Psychoacoustics for improved audio reproduction, power reduction, and speaker protection

Z Hatab, J Su, LAU Kaichow - US Patent 10,827,265, 2020 - Google Patents
A method for processing audio data for output to a transducer may include receiving an
audio signal, filtering the audio signal with a fixed filter having fixed filter coefficients to …

Perceptual power reduction system and method

VP Nigam, R Polleros, W Jin - US Patent 10,374,566, 2019 - Google Patents
A method of reducing power consumed by an audio playback system includes: receiving a
signal from a digital audio interface; comparing a sound pressure level (SPL) response of a …

Audio fingerprinting for meeting services

MA Ramalho, J Rosenberg, K Griffin… - US Patent …, 2020 - Google Patents
The present technology can receive audio segments from sources within one or more
conference room, and can create audio fingerprints from the sources. The audio fingerprints …

North port interference mitigation in a full duplex (fdx) amplifier

A Kliger, N Pantelias, H Garti… - US Patent App. 17 …, 2023 - Google Patents
2023-01-23 Assigned to AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE. LIMITED
reassignment AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE. LIMITED …

Systems and methods for noise reduction using sub-band noise reduction technique

C Zhang, L Fengyun, X Qi - US Patent App. 18/501,230, 2024 - Google Patents
A noise reduction system is provided. The noise reduction system may include a sub-band
noise sensor, a plurality of sub-band noise reduction modules, and an output module. The …

Systems and methods for noise reduction using sub-band noise reduction technique

C Zhang, L Fengyun, X Qi - US Patent 11,817,077, 2023 - Google Patents
A noise reduction system is provided. The noise reduction system may include a sub-band
noise sensor, a plurality of sub-band noise reduction modules, and an output module. The …

Context-aware hardware-based voice activity detection

R Li, X Chen, M Jarvis - US Patent 11,776,562, 2023 - Google Patents
Certain aspects of the present disclosure provide a method for performing voice activity
detection, including: receiving audio data from an audio source of an electronic device; …

Adaptive dynamic audio hum extractor and extraction process

JK Waller Jr, JJ Waller - US Patent 11,488,619, 2022 - Google Patents
An adaptive dynamic audio hum extractor eliminates line frequency hum components and
associated higher harmonics from an audio signal. An audio signal containing line …

Transducer cooling by introduction of a cooling component in the transducer input signal

ZOU Ziyan, AS Doy, N Li, LAU Kaichow… - US Patent …, 2021 - Google Patents
Methods, systems, circuits and computer program products provide an output signal to drive
an electromechanical transducer that selectively contains a cooling component when a …

Micro-speaker audio power reproduction system and method with reduced energy use and thermal protection using micro-speaker electro-acoustic response and …

N Li, GE Hardy, LAU Kaichow, AS Doy… - US Patent …, 2021 - Google Patents
An audio output system for providing an output signal to a micro-speaker provides energy
reduction and thermal protection by removing components of an input signal from which the …