Results 21 to 30 of about 18,153 (222)

A Methodology for Extracting Power-Efficient and Contrast Enhanced RGB Images

open access: yesSensors, 2022
Smart devices have become an integral part of people’s lives. The most common activities for users of such smart devices that are energy sources are voice calls, text messages (SMS) or email, browsing the World Wide Web, streaming audio/video, and using ...
Elias Dritsas, Maria Trigka
doaj   +1 more source

Room equalization based on iterative simple complex smoothing of acoustic impulse responses [PDF]

open access: yes, 2006
This paper presents a room equalization method based on iterative simple complex smoothing of measured acoustic impulse responses. This is useful in cases of long duration impulse responses.
Daoud, B.   +5 more
core   +1 more source

Perceptual thresholds for the effects of room modes as a function of modal decay [PDF]

open access: yes, 2015
Room modes cause audible artefacts in listening environments. Modal control approaches have emerged in scientific literature over the years and, often, their performance is measured by criteria that may be perceptually unfounded.
Fazenda, Bruno M.   +2 more
core   +1 more source

Implementation of Adaptive Unsharp Masking as a pre-filtering method for watermark detection and extraction [PDF]

open access: yes, 2016
Digital watermarking has been one of the focal points of research interests in order to provide multimedia security in the last decade. Watermark data, belonging to the user, are embedded on an original work such as text, audio, image, and video and thus,
Ilk, Hakki Gokhan, Jane, Onur
core   +2 more sources

Algorithms for nonnegative matrix factorization with the beta-divergence [PDF]

open access: yes, 2011
This paper describes algorithms for nonnegative matrix factorization (NMF) with the beta-divergence (beta-NMF). The beta-divergence is a family of cost functions parametrized by a single shape parameter beta that takes the Euclidean distance, the ...
Févotte, Cédric, Idier, Jérôme
core   +5 more sources

M.R.H. A New Era in Magnetic Head Design [PDF]

open access: yesمجلة جامعة النجاح للأبحاث العلوم الطبيعية, 1986
The conventional method for reading/writing information from/on a magnetic media (e.g. magnetic tapes in audio and video recorders, computers etc.) uses what is called an inductive head.
Mazen R. Husni
doaj   +1 more source

Impact of spatial audiovisual coherence on source unmasking [PDF]

open access: yes, 2016
8 pagesInternational audienceThe influence of the spatial audiovisual coherence is evaluated in the context of a video recording of live music. In this context, audio engineers currently balance the audio spectrum to unmask each music instrument getting ...
Changenet, Frédéric   +4 more
core   +2 more sources

Digital Augmented Reality Audio Headset

open access: yesJournal of Electrical and Computer Engineering, 2012
Augmented reality audio (ARA) combines virtual sound sources with the real sonic environment of the user. An ARA system can be realized with a headset containing binaural microphones.
Jussi Rämö, Vesa Välimäki
doaj   +1 more source

Immersive Composition for Sensory Rehabilitation: 3D Visualisation, Surround Sound, and Synthesised Music to Provoke Catharsis and Healing [PDF]

open access: yes, 2014
There is a wide range of sensory therapies using sound, music and visual stimuli. Some focus on soothing or distracting stimuli such as natural sounds or classical music as analgesic, while other approaches emphasize the active performance of producing ...
A. Cohen   +9 more
core   +1 more source

Audio Effect Units in Mobile Devices for Electric Musical Instruments

open access: yesIEEE Access, 2019
With the advent of modern techniques, there has been an increase in mobile devices with powerful functions. This study aims to utilize application software instead of hardware equipment to alter the sound of electric musical instruments by developing the
Shu-Nung Yao
doaj   +1 more source

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