H03H17/0211

RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODEC

An apparatus for processing an audio signal includes a configurable first audio signal processor for processing the audio signal in accordance with different configuration settings to obtain a processed audio signal, wherein the apparatus is adapted so that different configuration settings result in different sampling rates of the processed audio signal. The apparatus furthermore includes n analysis filter bank having a first number of analysis filter bank channels, a synthesis filter bank having a second number of synthesis filter bank channels, a second audio processor being adapted to receive and process an audio signal having a predetermined sampling rate, and a controller for controlling the first number of analysis filter bank channels or the second number of synthesis filter bank channels in accordance with a configuration setting.

RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODECS

An apparatus for processing an audio signal includes a configurable first audio signal processor for processing the audio signal in accordance with different configuration settings to obtain a processed audio signal, wherein the apparatus is adapted so that different configuration settings result in different sampling rates of the processed audio signal. The apparatus furthermore includes n analysis filter bank having a first number of analysis filter bank channels, a synthesis filter bank having a second number of synthesis filter bank channels, a second audio processor being adapted to receive and process an audio signal having a predetermined sampling rate, and a controller for controlling the first number of analysis filter bank channels or the second number of synthesis filter bank channels in accordance with a configuration setting.

IMAGE STABILIZATION APPARATUS AND IMAGE STABILIZATION METHOD
20170134658 · 2017-05-11 ·

An image stabilization apparatus comprises: an identification unit that, based on an angular velocity signal outputted from a shake detection unit, a motion vector calculated from a difference between frames of images outputted from an image sensor, and a position signal indicating a position of a correction unit that corrects a shake optically, identifies an output variation of the shake detection unit; and a conversion unit that converts the angular velocity signal into a shake correction amount by correcting the angular velocity signal based on the output variation identified by the identification unit.

Resampling output signals of QMF based audio codecs

An apparatus for processing an audio signal includes a configurable first audio signal processor for processing the audio signal in accordance with different configuration settings to obtain a processed audio signal, wherein the apparatus is adapted so that different configuration settings result in different sampling rates of the processed audio signal. The apparatus furthermore includes an analysis filter bank having a first number of analysis filter bank channels, a synthesis filter bank having a second number of synthesis filter bank channels, a second audio processor being adapted to receive and process an audio signal having a predetermined sampling rate, and a controller for controlling the first number of analysis filter bank channels or the second number of synthesis filter bank channels in accordance with a configuration setting.

FORWARD DISTORTION CORRECTION FOR TIME DOMAIN BEAMFORMING
20250132797 · 2025-04-24 ·

A method and network node for forward distortion correction for time domain beam forming are provided. According to one aspect, a method in a network node includes filtering cach signal output by the time domain beamformer by a band stop filter, the band stop filter including a stop band overlapping a pass band of the signal output by the time domain beamformer. The method also includes filtering each signal output by the time domain beamformer by a group delay filter in electrical parallel with a band stop filter, the group delay filter providing a group delay to the signal output by the time domain beamformer. The method also includes subtracting an output of each band stop filter from an output of a corresponding group delay filter.

DIGITAL FILTER CIRCUIT FOR COMPUTING EXPONENTIAL VARIANCE OF A SIGNAL, CORRESPONDING SYSTEM-ON-CHIP AND METHOD OF OPERATION
20260088805 · 2026-03-26 ·

A method of digital signal processing includes applying a first infinite impulse response filtering operation to a digital input signal to produce a first filtered signal, performing a mathematical transformation on a combination of the digital input signal and the first filtered signal to produce a transformed signal, applying a second infinite impulse response filtering operation to the transformed signal to produce a second filtered signal, performing a scaling operation on the second filtered signal to produce a scaled signal, and combining the second filtered signal and the scaled signal to produce a digital output signal indicative of a statistical property of the digital input signal.