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WO/2020/264064A1 |
A filterbank, suitable for modifying audio signals with dynamic gains in each band, is constructed so that the perceived latency is small, while a larger group delay is applied at low frequencies to enable higher frequency resolution in ...
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WO/2020/257212A1 |
Circuits and methods for correction of errors in multi-stage stepwise signal modification circuits. Embodiments of the invention also provide flexibility to correct accuracy errors over a range of conditions, such as differences in signa...
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WO/2020/242367A1 |
A method for solving a sequential decision-making problem is provided. The method includes gathering state-action pair data from an expert policy; applying imitation learning to yield a cloned policy based on the gathered state-action pa...
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WO/2020/234892A1 |
A Digital Hearing Aid (DHA) adapted for integration with an audiometer, comprising of a power supply, a low pass filter, a sampler configured for conversion of analog signal to digital signal, a sound manipulation unit, a microcontroller...
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WO/2020/223065A1 |
Multichannel, multirate lattice wave filters receive digital signal channels at a first sample rate and include a first multiplexer to combine the digital signal channels into a first digital data stream, and a first lattice wave filter ...
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WO/2020/204408A1 |
The present disclosure relates to an artificial intelligence (AI) system which simulates functions such as cognition, judgment, and the like of the human brain by utilizing machine learning algorithms such as deep learning and the like, ...
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WO/2020/145690A1 |
An electronic device and method related to measurement of an electromagnetic (EM) signal emitted from an external electronic device. The electronic device including a processor, a memory, and an EM sensor. The memory stores instructions,...
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WO/2020/143959A1 |
The invention relates to a method for reading data from sensors (200) comprising: determining a sequence of measured data over time by means of a sensor (200), wherein the sequence of measured data over time is generated by step-by-step ...
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WO/2020/132239A1 |
An instrument configured to process signal data is disclosed. The instrument is operable to control and or change the sampling rate of the signal data from a first sample rate to a second sample rate different than the first sample rate.
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WO/2020/121860A1 |
Provided is an acoustic signal processing technology such that after signal conversion appropriate for desired signal processing (for example, sound source enhancement processing) is performed, desired signal processing is performed on a...
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WO/2020/094506A1 |
Interpolator for interpolating, by a ratio n, the sampling frequency of a signal, called the input signal, the interpolator being characterised in that it comprises: - a first interpolation stage (101) comprising an over-sampler configur...
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WO/2020/078399A1 |
Disclosed by the present application are a filtering method and device for a filter, the filter and a storage medium, the method comprising: acquiring a clock input signal and a clock output signal, comparing the signals, and determining...
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WO/2020/074771A1 |
An apparatus, method and computer program is described comprising: receiving a near-field audio source signal from a near-field microphone (22); receiving a far-field audio signal from an array comprising one or more far-field microphone...
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WO/2020/068339A1 |
A communication system using adaptive sample rate reduction (ASRR) is disclosed. The system includes a digital front end (DFE) and a radio frequency (RF) interface. The DFE is configured to receive a baseband signal, identify reduced per...
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WO/2020/066612A1 |
An amplifier output SAO to an SR latch 22 from an amplifier 21C is used as a feedback signal FBD that is routed via a buffer 3. An adder 1C formed by combining an addition unit 21-5' and an xh block 21-7 is provided inside the amplifier ...
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WO/2020/064780A1 |
A filter (200) comprising cascaded building blocks (100), for filtering an incoming signal, each building block comprising a first and second delay element (110, 120), a first scaling device (130) between an input node of the first delay...
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WO/2020/055994A1 |
A digital signal conditioner (DSC) system in which a sample selector bank (56) receives a digital sample block (A_SMPL) of an input signal (IN_SMPL) that is provided at a supported input oversampling factor and selects a subset of sample...
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WO/2020/050023A1 |
The present invention converts wideband analog input signals into digital output signals on the basis of a band division method, without needing a filter circuit. An analog processing block Aj (j = an integer of 2–N) down-converts an a...
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WO/2020/047148A1 |
Systems and method for resampling are provided. A method of resampling includes receiving a first sampled signal that is sampled at a first sample rate, where the first sample rate is a submultiple of a system clock rate for a Farrow fil...
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WO/2019/246156A1 |
Digital step attenuator (DSA) and digital phase shifter (DPS) multi-stage circuit architectures that provide for high resolution. Embodiments use a dithering approach to weight bit positions to provide a much finer resolution than the lo...
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WO/2019/234484A1 |
A system and method for generating a waveform having a burst modulated ultrasound sweep carrier wave with encapsulated sonic artefacts is disclosed. The system includes a transducer; and a microcontroller operatively connected to the tra...
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WO/2019/228982A1 |
The invention pertains to a method for determining a displacement of at least one reference point (5) of an object (1) during an event, an event being defined by the fact that the acceleration of the reference point (5) of the object (1)...
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WO/2019/229774A1 |
Embodiments of the present disclosure are related to a receiver and a method for receiving signal. The method comprises estimating, by a receiver, channel for each of a plurality of antennas using the received signal stream, to produce a...
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WO/2019/219401A1 |
The invention relates to a method for producing a linear-phase digital FIR filter (4) from two sub-filters (6a, b) for an audio signal (AU, AF), in which method the sub-filters (6a, b) are provided as sub-sets (Ta, b) having numbers (Ma,...
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WO/2019/211187A1 |
A method of operating a hearing aid system comprising a hearing aid (300) wherein a digital filter (302) is adapted to be of minimum phase and to provide a frequency dependent target gain.
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WO/2019/211309A1 |
Prism signal processing is a new FIR filtering technique that can offer a fully recursive calculation and elegant filter design. Its low design and computational cost may be particularly suited to the autonomous signal processing require...
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WO/2019/197709A1 |
There are disclosed various methods, apparatuses and computer program products for audio encoding and reproduction. A method comprises determining, in a first device, parameters for at least two reverberator methods for reproducing a rev...
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WO/2019/181734A1 |
Provided is a filter control method comprising: accepting a plurality of parameters which define a frequency response of a filter element used to control a sound signal and which include a parameter defining a central inclined portion be...
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WO/2019/171244A1 |
A method for adjusting the frequency response of a digital filter, particularly for processing digital audio signals, comprising the steps of defining a desired curve of the frequency response of the filter, and calculating the digital f...
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WO/2019/170020A1 |
The present disclosure provides a method and device for updating a finite impulse response filter coefficient vector. The updating method comprises: acquiring a step-size diagonal matrix for the update of a FIR filter coefficient vector;...
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WO/2019/164057A1 |
A server for supporting the maintenance of military equipment comprises: a reception unit for receiving an image of military equipment from a wearable device worn on the body of maintenance personnel; an object recognition unit for recog...
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WO/2019/159979A1 |
An interpolation unit (6) generates up-data series into which interpolation data has been inserted by performing up-sampling on conversion data series outputted from an AD conversion unit (5). A distance calculation unit (7) calculates t...
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WO/2019/153072A1 |
An interference mitigation apparatus, comprising: an adaptive feedforward filtering stage and an adaptive feedback filtering stage configured to produce a plurality of output signals from a plurality of frequency downconverted signals, t...
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WO/2019/156644A1 |
The invention relates to a method that enables to conduct DDC and downsampling processes on hardware components such as FPGA etc. by consuming less DSP resources.
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WO/2019/152101A1 |
Sample rate converter and related methods are provided. A method may include (1) obtaining a pitch value based at least on a relationship between an input sampling rate of input samples of a first audio signal to an output sampling rate ...
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WO/2019/129838A1 |
The material invention shows a filter that is capable of filtering a noisy, periodic measurement signal having oscillations at a variable fundamental frequency and harmonic oscillation components of the fundamental frequency by virtue of...
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WO/2019/132720A1 |
The invention relates to computing and measuring technology and concerns an adaptive digital filtering method and an adaptive digital filter for processing a measuring signal, which can be used for filtering signals in computers and micr...
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WO/2019/127918A1 |
Provided in an embodiment of the present invention are a digital filter and a data processing method, which are used for solving the technical problem in the existing technology wherein the complexity of a digital filter processing digit...
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WO/2019/123682A1 |
An apparatus for controlling a system includes a memory to store a model of the system including a motion model of the system subject to process noise and a measurement model of the system subject to measurement noise, such that one or c...
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WO/2019/119028A1 |
The invention provides a method and apparatus for filtering a temporal signal. A target magnitude frequency response H T (f) is specified (101,201) of frequency f in terms of a column vector l of K weights l k where log H T (f) = l T W(f...
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WO/2019/102785A1 |
The present invention realizes a digital noise filter with which it is possible to reduce jitter. A digital noise filter (11) for removing noise from an input signal, the input signal being an Off signal or an On signal, wherein the digi...
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WO/2019/093165A1 |
An extremum calculation unit (11) detects a maximum sample and a minimum sample in a digital audio signal. A sample number detection unit (12) detects a sample interval between the maximum sample and the minimum sample. A difference calc...
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WO/2019/093580A1 |
The present invention relates to a phase shifter for generating a difference in phase between a first transmission path and a second transmission path, the phase shifter comprising: a phase delay circuit unit which forms the first transm...
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WO/2019/092220A1 |
There are discussed methods and systems for filtering an information input signal (11, 11a, x), divided into different update intervals, according to parameters varying with the update intervals, to obtain a filtered output signal (y, 15...
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WO/2019/089845A1 |
Systems and methods for low latency adaptive noise cancellation include an audio sensor to sense environmental noise and generate a noise signal, an audio processing path to receive an audio signal, process the audio signal through an in...
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WO/2019/062406A1 |
A method and an apparatus for signal processing: implementing step-by-step orthogonal decomposition of an original signal to be inputted; on the basis of the number of layers of orthogonal decomposition and the edge high frequency bandwi...
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WO/2019/051841A1 |
Provided are a method for determining a filter coefficient and device therefor, and a terminal. The method for determining a filter coefficient comprises: determining an estimated output of the filter according to an input signal of the ...
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WO/2019/047134A1 |
A high-degree biological simulation-based voice processing filter, said filter being a nine-stage filter formed by cascading a band pass filter unit (10), a low-pass filter unit (20) and an elliptic low-pass filter unit (30) in sequence,...
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WO/2018/234619A3 |
A method, computer-readable medium and apparatus are disclosed for:receiving, via a first track, a near-field audio signal from a near-field microphone;receiving, via a second track, a far-field audio signal from an array comprising one ...
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WO/2019/020623A1 |
A device (1) and a method for detecting battery cell states (BZZ) and/or battery cell parameters (BZP), at least one battery cell (BZ) having a dual Kalman filter (2) that has a state estimator (2A) for estimating battery cell states (BZ...
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