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MPEG-21 – Inside

Part 1 of the MPEG-21 standard has the title “Vision, Technologies and Strategy“. It is not a standard but a Technical Report because it contains a description of part of...
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Open Content Protection

MP3 has shown that the combination of technology and user needs can create mass phenomena behaving like a hydra. For every head of the MP3 hydra that is cut by...
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Craft, Intellect, and Art

In primitive societies every able individual was capable of making for himself all that was needed for a living: bows, arrows, shoes, tents, pottery, etc. From early on, the social...
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List of MPEG standards

Std Pt Title 1 1 Systems 2 Video 3 Audio 4 Compliance testing 5 Software simulation 2 1 Systems 2 Video 3 Audio 4 Coformance testing 5 Software simulation 6...
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An Introduction

All living beings communicate in some form and the living beings that are currently on top of the ladder – we, the humans – have the most advanced native form...
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A Guided Tour

You can ride the digital media bits in many ways, even create your own roadmapp, but the table below suggests one that combines the sequence of events with a meaningful...
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Communication Before Digital

If one sets aside some minor downsides, such as famine, floods, droughts, attacks by other tribes or death by some incurable disease, life in the Neolithic age was not necessarily...
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Communication and Public Authorities

The most potent driver to the establishment of civilisation has been the sharing by the members of a community of an understanding that certain utterances are associated with certain objects...
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Digital communication is good

Both audio and video signals can be represented as waveforms. The number of waveforms corresponding to a signal is 1 for telephone, 2 for stereo music and 3 for colour...
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Compressed Digital Is Better

A new technology to store 650 MByte of data on a CD had been developed based on the same basic principles used by the telco industry for their optical fibres,...
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The First Digital Wailings

ITU-T has promulgated a number of standards for digital transmission, starting from the foundational standard for digital representation of telephone speech at 64 kbit/s. This is actually a two-edged cornerstone...
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Digital Technologies Come Of Age

Speech digitisation was driven by the need to manage long-distance transmission systems more effectively. But the result of this drive also affected end users because, thanks to digital technologies, the...
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Electronic Computers

Since olden times, humans have invented practical mnemonic rules to speed up calculations on numbers – and ensuring that the results are correct. These were of varying complexity, depending on...
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Carrying Bits

Because the computer industry was “born” digital, it was the first to be confronted with the problem of “mapping” digital data onto analogue carriers, i.e. storing bits on intrinsically analogue...
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Telecom Bits And Computer Bits

Since the early times of computing, it became apparent that CPUs should be designed to handle chunks of bits called “bytes” instead of or in addition to individual bits, obviously...
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A Personal Faultline

During my previous incarnation as a researcher in the video coding field, I made more than one attempt at unification. But do not expect lofty thoughts of global convergence of...
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The 1st MPEG Project

The target of the first MPEG work item was of interest to many: the Consumer Electronics industry because it could create a new product riding the success of CD Audio...
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