نتایج جستجو برای: digital video broadcasting

تعداد نتایج: 481335  

2004
Wesley De Neve Frederik De Keukelaere Koen De Wolf Rik Van de Walle

Video coding is present in a lot of multimedia applications such as video conferencing, digital storage media, television broadcasting, and internet streaming. However, offering universal access to video content is far from trivial when taking into account the diversity of current networks and terminals. In this paper, we will discuss how MPEG-21-based technology can be combined with a recently...

2003
Wesley De Neve Peter Lambert Sam Lerouge Rik Van de Walle

Video coding is used under the hood of a lot of multimedia applications, such as video conferencing, digital storage media, television broadcasting, and internet streaming. Recently, new standards-based and proprietary technologies have emerged. An interesting problem is how to evaluate these different video coding solutions in terms of delivered quality. In this paper, a PSNR-based approach is...

2017
MOHAMMED B. MAJED THAREK A. RAHMAN

The International Telecommunication Union for Radiocommunication (ITU-R) became involved with the spectrum allocation for next generation mobile communication services in World Radio Communication conference 2007 (WRC07). The reason is to minimize the adjacent channel interference between Mobile service and DVB-T system within the same geographical area. Therefore, this paper investigates the s...

Journal: :Circuits and Systems 2011
Sudeep Kanav Satish Chand

Existing broadcasting schemes provide services for the stored videos. The basic approach in these schemes is to divide the video into segments and organize them over the channels for proper transmission. Some schemes use segments as a basic unit, whereas the others require segments to be further divided into subsegments. In a scheme, the number of segments/subsegments depends upon the bandwidth...

Journal: :EURASIP J. Adv. Sig. Proc. 2008
Heidi Himmanen Miska M. Hannuksela Teppo Kurki Jouni Isoaho

This paper demonstrates the need of and objectives for new error criteria for mobile broadcasting and the problems related to defining numerical error criteria for video services. The current error criterion used in digital video broadcasting to handheld (DVB-H), namely, multiprotocol encapsulation forward error correction (MPE-FEC) frame error ratio (MFER) 5%, was defined to enable instantaneo...

2013
Sudeep Kanur Chandra Shekar Johan Lilius Sebastien Lafond

High quality digital video transmission requires efficient and reliable data communication over broadcasting channels as there is a risk of data corruption associated during transmission. The near channel performance of Low Density Parity Check Codes (LDPC) has motivated its use in second generation Digital Video Broadcasting (DVB) standards for mobile, cable, satellite and terrestrial channels...

2005
Shin-Yo Lin Wei-Chien Tang Jian-An Lin Tsung-Han Tsai

Digital Video Broadcasting Terrestrial (DVB-T) is a leading international standard established for the move from Analog to Digital Broadcasting basically via terrestrial networks. Within DVB-T, it is possible to carry defined data containers in addition to the audio and video in the MPEG-2 transport stream. This paper presents a hardware/software co-design method for the implementation of DVB-T...

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