A device or technology for compressing and decompressing data that can be implemented in software, hardware or a combination of both. Often used in videoconferencing and streaming applications, codecs encode a stream or signal for transmission, storage or encryption and decode it for viewing or editing. Speech codecs are designed to deal with the characteristics of voice, while audio codecs are developed for music.
Published in Chapter:
Performance Analysis of Multimedia Traffic
Federico Montesino Pouzols (University of Seville, Spain), Angel Barriga Barros (University of Seville, Spain), Diego R. Lopez (RedIRIS, Spain), and Santiago Sánchez-Solano (CSIC - Scientific Research Council, Spain)
Copyright: © 2008
|Pages: 6
DOI: 10.4018/978-1-59904-885-7.ch158
Abstract
Videoconferencing and multimedia communication technologies in general are gaining momentum with the development of networked organizations. Efforts are currently underway to further adapt multimedia technologies to virtual organizations where multimedia communications find applications in training and education, customer relationships management, enterprise resource planning and many other areas (Camarinha-Matos, 2002).