Multimedia Transcoding in Mobile and Wireless NetworksAhmad, Ashraf M.A., Khalil, Ismail IGI Global, 31 Tem 2008 - 460 sayfa In recent years, the field of multimedia communication in wireless and mobile video has grown in attraction. As the number of networks, types of devices, and content representation formats increase, the need for multimedia transcoding in wireless and mobile networks intensifies in order to provide a seamless interaction between content creation and usage. Multimedia Transcoding in Mobile and Wireless Networks addresses the transcoding of all multimedia elements including video, audio and text, while addressing both practical and theoretical problems in the field. A must have resource for all stakeholders in mobile and wireless technologies, this book embodies state-of-the-art knowledge of transcoding as it is embedded in today's pioneering technologies and leading research. |
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... channels. However, other less common formats are used in multimedia such as BMP, PICT, PNG, and TIFF (see Table 1). Digital images are divided into two types: Bitmap images and Vector images. In the next sections, we discuss these two ...
... channel noise In many countries around the world, High Definition TV (HDTV) is making its way to be the new standard for TV broadcasting, in which wider screen TVs would give viewers an enhanced sense of vision and a better viewing ...
... channel conditions that vary over the time, and highly packet loss. Legacy IEEE 802.11 standards such 802.11a, b, or g originally do not support QoS, thus many QoS enhancement schemes have been proposed; most of them focus on enhancing ...
... channel has poor quality and high noise ration, which yields higher bit error rate (BER), and higher BER means high packet loss. Thus, a new challenge is added to the QoS mechanism that is used for wireless environment. The second ...
... channel, and contention over the link. In order to provide a full QoS guarantee in a real-time system, we need to maintain QoS in three layers for a real-time system. These layers are user, application, and system layers as shown in ...
İçindekiler
Frameworks and Algorithms for Multimedia Transcoding in Mobile and Wireless Network | 91 |
Applications for using Multimedia Transcoding | 235 |
Compilation of References | 393 |
About the Contributors | 428 |
Index | 435 |