector signal processing unit which performs fourier transform on the signals received for a prescribed period, generates neutron detector signal frequency data in a frequency domain, calculates the neutron-detection signal power spectrum and stores it; a gamma-ray detector signal processing unit which performs fourier transform on the signals received for a prescribed period, generates gamma ray detector signal frequency data in a frequency domain, calculates gamma ray detector signal power spectrum and stores it; and a neutron calculation unit which generates a neutron signal by removing a part contributed by the gamma ray detector signal power spectrum from the neutron detector signal power spectrum.. .
Kabushiki Kaisha Toshiba


 Radar device patent thumbnailnew patent Radar device
A radar device includes: an aperture surface including element antennas and phase shifters; an antenna phase control unit for calculating phase amounts based on a beam orientation direction and a rotation angle of the aperture surface; an antenna driving control unit for setting a rotation angle to a rotation mechanism; a signal processing unit for detecting a target with the use of the radar receiver, setting at least one of the rotation angle of the aperture surface or the beam orientation direction in the antenna driving control unit and the antenna phase control unit, and calculating the level of competing cluttering with the use of an antenna pattern, to thereby determine propriety of the rotation angle; and a pattern calculating unit for calculating the antenna pattern from the rotation angle of the aperture surface and from the beam orientation direction.. .
Mitsubishi Electric Corporation


new patent

Two-wire hall-effect sensor

An improved two-wire hall-effect speed sensor circuit includes two separate voltage regulation circuits. The voltage regulator circuits, hall plates, signal processing circuits, and output stage are implemented on an application specific integrated circuit (asic).
Ford Global Technologies, Llc

new patent

Train information managing apparatus

A train information managing apparatus according to the present invention includes: a terminal apparatus that communicates with a train-mounted device; and a central apparatus that communicates with the terminal apparatus and the train-mounted device. In at least one of the terminal apparatus and the central apparatus, a processing system that includes a signal processing unit is duplicated, the signal processing unit generating a command signal for the train-mounted device and receiving a response signal made in response to the command signal, and at least one of the signal processing units that receive a response signal from the train-mounted device transmits, to another of the signal processing units, information indicating receipt of the response signal so as to be used to determine a failure in one of the processing systems..
Mitsubishi Electric Corporation

new patent

Signal processing apparatus and method

A method and an apparatus to analyze two measured signals that are modeled as containing desired and undesired portions such as noise, fm and am modulation. Coefficients relate the two signals according to a model defined in accordance with the present invention.
Masimo Corporation

Method for signal processing for a hearing device, hearing device, hearing device system, and interference source transmitter for a hearing device system

In a method for signal processing in a hearing device, an acoustic noise signal is received by a microphone of the hearing device and processed by a signal processing unit of the hearing device for output to a hearing device user. An electromagnetic information signal is received by a receiving unit of the hearing device.
Sivantos Pte. Ltd.

Method for operating a hearing device system, hearing device system, hearing device and database system

A method operates a hearing device system that contains a hearing device and a database system, which is separate from the hearing device and is set up for communication with the hearing device. The method includes ascertaining a piece of location information for a current position of the hearing device and the location information is transmitted to the database.
Sivantos Pte. Ltd.

Multifunctional earphone system for sports activities

A multifunctional earphone system for sports activities is described which comprises the following: a first apparatus configured to be carried in one of a user's ears, the first apparatus comprising a first data communication unit and a first loudspeaker, and a second apparatus configured to be carried in the user's other ear, the second apparatus comprising a second data communication unit and a second loudspeaker, wherein at least one of the first apparatus and the second apparatus comprises a sensor unit and a data processing unit, wherein the data processing unit is configured to generate performance data based on measurement data acquired by the sensor unit, wherein the first apparatus further comprises a signal processing unit configured to generate a binaural audio signal based on the performance data, the binaural audio signal comprising a first signal part to be output by the first loudspeaker and a second signal part to be output by the second loudspeaker, and wherein the first data communication unit is configured to communicate the second signal part of the binaural audio signal to the second data communication unit. Furthermore, a method is described..
Bragi Gmbh

Voice signal extraction and input smart device

A voice signal processing device connected to a smart device is provided. The voice signal processing device is connected to a smart phone, a tablet computer or the like and includes a voice signal input and output function mounted thereon.
Rsupport Co., Ltd.

Arrayable loudspeaker with constant wide beamwidth

An arrayable loudspeaker (11) has at least one high frequency driver (39) mounted to a horn (37) and at least one pair of low frequency drivers (41) configured behind and in a closely spaced relationship to the horn to form low frequency side chambers (71) between the drivers and the horn from which acoustic energy produced by the low frequency drivers can propagate. Low frequency exit channels (77) above and below the horn are coupled to the low frequency side chambers (71).
Meyer Sound Laboratories, Incorporated

Transmission signal processing apparatus, transmission signal processing method, and received signal processing apparatus

According to one embodiment, an encoding apparatus encodes each of items of image data captured in the same space by a plurality of cameras. A streaming apparatus changes items of encoded image data into streams, respectively.

Apparatus and processing voice signal and terminal

A voice signal processing apparatus includes: an input unit which receives a voice signal of a user; a detecting unit which detects an auxiliary signal, and a signal processing unit which transmits the voice signal to an external terminal in a first operation mode and transmits the voice signal and the auxiliary signal to the external terminal using the same or different protocols in a second operation mode.. .
Electronics And Telecommunications Research Institute

Transmitting apparatus, receiving apparatus, and signal processing method thereof

A transmitting apparatus, a receiving apparatus and methods of controlling these apparatuses are provided. The transmitting apparatus includes: a baseband packet generator configured to, based on an input stream including a first type stream and a second type stream, generate a baseband packet including a header and payload data corresponding to the first type stream; a frame generator configured to generate a frame including the baseband packet; a signal processor configured to perform signal-processing on the generated frame; and a transmitter configured to transmit the signal-processed frame, wherein the header includes a type of the payload data in the baseband packet and the number of the first type stream packets in the baseband packet..
Samsung Electronics Co., Ltd.

Method for processing received signal of mimo receiver

Disclosed herein is a received signal processing method including selecting a reference resource element (re) from a resource block (rb) including a plurality of res, generating a common filter to be shared among some or all of the plurality of res of the rb based on channel information of the reference re, selecting a first border re, at which the number of repetitions of a compensation process of a primary signal generated using the common filter exceeds a threshold while progressing starting from the reference re along any one of a time or frequency axis direction, and a second border re, at which the number of repetition of the compensation process of the primary signal generated using the common filter exceeds the threshold while progressing starting from the first border re along the other of the time or frequency axis direction, from the rb and forming an re group sharing the common filter based on the first border re and the second border re.. .
Lg Electronics Inc.

Compressive sensing-based signal processing method and apparatus

The present invention relates to a compressive sensing-based signal processing method and apparatus. The method includes: determining distribution, of signal components of an input signal on which frequency mixing has been performed, in a baseband spectrum according to spectral distribution of the input signal; dividing the baseband spectrum according to different signal aliasing patterns formed by the distribution of the signal components, to form multiple frequency bands; determining lowest sampling frequency of the input signal according to the signal aliasing patterns in the frequency bands, and performing sampling on the input signal at sampling frequency greater than the lowest sampling frequency, to obtain a sampled signal; and separately restoring a corresponding signal component in each frequency band of the multiple frequency bands according to the sampled signal, and splicing the signal components restored in the frequency bands, to complete restoration of the input signal..
Huawei Technologies Co., Ltd.

Adaptive slew rate control for switching power devices

An adaptive driver includes a gate driver having at least one driving transistor for driving a control node of switching transistor(s) that includes an output node (out) which provides vout. An adjustable current source is in series with the driving transistor, a high pass filter (hpf) is between out and ground for detecting a slew rate of the switching transistor and outputting a voltage pulse (vslp) output having a peak voltage amplitude at least monotonically reflecting a slope of vout during switching.
Texas Instruments Incorporated

Method and signal filtering and for improving properties of electronic devices

The present invention relates to nonlinear signal processing, and, in particular, to adaptive nonlinear filtering of real-, complex-, and vector-valued signals utilizing analog nonlinear differential limiters (ndls), and to adaptive real-time signal conditioning, processing, analysis, quantification, comparison, and control. More generally, this invention relates to methods, processes and apparatus for real-time measuring and analysis of variables, and to generic measurement systems and processes.
Avatekh, Inc.

Apparatus and surround audio signal processing

An apparatus for decoding surround audio signal, includes a bitstream de-multiplexer for unpacking a bitstream into spatial parameters and core parameters, a set of core decoder for decoding the core parameters into a set of core signal, a matrix derivation unit for deriving the rendering matrix from the spatial parameters and playback speaker layout information, a renderer for rendering of the decoded core signal to playback signals using the rendering matrix.. .
Panasonic Corporation

Signal processing method and apparatus

The present disclosure provide a signal processing method and apparatus. The method includes: determining a total quantity of to-be-allocated bits corresponding to a current frame; implementing primary bit allocation on to-be-processed sub-bands; performing a primary information unit quantity determining operation for each sub-band that has undergone the primary bit allocation; selecting sub-bands for secondary bit allocation from the to-be-processed sub-bands according to at least one of a sub-band characteristic of each sub-band of the to-be-processed sub-bands or the total quantity of surplus bits; implementing secondary bit allocation on the sub-bands for secondary bit allocation; and performing a secondary information unit quantity determining operation for each sub-band of the sub-bands for secondary bit allocation..
Huawei Technologies Co.,ltd.

Container tamper-proof protection by use of printed fiber optics manufacturing and integrated sensors

The disclosed embodiments provide a method for tamper-proof protection of containers used for shipment of goods. An optical fiber is embedded in an optical shield wallpaper which lines all interior surfaces of any size of a shipping container, package, box, barrel or other shaped container.
Opticallock, Inc.

Detection enhanced 3d detection module

A detection method for enhanced 3d detection module includes a plurality of touch units configured to sense positions of touch points, a plurality of pressure-sensitive units configured to sense pressing forces and a signal processing circuit, the detection method including: providing a touch scanning pulse to the plurality of touch units and providing a pressure scanning pulse to at least two of the pressure-sensitive units; generating touch signals by the plurality of touch units in response to the touch scanning pulse sensing the positions of the touch points and generating a superimposed pressure signal by the at least two of the pressure-sensitive units in response to the pressure scanning pulse sensing the pressing forces; and determining a position and a pressing force value of at least one touch point by the signal processing circuit according to the superimposed pressure signal and the touch signals.. .
Tpk Touch Solutions (xiamen) Inc.

Optical signal processing apparatus using planar lightwave circuit with waveguide-array structure

An optical signal processing apparatus using a planar lightwave circuit (plc) with a waveguide-array structure includes a plc board including a waveguide-array structure, a cylinder lens for collimating optical signals emitted and output from the plc board into parallel beams, a condenser lens for condensing, for each channel, optical signals output by passing through the cylinder lens, and a light receiving element for receiving optical signals condensed on at least one channel from the condenser lens and converting the optical signals into electrical signals, wherein the plc board divides an optical signal input thereto into a plurality of different optical signals and outputs the optical signals at different propagation angles.. .
Electronics And Telecommunications Research Institute

Signal processing for a cable locating instrument

In accordance with some embodiments, a method and apparatus for providing both a low-pass filter value and a high-pass filter value is presented. The combined filter receives an input value into a half-band finite impulse response (fir) filter with an odd number of taps labeled 0 through n with corresponding filter coefficients labeled 0 through n where odd numbered filter coefficients are zero, the fir filter providing a filter value.
Metrotech Corporation

Estimating weather and ground reflectivity with doppler spectral information

Systems, methods, and devices for processing a radar return signal to estimate reflectivity values. An example weather radar system includes one or more antennas configured to transmit a radar signal generated by a transmitter and deliver a radar return signal to a receiver.
Honeywell International Inc.

Non-contact capacitive sensing system for robotic lower-limb prosthesis

A non-contact capacitive sensing system for robotic lower-limb prosthesis, comprising a sensing front end, a signal sampling unit and a signal processing unit. The sensing front end is composed of capacitance electrodes inside the prosthetic socket, and the capacitance electrodes locate between the prosthetic socket and the stump sock.
Peking University

Impedance sensing

This disclosure provides systems, methods and apparatus for performing signal processing in impedance sensing applications, and more specifically, for recovering data from an amplitude-modulated signal. In one aspect, a device includes a sensing circuit operable to sense an amplitude-modulated signal having a carrier frequency.
Qualcomm Incorporated

Method of ekg signal processing and performing the method

A method of measuring and analyzing the ultra high frequency ekg is performed by measuring the ekg within the frequency range above 250 hz with a dynamic range of at least 100 db. In the uhf ekg signal positions of rm of r wave in qrs complex of ekg are detected on the time axis and the ekg signal is converted to amplitude or power envelopes, the amplitude or power envelopes frequency range is anywhere within the limits from 0.2 hz to at least 500 hz.
M & I, Spol. S.r.o.

Apparatus and processing image signal, imaging apparatus, and displaying image

An image signal processing apparatus includes a down-converter unit configured to down-convert an image signal having a first resolution into an image signal having a second resolution lower than the first resolution, a high-frequency-band-edge detection unit configured to perform filtering on the image signal having the first resolution to extract components in a higher frequency band than a frequency corresponding to the second resolution and to perform down-conversion on an edge detection signal obtained through the filtering to obtain an edge detection signal having the second resolution, and a combination unit configured to combine the edge detection signal obtained by the high-frequency-band-edge detection unit with the image signal having the second resolution generated by the down-converter unit so as to obtain an image signal having the second resolution and being to be displayed.. .
Sony Corporation

Imaging apparatus

An imaging apparatus includes an image stabilizing unit, a position signal processing unit, and a position signal processing control unit. The image stabilizing unit includes a movable portion, a motor, and a position detector.
Olympus Corporation

Signal processing method and apparatus

The present invention discloses a signal processing method and apparatus, and pertains to the field of communications technologies. The apparatus includes: a processor and a memory.
Huawei Technologies Co., Ltd.

Method for reducing papr of ofdm signal and ofdm transmitter using the same background

A method for reducing a papr of an ofdm signal and an ofdm transmitter using the same are disclosed. In an ofdm transmitter, a signal processing circuit for reducing a papr of a modulated signal includes: a peak detector configured to detect peaks having sizes above a threshold value from an iq baseband signal of the modulated signal and to output information on a position, a size and a phase; a memory configured to store a reference peak in time domain; a peak generator configured to generate an inverse peak signal for canceling a part of an amplitude of the iq baseband signal from the reference peak based on the information on the position, the size and the phase; and a signal processing unit configured to add the inverse peak signal to the iq baseband signal to constrain the amplitude of the iq baseband signal..
Fci Inc

Methods and systems for periodic optical filtering to identify tone modulated optical signals

Methods and systems for periodic optical filtering to identify tone modulated optical signals may enable relatively rapid scanning of an optical signal to identify individual optical channels. The optical signal having tone modulated optical channels may be scanned over a free spectral range of a periodic optical filter, such as a comb filter, to generate a filtered signal.
Fujitsu Limited

Method and system for partitioning signal processing chains in a communication network

A method and system for dynamically partitioning a signal processing chain of plural signal processing functions, between an edge signal processor associated with an edge node, and a common signal processor associated with a base node is provided. The partition point may be determined in accordance with at least a first parameter that is indicative of a current state of an input signal transmitted to the edge node or common equipment node, current operational or configuration state of the communication network or portion thereof, or other parameter that can impact signal transmission and/or processing.
Huawei Technologies Co., Ltd.

Integrated control for silicon photonics

In an example, the present invention includes an integrated system on chip device. The device is configured on a single silicon substrate member.
Inphi Corporation

Optical channel monitor with integral optical switch

A multiport optical switch (such as an n×1 switch) is used to controllably select a specific incoming optical signal that is to be processed by an associated optical channel monitor (ocm). The ocm includes a tunable optical filter and photodetector arrangement, and is configured to measure the optical spectrum of the incoming optical signal and extract information associated with the various optical channels (wavelengths) forming the incoming optical signal (i.e., power, wavelength, osnr and the like for each channel).
Ii-vi Incorporated

Apparatus

Provided is an apparatus for acquiring object information, the apparatus including: first and second laser output unit outputting first and second pulsed laser; a laser controlling unit configured to control each laser output unit; a first or second detecting unit configured to detect an emission timing of laser and output a first or second detection signal; a probe configured to receive an acoustic wave from an object being irradiated with the laser; and a signal processing unit configured to acquire specific information of the object, based on the acoustic wave. The laser controlling unit controls output of at least one of the laser output units so as to decrease a time difference between subsequent first and second pulsed lasers to be output..
Canon Kabushiki Kaisha

Active noise reduction device

A method of manufacturing an active noise reduction (anr) device includes providing at a stage during manufacture a pre-completion anr device in a non-final configuration, the pre-completion anr device including a plurality of inputs, a plurality of signal processing resources, an output for driving an earphone driver, and a programmable switch arrangement capable of assigning any of the plurality of inputs to any of the plurality of signal processing resources, selecting from the plurality of signal processing resources a subset of signal processing resources to contribute to the output, whereby the remaining signal processing resources of the plurality do not contribute to the output in any mode of operation of the anr device, and in a configuration step during manufacture, programming the programmable switch arrangement to assign each of at least a subset of the plurality of inputs to a different one of the selected subset of signal processing resources.. .
Soundchip Sa

Active capacitive pen, and touch detection and feedback driving methods therefor

An active capacitive stylus and methods for touch detection and feedback actuation thereof are disclosed. The active capacitive stylus includes a conductive tip, a signal processing module and a capacitor.
Shanghai Yishang Information Technology Co., Ltd.

Navigation signal processing device, navigation signal processing method, and navigation signal processing program

A technique for preventing decrease in positioning precision due to reflected waves from a navigation satellite that is blocked by an obstacle in a positioning technique using a gnss is provided. A navigation signal processing device includes a data obtaining unit 121, an elevation angle mask setting unit 125, and a point cloud position data obtaining unit 123.
Topcon Corporation





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