8.1 – Forty years of video compression

Introduction This chapter will tell the story of how compressed digital video standards gave rise to the ever-improving digital video experience that the world is experiencing in ever greater numbers. First Video Coding Standard The first international standard that used video coding techniques – ITU-T Recommendation H.120 – originated from the European research project called […]

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8.2 – More video features

Introduction In the preceding chapter the intense 40-year long history of ITU and MPEG video compression standards was presented. In this chapter the focus is on how over the years, MPEG standards have been offering more functionalities in addition to video compression and how the next generations of standard will add even more. Table 10 […]

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8.4 – Video can be green

Introduction MPEG has given humans the means to add significant more effectiveness and enjoyment to their lives. If billions of people, however, can stream video to anywhere at any time of the day, global energy consumption can only increase. Enhanced experiences provided by newer features such as High Dynamic Range further adds energy consumption in […]

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9 – Audio compression in MPEG

Introduction Because of obvious technology reasons, the electrical representation of sound information happened before the electrical representation of visual information. The same is true of the services that used that representation to distribute sound information. The digital representation of audio, too, happened before the digital representation of video. In the early 1980s, the Compact Disc […]

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10 – Quality assessment

Introduction The description of the MPEG workflow highlights the role of quality assessment across the entire MPEG standard life cycle: at the time of issuing a Call for Evidence (CfE) or a Call for Proposals (CfP), carrying out Core Experiments (CE) or executing Verification Tests. We should consider, however, that in 30 years the coverage […]

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