Results 1 to 10 of about 3,658,595 (247)

Development of a digital module for planning and installation of the audio system subject in audio video engineering skills competency

open access: diamondInovasi Kurikulum
The development of digital module in Planning and Installation of Audio Systems Subject for grade XI at SMKN 10 Makassar aims: (1) to discover the description of the needs for digital module for planning and installation audio system subject at SMKN ...
Dian ismidiati Idil   +2 more
doaj   +2 more sources

Efficient Precoding and Power Allocation Techniques for Maximizing Spectral Efficiency in Beamspace MIMO-NOMA Systems

open access: yesSensors, 2023
Beamspace MIMO-NOMA is an effective way to improve spectral efficiency. This paper focuses on a downlink non-orthogonal multiple access (NOMA) transmission scheme for a beamspace multiple-input multiple-output (MIMO) system.
Yongfei Liu   +4 more
doaj   +1 more source

Method to control the amount of “musical” noise for speech quality assessments

open access: yesActa Acustica, 2023
This study presents a method of adding to clean speech signals a controlled degree of “musical” noise distortions that mimic typical artefacts of speech enhancement systems.
Gößwein Jonathan Albert   +2 more
doaj   +1 more source

Pre-gelled Electrode Grid for Self-Applied EEG Sleep Monitoring at Home

open access: yesFrontiers in Neuroscience, 2022
The need for diagnostic capabilities for sleep disorders such as sleep apnea and insomnia far exceeds the capacity of inpatient sleep laboratories. Some home monitoring systems omit electroencephalography (EEG) because trained personnel may be needed to ...
Carlos F. da Silva Souto   +6 more
doaj   +1 more source

Flex-Printed Ear-EEG Sensors for Adequate Sleep Staging at Home

open access: yesFrontiers in Digital Health, 2021
A comfortable, discrete and robust recording of the sleep EEG signal at home is a desirable goal but has been difficult to achieve. We investigate how well flex-printed electrodes are suitable for sleep monitoring tasks in a smartphone-based home ...
Carlos F. da Silva Souto   +8 more
doaj   +1 more source

Investigating the Country of Origin and the Role of the .eu TLD in External Trade of European Union Member States

open access: yesFuture Internet, 2022
The Internet, and specifically the World Wide Web, has always been a useful tool in the effort to achieve more outward-looking economies. The launch of the .eu TLD (top-level domain) in December of 2005 introduced the concept of a pan-European Internet ...
Andreas Giannakoulopoulos   +3 more
doaj   +1 more source

Mapping Art to a Knowledge Graph: Using Data for Exploring the Relations among Visual Objects in Renaissance Art

open access: yesFuture Internet, 2022
Graph-like structures, which are increasingly popular in data representation, stand out since they enable the integration of information from multiple sources.
Alexandros Kouretsis   +4 more
doaj   +1 more source

Compressive sensing-based channel estimation for SC-FDE system

open access: yesEURASIP Journal on Wireless Communications and Networking, 2019
The channel of wireless broadband communication system usually features time domain sparsity. The channel estimation of single carrier frequency domain equalization (SC-FDE) system was modeled as compressive sensing (CS)-based reconstruction of sparse ...
Lu Si, Xinle Yu, Hang Yin, Weizhang Xu
doaj   +1 more source

Mobile Audiovisual Terminal: System Design and Subjective Testing in DECT and UMTS networks [PDF]

open access: yes, 2000
It is anticipated that there will shortly be a requirement for multimedia terminals that operate via mobile communications systems. This paper presents a functional specification for such a terminal operating at 32 kb/s in a digital European cordless
Cosmas, J, Gill, D, Pearmain, A
core   +1 more source

Contribution of Low-Level Acoustic and Higher-Level Lexical-Semantic Cues to Speech Recognition in Noise and Reverberation

open access: yesFrontiers in Built Environment, 2021
Masking noise and reverberation strongly influence speech intelligibility and decrease listening comfort. To optimize acoustics for ensuring a comfortable environment, it is crucial to understand the respective contribution of bottom-up signal-driven ...
Anna Warzybok   +3 more
doaj   +1 more source

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