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In this section,
you will find information about several research topics at the
Fraunhofer Institute for Digital Media Technology. |
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Acoustics
For the future of sound reproduction it becomes more and more
important to create natural and realistic sound. Research
in the business area "Acoustics" focuses on creating
natural surround sound environments.
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Semantic Metadata Systems
The Metadata business area addresses methods for automatic
recognition and characterization of multimedia data. In this
context, the automated generation of content based features
inherent to audio visual signals provides successful and reliable
retrieval using suitable search engines.
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Media Distribution and Security
More and more business transactions are processed via the
Internet. Digital content is distributed online, transactions
are managed and sensitive information are exchanged. The development
and realization of business models for secure, user-friendly
and technically efficient distribution of virtual goods –
e.g. MP3-files – is the emphasis in the business area "Media
Distribution and Security".
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Audio Coding for Special Applications
Since the early stage of digital audio technology, researchers
strive to compress the data ratio of multi-media based content.
High memory requirements of uncompressed data, limited transfer
rates in digital broadcast and the transmission of audio signals
via Internet required a radical "slimming cure"
of the signals. In collaboration with the Fraunhofer Institute
for Integrated Circuits IIS in Erlangen, the Fraunhofer IDMT
works on both perceptual coding and lossless coding in order
to reach an optimum of compression and audio quality.
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Bio-inspired Computing
Research activities in the business area Bio-inspired Computing at the Fraunhofer Institute for Digital Media
Technology IDMT focus on the creation of neuromorphic aural
models simulating the neurophysiology of human hearing. Moreover,
the gained experiences in the field of medical audio technology
will be applied for – and combined with – video.
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Data Representation and Interfaces
Nowadays, numerous technologically based environments and
approaches exist, that address non-linear viewing and presentation
of multimedia information in knowledge, content and learning
management systems. The problem is that developments frequently
lack the context and preparation to make effective use of
new techniques targeted to the real involvement of user-centred
technologies. Current knowledge management systems focus on
knowledge acquisition, storage, retrieval and maintenance,
and E-Learning systems are often static and fail to facilitate
the development and sharing of knowledge.
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Authoring Systems
Development of brand-new multimedia applications and services
requires to master the complete digital chain from production,
via distribution to consumption.
Therefore several methods and schemes from diverse areas are
being utilized, such as from TV production, computer graphics,
multimedia, communication and broadcast engineering. Especially
the interfaces between these areas make great demands on authoring
and relevant authoring tools and systems.
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