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WO/2018/129096A1 |
Systems and methods according to one or more embodiments are provided for a hum reduction circuit implemented to provide a ground path between an audio generating device and a powered headset. In one example, a system includes a jack con...
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WO/2018/118737A1 |
A current sensing circuit (100) for use with a Rogowski coil (2) arranged around a conductor having a primary current includes input terminals (102,104) structured to receive an output voltage of the Rogowski coil, an analog to digital c...
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WO/2018/109027A1 |
The invention relates to a method for filtering a dynamically deviating measurement signal (22). The measurement signal (22) is first detected within a defined time period by means of a sensor unit (20) and said measurement signal (22) i...
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WO/2018/103932A1 |
The invention relates to a method for adapting an electronic filter unit (40). At the beginning, a plurality of first input values (31) is captured within a first time period. Subsequently, filtered output values (36) are produced by fil...
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WO/2018/105614A1 |
The purpose of the present invention is to reduce leakage of an output signal in the time axis direction and between band-pass filters. A signal input unit 1 vectorizes an input signal x(n). An extended impulse response matrix generation...
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WO/2018/087914A1 |
The present invention is configured so as to comprise: a high-pass filter (2) that eliminates an offset included in an AC signal Vin input from a signal input terminal (1); and a waveform restoration unit (3) that, using a time constant ...
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WO/2018/052852A1 |
Devices and methods for filtering data include calculating intermediate input values from input elements using a transformation function. The transformation function is based at least in part on a size of the filter and a number of filte...
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WO/2018/031195A1 |
A reconfigurable filter circuit has a first path including a transimpedance amplifier (TIA). The transimpedance amplifier has an input that receives an input current and an output that outputs a voltage. The reconfigurable filter circuit...
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WO/2018/026372A1 |
Frequency band selection for tuning an antenna are disclosed. In one example, one of a Received Signal Strength Indicator (RSSI) value and an echo value of a plurality of frequency bands is obtained. Based on one of the RSSI values or th...
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WO/2018/015412A1 |
A digital filter has an assigned filter function with assigned filter coefficients (bk), an input receiving input samples (xk), another input receiving confidence values (ck), and an output (out). Each input sample value (xk) is associat...
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WO/2018/009476A1 |
A system and method for mitigating interference of a radio frequency (RF) signal includes a receiver configured to include: a decomposition module that decomposes a received RF signal into sub-bands via a multi-stage filter, each sub-ban...
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WO/2017/217900A1 |
A radio communication receiver and a method performed by the radio communication receiver for configuring a Notch filter of the radio communication receiver are disclosed. The method (100) comprises retrieving (120) stored and previously...
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WO/2017/211826A1 |
A signal filtering device (10) is provided for filtering a series of values. The signal filtering device includes a first signal transmission branch (110) with a signal filter (115), wherein the signal filter is configured to filter the ...
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WO/2017/207655A1 |
A method of converting a stream of samples at a first sampling rate to a stream of samples at a second sampling rate is disclosed, comprising: measuring the first sampling rate; determining a first upsampling factor from a basis comprisi...
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WO/2017/197797A1 |
A digital filter, comprising: a time-delay unit (10), a first control unit (20), a second control unit (30), an output control unit (40), and a clock logic unit (50). The time-delay unit (10) delays a clock signal input to the digital fi...
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WO/2017/189271A1 |
Embodiments of the present disclosure provide mechanisms that enable designing an FIR filter that would have a guaranteed globally optimal magnitude response in terms of the minimax optimality criterion given a desired weight on the erro...
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WO/2017/183405A1 |
An acoustic processing device (1) comprises: a first filter coefficient calculation unit (31) that calculates a first filter coefficient while associating the first filter coefficient with a first gain inputted and set in each band by a ...
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WO/2017/179539A1 |
The speaker drive device according to one embodiment of the present invention comprises: a setting unit that sets, as a first parameter, at least one parameter that defines an equivalent circuit for a first speaker unit; a first computat...
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WO/2017/179538A1 |
The speaker drive device according to one embodiment of the present invention comprises: a setting unit that sets, as a first parameter, at least one parameter that defines an equivalent circuit for a first speaker unit; a first computat...
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WO/2017/180171A1 |
The behavior of a NOS DAC and an analog filter may be emulated by electronic components of an integrated circuit (IC) by upsampling data and applying a digital filter to the upsampled data. For example, the IC may include a zero-order-ho...
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WO/2017/180172A1 |
Droop caused by a filter may be compensated by applying a pre-filter to the audio signal that cancels out, at least in part, the droop caused by the filter. The pre-filter may implement magnitude compensation that causes an approximately...
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WO/2017/173461A1 |
A method for signal transmission using precoded symbol information involves estimating a two-dimensional model of a communication channel in a delay-Doppler domain. A perturbation vector is determined in a delay-time domain wherein the d...
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WO/2017/154350A1 |
A parallel transfer rate converter (4) synchronizes first parallel data, the sample number of which is S1 samples, with a first clock, inputs the same, synchronizes second parallel data, the sample number of which is S2, which equals S1Ã...
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WO/2017/154351A1 |
A FIR filter (7) convolves sampling data, which is obtained by sampling a received signal, with a tap coefficient. A phase difference detection unit (8) detects the phase difference between the synchronization timing of a signal waveform...
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WO/2017/151220A1 |
A reconfigurable discrete time analog signal processor includes a finite impulse response (FIR) filter configured to receive a portion of an RF transmit signal, to receive FIR coefficients, and to generate a leakage cancellation signal b...
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WO/2017/132856A1 |
A filter circuit (100, 200, 310, 420), a radio-frequency (RF) anti-interference circuit and an RF signal generating circuit are provided. The filter circuit (100, 200, 310, 420) includes at least one filter module (1, 2, 110, 120, 130, 1...
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WO/2017/134097A1 |
A variable output data rate converter circuit preferably meets performance requirements while keeping the circuit complexity low. In some embodiments, the converter circuit may include an oversampling sigma delta modulator circuit to qua...
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WO/2017/135012A1 |
An active vibration and noise control device robust against outside disturbances, and an active vibration and noise control circuit are provided. An adaptive control circuit (50) of this active vibration and noise control device (24) has...
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WO/2017/124007A1 |
Example embodiments disclosed herein relate to audio signal processing with low latency. A method of processing an audio signal is disclosed. The method includes obtaining frequency parameters of a current frame of the audio signal. The ...
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WO/2017/122419A1 |
A signal output device (5, 105, 205, 305, 405, 505) is provided in a communication appliance (2) which communicates with another communication appliance (3) using a single wire (4). A signal output unit (6, 106, 206, 306, 406, 506) outpu...
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WO/2017/105497A1 |
An improved sliding discrete Fourier transform (SDFT) algorithm called CIC-SDFT and its apparatus are provided. An input signal is multiplied by a modulated twiddle factor, and is then processed by a modified cascade integrator-comb (CIC...
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WO/2017/100298A1 |
Various examples are provided related to speech recognition. In one example, a method includes converting an auditory signal into a pulse train, segmenting the pulse train into a series of frames having a predefined duration, and identif...
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WO/2017/094824A1 |
The present invention addresses the problem of increasing the likelihood of making it possible to reduce the consumption of power necessary for filter processing and the amount of heat generated during filter processing. In order to over...
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WO/2017/088541A1 |
Disclosed in embodiments of the present invention are a polyphase interpolation filter and a filtering method. The polyphase interpolation filter comprises: a coefficient conversion unit, configured to convert, according to a preset conv...
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WO/2017/086839A1 |
The technical result of the invention is a reduction in computational resources in the realization of frequency-selective circuits which make use of different types of filters, or bandpass filters in computing equipment. For the realizat...
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WO/2017/075868A1 |
A FIR filter bank and a filtering method, the FIR filter bank comprising a control circuit (102) and a data processing circuit (101) coupled to each other; the data processing circuit (101) comprising an array of data flow buses (1011), ...
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WO/2017/073357A1 |
A sigma-delta analog-to-digital converter comprises a sigma-delta modulator; and an ADC filter that receives a segment of L binary samples from the sigma-delta modulator, L being a positive integer. The ADC filter includes a predictor ci...
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WO/2017/063682A1 |
The present invention relates to a filtering device comprising: a multiplier (102) configured to multiply each sample (a) of a plurality of input samples with a corresponding weight w n corresponding to the sample (a) so as to provide a ...
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WO/2017/062701A1 |
A signal processing arrangement generates electrical stimulation signals to electrode contacts in an implanted cochlear implant array. An input sound signal is processed to generate band pass signals that each represent an associated ban...
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WO/2017/050669A1 |
An audio signal processing apparatus comprises a receiver (403) receiving an audio signal sampled at a first sampling frequency, the audio signal having a maximum frequency below half the first sampling frequency by a first frequency mar...
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WO/2017/033466A1 |
In the present invention, a plurality of first-type filter parts are connected in parallel. A selection part is connected to each of the first-type filter parts. A second-type filter part is connected to the selection part. Each of the p...
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WO/2017/025531A1 |
The invention relates to a method (100) for switching between desired value filters (26, 28) of a drive means (52) for a machine axis (10, 12) during operation. An input signal (20) is applied to the first and to the second desired value...
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WO/2017/021357A1 |
The invention relates to a device for changing a sampling rate, comprising a forward transformer for forming a first version of a spectogram by means of a transformation with a first transformation length from an information signal, whic...
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WO/2017/019371A1 |
A wireless device for narrowband MTC may use a sampling rate that is less than a default sampling rate associated with a wireless carrier for reduced processing complexity. The device may operate in a narrowband portion of a system bandw...
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WO/2017/007519A1 |
An apparatus (199), and related method (400), relates generally to variable bandwidth filtering. In such an apparatus (199), an analysis filter bank (140, 240) has path filters (112, 122) associated with different bandwidths and is confi...
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WO/2016/202634A1 |
The present invention relates to the filtering of an angle signal. To this end, the angle signal is filtered by means of a state variable filter. The transfer function of the filter has the same coefficients in the numerator polynomial a...
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WO/2016/201216A1 |
In a cascaded integrator comb (CIC) filter, a time-varying gain is added before the last integrating stage transforming its sub optimal boxcar impulse response into an FIR filter of arbitrary Iength. Make the coefficients sparse and taki...
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WO/2016/198481A2 |
In accordance with embodiments of the present disclosure, a hybrid finite impulse response filter having a plurality of delay stages comprising a first filter portion and a second filter portion. In some embodiments, the first filter por...
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WO/2016/201216A8 |
In a cascaded integrator comb (CIC) filter, a time-varying gain is added before the last integrating stage transforming its sub optimal boxcar impulse response into an FIR filter of arbitrary Iength. Make the coefficients sparse and taki...
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WO/2016/199341A1 |
The purpose of the present invention is to provide a signal processing device, a program, and a range hood device capable of sufficiently suppressing gain in a noise reduction filter in a low-frequency band. In the signal processing devi...
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