AUDIO DISTORTION REMOVAL BASED ON A SET OF REFERENCE AUDIO SAMPLES
Granted: December 5, 2024
Application Number:
20240404544
A method includes receiving, by a processing device, an audio sample of a distorted voice. The method further includes extracting a first set of characteristics from the audio sample. The method further includes selecting a second set of characteristics. The second set of characteristics is associated with one of a set of reference audio samples. The method further includes generating an undistorted audio sample. The undistorted audio sample is based on the distorted audio sample, the…
GPS-ASSISTED COLLABORATIVE AND SIGNALING-AIDED WLAN DFS OPERATION
Granted: November 28, 2024
Application Number:
20240397416
Disclosed are methods and systems for a WLAN device to select an operating dynamic frequency selection (DFS) channel that minimizes the probability of radar interference by using aiding information. The aiding information may be a crowd-sourced database of geo-tagged radar zones including one or more DFS channels used within the geo-tagged radar zones that are detected by a plurality of WLAN devices. The WLAN device may query the crowd-sourced database for a geo-tagged radar zone that is…
Adaptive Power Tuning in a Successive Approximation Analog-to-Digital Converter
Granted: November 28, 2024
Application Number:
20240396569
A Successive Approximation Analog-to-Digital Converter (SAR_ADC) and method of operating the same are provided. Generally, the SAR_ADC includes a comparator having a first input to receive an input voltage (VIN), and a second input coupled to a n-bit capacitive digital-to-analog converter (DAC) to receive a voltage (VDAC), a Successive Approximation Register (SAR) coupled to a comparator output to provide n digital control signals to the DAC, and to store and output an n-bit…
METHODS, DEVICES AND SYSTEMS FOR ANALOG CIRCUIT BLOCK OPERATIONS CONFIGURABLE WITH MEMORY-MAPPED ENTRIES
Granted: November 28, 2024
Application Number:
20240394452
A method can include storing operation data in entries of memory mapped storage circuits of an integrated circuit (IC) device. The operation data of a single entry can include configuration data, an action value, and channel data having channel bits corresponding to different signal channels. Operation of the analog circuit can be configured with the configuration data. Signal channels to an analog circuit can be configured with channel data. In response to a first action value of the…
HOVER DETECTION FOR TOUCHSCREENS
Granted: November 28, 2024
Application Number:
20240393911
Measured signal data, detected by a sensor array of a device, is used to create a generated representation from the measured signal data. The generated representation is compared with a measured representation of the measured signal data to create a correlation coefficient corresponding to a correlation between the generated representation and the measured representation of the measured signal data. A hover event is detected for the device if the correlation coefficient exceeds a first…
ESTIMATING TIME OF DEPARTURE FOR ROUND TRIP TIME WITH RATE ADAPTATION
Granted: November 21, 2024
Application Number:
20240389044
A device includes a transmitter to generate a sampled stream of data for a packet at a first sample rate. A data re-sampling circuit includes a re-timer engine to determine, using a fractional rate between the first sample rate and a crystal oscillator (XO)-divided sample rate, re-timer values including a difference between pulses of a pseudo-clock corresponding to the XO-integer-divided sample rate and closest corresponding pulses of a clock corresponding to the first sample rate, and a…
SYSTEMS, METHODS, AND DEVICES FOR DATA CONVERTER MANAGEMENT
Granted: November 21, 2024
Application Number:
20240388305
Systems, methods, and devices enhance management of components used in data converters. Methods include receiving an input at a data converter comprising a digital to analog converter (DAC), the digital to analog converter comprising a plurality of sensing elements, and performing, using the DAC, a first conversion operation based on the input and a first set of the plurality of sensing elements identified by a first pointer value. Methods also include determining a pointer increment…
Secondary side peak current controlled mode flyback converter
Granted: November 21, 2024
Application Number:
20240388213
Secondary side peak current control mode flyback converters are described. In one embodiment, an apparatus includes a flyback converter including a flyback transformer and a signal transformer, a primary side including a primary-side controller coupled to a power switch, the flyback transformer and the signal transformer, and a secondary side including a secondary-side controller coupled to the flyback transformer and the signal transformer. The secondary-side controller is configured at…
PROGRAMMABLE SENSOR
Granted: November 21, 2024
Application Number:
20240385139
One or more computing devices, systems, and/or methods are provided. In an example of the techniques presented herein, a method is provided. The method includes connecting a first programmable electrode interface to one of a first working electrode, a control electrode, a reference electrode, or a guard electrode of an electrochemical cell in a first configuration, and connecting the first programmable electrode interface to a different one of the first working electrode, the control…
EFFICIENT OPTIMIZATION FOR NEURAL NETWORK DEPLOYMENT AND EXECUTION
Granted: November 14, 2024
Application Number:
20240378038
Implementations disclosed describe methods and systems to perform the methods of deploying and executing machine learning models on target-specific computational platforms. Optimization techniques include but are not limited to alignment of kernel operations with hardware instructions of a target processing device, reduction of kernel dimensions near boundaries of data, efficient reuse of a small number of memory components during neural network operations, run-time quantization of data…
SYSTEMS, METHODS, AND DEVICES FOR LOW-POWER SECURE WAKEUP OPERATIONS FOR WIRELESS DEVICES
Granted: October 31, 2024
Application Number:
20240365237
Systems, methods, and devices provide low-power wakeup operations for wireless devices. Methods include receiving an audio signal from a first wireless device at a second wireless device via an audio transducer, the audio signal including a plurality of encoded data values, and determining, using a processing device of the second wireless device, if the received audio signal includes a valid wakeup code. Methods also include transitioning a transceiver of the second wireless device from…
INSERTION OF TRAPS FOR IMPROVED ATTACK DETECTION IN ROUND TRIP TIMING ESTIMATION
Granted: October 31, 2024
Application Number:
20240365123
A wireless device includes a transmitter and logic at least one of coupled to or integrated within the transmitter. The logic generates a frequency domain artifact within a portion of a packet to be transmitted during a round trip timing estimation of an enclosure having a receiver. The logic causes a frequency of samples of bit patterns of the portion of the packet to be modified based on the frequency domain artifact before the transmitter transmits the packet to the receiver.
SYSTEMS, METHODS, AND DEVICES FOR DIRECT SAMPLING IN DATA CONVERTERS
Granted: October 31, 2024
Application Number:
20240364288
Systems, methods, and devices provide sampling for data converters. Methods include receiving a voltage from a voltage source, and identifying transconductance parameters and resistance parameters associated with a data converter, the transconductance parameters identifying a transconductance of the data converter. Methods also include selecting a resistor from a plurality of dynamically selectable resistors based on the resistance parameters, generating, using a programmable gain…
Low-Power Continuous-Rail Switching Regulator Architecture
Granted: October 31, 2024
Application Number:
20240364217
A floating-rail voltage generator and method are provided for use in a switched regulator. Generally, the generator includes a floating-rail reference generator, a current-sinking buffer and a current-sink. The reference generator is operable to generate a reference voltage (VSSHV_REF) equal to an input voltage (VBAT) minus 1.8 V for VBAT between 1.8V and 4.8V, and equal to 0V for VBAT less than 1.8V. The buffer is coupled between VBAT and ground, and operable to receive the VSSHV_REF…
Switching Regulator with a Low-Power Single-Rail Architecture
Granted: October 31, 2024
Application Number:
20240364215
A single-rail switching regulator and method are provided. The switching regulator includes a split-rail reference generator coupled between a battery voltage (VBAT) and ground, and including a floating-rail generator to generate a floating-rail reference voltage (VSSHV_REF), a fixed-rail generator to generate a fixed-rail reference voltage (VDD_REF), a current-sinking (I-sink) buffer to receive VSSHV_REF and generate a floating-rail voltage on a floating-rail to power logic devices…
Low-Power Fast-Transient Current-Sink Buffer
Granted: October 31, 2024
Application Number:
20240364208
A current-sink buffer is provided including a differential amplifier having a closed first-loop to provide a buffered output voltage, and a closed second-loop to sink transients in a load current of an output to ground. The first-loop includes a first transistor with a gate coupled to a reference-voltage, and a source coupled to a current-source; a second transistor with a gate coupled to a drain and the output, and a source coupled to the source of the first transistor; a first…
LOW COMPLEXITY SUB-BAND SPEECH ONSET DETECTION (SOD)
Granted: October 31, 2024
Application Number:
20240363137
Techniques are disclosed for a low-power and low-complexity speech onset detector (SOD) that uses a fractional-band filter structure and spectral subtraction technique to derive sub-band energy profiles to detect the onset of speech in the presence of noise. The SOD derives the sub-band energy profiles by filtering and down-sampling a full-band input audio signal using the fractional-bandwidth filter structure, which may be a low-pass filter with a cut-off frequency that is a fraction of…
Low-Power Floating-Rail Reference Generator
Granted: October 31, 2024
Application Number:
20240361790
A floating-rail reference generator and method of operating the same are provided. Generally, the generator includes a tracking current source coupled in series with a current scaling resistor between an input voltage (VBAT) and ground. The tracking current source is operable to receive a reference voltage and couple a tracking current through the resistor to produce a floating-rail reference voltage (VSSHV_REF) at an output between the tracking current source and scaling resistor,…
BIT ERROR CORRECTION FOR BLUETOOTH LOW ENERGY
Granted: October 24, 2024
Application Number:
20240356671
Disclosed are methods and systems for a Bluetooth Low Energy (BLE) receiver to reduce the number of retransmission of packets needed to receive an error free packet so as to improve channel throughput. Techniques to reduce the number of retransmissions include a combination of processing of the header of the received packets to increase the number of corrupted packets available for reconstructing the original payload and bit error correction (BEC) of the payload of the corrupted packets.…
SYSTEMS, METHODS, AND DEVICES FOR LOW-POWER OPERATION OF WIRELESS DEVICES
Granted: October 24, 2024
Application Number:
20240357491
Systems, methods, and devices provide low-power-low-latency communication between wireless devices. Methods include determining, using a processing device, state information identifying a state of a first wireless device, and determining, using the processing device, that a data packet should be sent to a second wireless device based on an identified change in the state information. Methods may further include generating, using the processing device, a data packet for transmission from…
