DSP Group Patent Applications

CASCADED DETECTION OF FACIAL ATTRIBUTES

Granted: February 1, 2024
Application Number: 20240037985
This disclosure provides methods, devices, and systems for object detection in images. The present implementations more specifically relate to cascaded object detection techniques. In some aspects, an object detection system may obtain a first image and perform a first object detection operation on the first image. The object detection system may select a region of interest (ROI) in the first image based at least in part on the object detection operation, the ROI being selected before…

CASCADED DETECTION OF FACIAL ATTRIBUTES

Granted: February 1, 2024
Application Number: 20240037985
This disclosure provides methods, devices, and systems for object detection in images. The present implementations more specifically relate to cascaded object detection techniques. In some aspects, an object detection system may obtain a first image and perform a first object detection operation on the first image. The object detection system may select a region of interest (ROI) in the first image based at least in part on the object detection operation, the ROI being selected before…

CONFERENCE CALL AND MOBILE COMMUNICATION DEVICES THAT PARTICIPATE IN A CONFERENCE CALL

Granted: December 28, 2023
Application Number: 20230421704
A first mobile communication device that includes a first microphone, a first speaker, and a first delay unit. The first microphone is configured to (i) receive, during a conference call, a first user first microphone signal from a first user, and (ii) output a first microphone digital signal to the first delay unit. The first user first microphone signal represents audio content outputted by the first user. The first delay unit is configured to delay, by a delay period, the first…

TRANSMIT RECEIVE RADIO FREQUENCY SWITCH

Granted: August 26, 2021
Application Number: 20210266032
A TX/RX RF switch that may include a reception path; and a transmission path that has an antenna port, a transmission input port, and transmission transistors. The transmission transistors have source-bulk connections. The reception path has an antenna port, a reception output port, and reception transistors. The reception path includes a first reception transistor that is closest to the antenna port, out of the reception transistors, and has a source-bulk connection, and at least one…

IN-EAR DETECTION UTILIZING EARBUD FEEDBACK MICROPHONE

Granted: August 12, 2021
Application Number: 20210250675
A method for in-ear detection, the method may include transmitting test signals, by a speaker of an earbud, during a test period, and while the earbud is operating at a first operational mode, wherein the test signals comprise at least one first test signal within a first frequency range, at least one second test signal within a second frequency range, and at one third test signal within a third frequency range; wherein the first frequency range, the second frequency range and the third…

Post-training Control of the Bias of Neural Networks

Granted: August 5, 2021
Application Number: 20210241101
A method for controlling a bias of a neural network, the method may include training the neural network by using a loss function that is responsive to classes of a classification process and sensitivity input values thereby setting the bias.

AUTOMATIC FREQUENCY SHIFT COMPENSATION (AFSC) IN RESONANT TANK CIRCUITS OVER THE PROCESS VARIATION

Granted: June 17, 2021
Application Number: 20210184631
A low noise amplifier that may include a first input port, a second input port, a first capacitor, a second capacitor, a first variable capacitor, a second variable capacitor, an inductor, a bias circuit, a tuning circuit, a first output circuit having a first output, a second output circuit having a second output; wherein the first input port is electrically coupled to a first end of the second variable capacitor, to a first end of the first capacitor, to an input of the first output…

TRUE WIRELESS STEREO SYSTEM AND METHOD

Granted: June 10, 2021
Application Number: 20210176811
A wireless audio system that may include a first wireless transceiver that is configured to receive audio information from an audio source over a bi-directional wireless link; a second wireless transceiver that is configured to sniff audio information sent over the bi-directional wireless link; and wherein the first and second wireless transceivers are configured to share sniff enabling information, over a shared link and before an establishment of the bi-directional wireless link.

ADJUSTING A PRUNED NEURAL NETWORK

Granted: March 25, 2021
Application Number: 20210089919
A method for adjusting a pruned neural network, the method may include adjusting weights of the pruned neural network to provide an adjusted neural network. The pruned neural network was generated by a pruning process and is associated with pruning related weights. The pruning related weights include survived weights and erased weights. A survived weight was assigned a non-zero value by the pruning process. An erased weight was assigned a zero value by the pruning process. The adjusting…

LOW NOISE AMPLIFIER WITH IMPROVED LINEARITY IN LOW GAIN MODE

Granted: March 25, 2021
Application Number: 20210091730
A low noise amplifier that includes a first cascode, a second cascode, an input circuit, an output node, a first switch, and a second switch. A source of a first common gate transistor and a drain of a first common source transistor of the first cascode are coupled to a first node of the low noise amplifier. The output node is coupled to a drain of the first common gate transistor, and to a drain of a second common gate transistor of the second cascode, thereby coupling the first cascode…

INTERACTING WITH A TRUE WIRELESS HEADSET

Granted: December 31, 2020
Application Number: 20200409468
A true wireless headset that may include a housing, a microphone that is mechanically coupled to the housing, wherein the microphone is configured to detect sound and output detection signals indicative of the sound, a tap detector that is configured to receive a first representation of the detection signals, and to process the first representation of the detection signals to determine whether a user tapped on the housing; and at least one additional circuitry that is configured to…

ROBUST ULE VOICE BROADCAST

Granted: November 5, 2020
Application Number: 20200351397
A method for receiving audio broadcasts during a digital enhanced cordless telecommunication (DECT) frame, the method may include (a) opening, during a DECT frame and by a portable point (PP) that is a potential recipient of the audio broadcasts from a fixed part (FP), multiple reception windows that are spaced apart from each other and are allocated to receive signals related to audio broadcast; (b) receiving received signals, by the PP and during the multiple spaced apart reception…

SUPPLYING POWER TO A TRANSMITTER USING A COIN CELL BATTERY

Granted: October 1, 2020
Application Number: 20200313246
A coin cell powered device that includes a unit and one or more interfaces that are configured to interface between the unit, the cell coin and an external capacitor. The unit may include a regulator, a transmitter and a charge pump. The transmitter is configured to transmit signals during a transmission period while receiving power from the regulator, the power originated from the external capacitor. The charge pump is configured to perform, during a charging period, a charging process…

PROXIMITY SENSING

Granted: September 17, 2020
Application Number: 20200292656
There may be provided a method for proximity sensing by a computerized device, the method may include transmitting, by at least one transmitter of a computerized device and during at least one transmission window, one or more transmitted signals, the one or more transmitted signals comprise a transmitted ultrasonic signal; operating at least one receiver of the computerized device to receive, during at least one reception window, one or more received signals that were reflected or…

VOICE DETECTION

Granted: August 27, 2020
Application Number: 20200273486
A method for voice detection, the method may include (a) generating an in-ear signal that represents a signal sensed by an in-ear microphone and fed to a feedback active noise cancellation (ANC) circuit; (b) generating at least one additional signal, based on at least one out of a playback signal and a pickup signal sensed by a voice pickup microphone; and (c) generating a voice indicator based on the in-ear signal and the at least one additional signal.

ALWAYS ON DATA OVER AUDIO

Granted: July 13, 2017
Application Number: 20170199561
A method for sonic acoustic beacon processing. The method may include constantly operating a microphone and a chip, even when an application processor is asleep; receiving by the microphone, while the application processor is asleep, an acoustic beacon; converting by the acoustic beacon to electrical signals representative of the acoustic beacon; receiving by the chip the electrical signals representative of the acoustic beacon; searching, by the chip and in the electrical signals…

Efficient Smart Wideband Linear Hybrid CMOS RF Power Amplifier

Granted: September 22, 2016
Application Number: 20160276986
A novel and useful linear, efficient, smart wideband CMOS hybrid power amplifier that combined an analog linear amplification path and a digital power amplification (DPA) path. PA path control logic analyzes the input I and Q signals and determines which amplification paths to steer the input I and Q signals to. The analog linear amplification path comprises digital to analog converters for both I and Q paths and one or more analog linear power amplifiers. The digital power amplification…

CONFIGURABLE MULTIMODE MULTIBAND INTEGRATED DISTRIBUTED POWER AMPLIFIER

Granted: March 12, 2015
Application Number: 20150070097
A novel and useful configurable radio frequency (RF) power amplifier (PA) and related front end module (FEM) circuit that enables manipulation of the operating point of the power amplifier resulting in configurability, multimode and multiband operating capability. The configurable PA also provides high linearity and power efficiency and meets the requirements of modern wireless communication standards such as 802.11 WLAN, 3G and 4G cellular standards, Bluetooth, ZigBee, etc. The…

NON-INTRUSIVE QUALITY MEASUREMENTS FOR USE IN ENHANCING AUDIO QUALITY

Granted: January 29, 2015
Application Number: 20150030163
Methods and systems are provided for receiving by a first electronic device audio content, determining audio quality of the received audio content, which includes measuring and/or estimating quality related parameters associated with the received audio content, and communicating the quality related parameters to a second electronic device, from which the audio content was transmitted. The quality related parameters may be used to control audio related functions in the second electronic…

POWER SAVING TECHNIQUES FOR DISPLAYS WITH PIXEL-ADDRESSABLE INTENSITY

Granted: January 1, 2015
Application Number: 20150002554
A method for power management of a self-luminous display having a pixel addressable intensity, the method is executed by a device that comprises the self-luminous display. The method may include determining a selected area and a non-selected area of the self-luminous display; and reducing power consumption associated with the non-selected area.