Results 51 to 60 of about 3,785,484 (384)
Digital forensics approach for handling audio and video files
Measurement: Sensors, 2023 Digital forensics is the modern approach in scientific data analysis for data acquisition, analysis of data, and preservation of data contained in digital sources, which can be used as electronic evidence in cybercrime investigations.
Srinivasa Murthy Pedapudi +1 more
doaj +1 more source
Real‐Time 3D Ultrasound Imaging with an Ultra‐Sparse, Low Power Architecture
Advanced Healthcare Materials, EarlyView.This article presents a novel, ultra‐sparse ultrasound architecture that paves the way for wearable real‐time 3D imaging. By integrating a unique convolutional array with chirped data acquisition, the system achieves high‐resolution volumetric scans at a fraction of the power and hardware complexity.
Colin Marcus +9 more
wiley +1 more source
EURASIP Journal on Audio, Speech, and Music ProcessingHearable devices, equipped with one or more microphones, can be used to capture the user’s own voice in noisy environments. In such environments, an own voice reconstruction (OVR) system is needed to enhance the quality and intelligibility of the ...
Mattes Ohlenbusch +2 more
doaj +1 more source
Beamforming Design for STAR-RIS-Assisted NOMA with Binary and Coupled Phase-Shifts
EntropyThis paper investigates the joint optimization of active and passive beamforming in simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS)-assisted non-orthogonal multiple access (NOMA) systems, with the aim of ...
Yongfei Liu, Yuhuan Wang, Weizhang Xu
doaj +1 more source
Jurnal Kajian Teknologi Pendidikan, 2022 The development of a digital module for learning materials aims to produce a suitable learning media product in the form of a digital module by applying the principle of redundancy that can accommodate audio, visual, and audio-visual learning styles.
Binti Lutfiyah Nuraini +2 more
doaj +1 more source
Moth‐Wing‐Inspired Multifunctional Metamaterials
Advanced Materials, EarlyView.This study develops a moth‐wing‐inspired heterogeneous metamaterial that achieves synergistic broadband sound absorption, mechanical energy dissipation, and thermal insulation within a lightweight architected framework. Combining bioinspired gradient design, genetic‐algorithm optimization, and additive manufacturing, the bionic heterogeneous acoustic ...
Haoran Pei +12 more
wiley +1 more source
A Low Bit Rate Audio Coder based on Segmental Sinusoidal Model [PDF]
, 2010 Audio signal information with high quality would help the television audience to increase the perception of the information displayed. Transmission channel capacity will become limited, while the need of channel communication is increased.
budisetiawan, florentinus
core
An audio FIR-DAC in a BCD process for high power Class-D amplifiers [PDF]
, 2005 A 322 coefficient semi-digital FIR-DAC using a 1-bit PWM input signal was designed and implemented in a high voltage, audio power bipolar CMOS DMOS (BCD) process. This facilitates digital input signals for an analog class-D amplifier in BCD.
Annema, A.J. +5 more
core +2 more sources
Variants of LSTM cells for single-channel speaker-conditioned target speaker extraction
EURASIP Journal on Audio, Speech, and Music ProcessingSpeaker-conditioned target speaker extraction aims at estimating the target speaker from a mixture of speakers utilizing auxiliary information about the target speaker.
Ragini Sinha +2 more
doaj +1 more source
Evaluation of Lateral Radar Positioning for Vital Sign Monitoring: An Empirical Study
SensorsVital sign monitoring is dominated by precise but costly contact-based sensors. Contactless devices such as radars provide a promising alternative.
Lars Hornig +4 more
doaj +1 more source