Results 31 to 40 of about 82,391 (273)
Subjective and Objective Comparative Study of DAB+ Broadcast System
Archives of Acoustics, 2017 Broadcasting services seek to optimize their use of bandwidth in order to maximize user’s quality of experience. They aim to transmit high-quality digital speech and music signals at the lowest bitrate.
Przemyslaw GILSKI, Jacek STEFAŃSKI
doaj +1 more source
Austriaʼs Legacy in Early Radio Broadcasting: Lessons for Audio Media in the 21st Century [PDF]
Athens Journal of Mass Media and Communications, 2017 Early radio broadcasting represents a vital part of media history. It offers an important foundation of mediated storytelling and other content forms in the first electronic medium of mass communication.
John V. Pavlik
doaj +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
Location‐Assisted Graph‐Based User Scheduling in Multi‐User MIMO LEO NTN Systems
International Journal of Satellite Communications and Networking, EarlyView.ABSTRACT This paper addresses user clustering and scheduling for multi‐user MIMO low Earth orbit nonterrestrial network systems in full frequency reuse. Since the number of on‐ground user terminals is usually much higher than the number of on‐board LEO satellite antennas, user scheduling becomes a fundamental task.
Bilal Ahmad +4 more
wiley +1 more source
Shapley’s Value as a Resource Optimization Strategy for Digital Radio Transmission over IBOC FM
Applied SciencesThe hybrid in-band on-channel (IBOC) transmission system, which serves as a digital audio radio scheme, facilitates the simultaneous transmission of analog FM and digital audio.
Mónica Rico Martínez +5 more
doaj +1 more source
A Multi-Level Robust and Perceptually Transparent Blind Audio Watermarking Scheme Using Wavelets
Archives of Acoustics, 2014 In this paper, a robust and perceptually transparent single-level and multi-level blind audio watermarking scheme using wavelets is proposed. A randomly generated binary sequence is used as a watermark, and wavelet function coding is used to embed the ...
Farooq HUSAIN, Omar FAROOQ, Ekrqam KHAN
doaj +1 more source
Digital Radio Strategies in the United States: A Tale of Two Systems [PDF]
, 2010 This essay analyzes how, despite early interest in the Digital Audio Broadcasting standard (DAB) in the United States, an alternative in-band system (HD Radio) was developed as the approved digital radio ...
Huntsberger, Michael, Stavitsky, Alan G.
core +1 more source
Advanced Fade Mitigation Techniques for Q/V Band SATCOM Systems
International Journal of Satellite Communications and Networking, EarlyView.ABSTRACT Adaptive fade mitigation techniques, such as smart gateway diversity (SGD), are essential in addressing atmospheric fading affecting the operation of high throughput and very high throughput satellite systems at Ka‐band and beyond. Specifically, the Q/V‐band, offering up to 5 GHz of available spectrum, is very attractive for future high data ...
Marianna Biscarini +5 more
wiley +1 more source
Opportunities and challenges for converged platform for audio-visual and data services in 470-790 MHz UHF broadcasting band [PDF]
, 2013 In this paper, we will investigate the potential opportunities and challenges for deploying a converged platform in the UHF Broadcasting band (470-790 MHz) to replace the legacy systems and provide terrestrial audio-visual and dataservice.
Shi, Lei, Sung, Ki Won, Zander, Jens
core
International Journal of Satellite Communications and Networking, EarlyView.ABSTRACT The raindrop size distribution (DSD) plays an essential role in understanding rain attenuation effects at extremely high frequencies (EHFs). Over 1 year of DSD measurements was taken at different Köppen–Geiger climate classifications within the United States. Optical disdrometers from Thies Clima were used to measure both the size and velocity
Eugene S. Hong +3 more
wiley +1 more source