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MPEG-7 |
| UniSay’s technologies, and seven pending patents,
are based on an advanced application of the MPEG-7 standard. Our proprietary
algorithms provide for the most sophisticated and granular media analysis
available in any solution. |
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MPEG-7 is an ISO/IEC standard developed by MPEG
(Moving Picture Experts Group), comprised of experts representing
broadcasters, electronics manufacturers, content creators and managers,
publishers, intellectual property rights managers, telecommunication
service providers and academia. The MPEG-7 standard, formally named
“Multimedia Content Description Interface”, provides a rich set of
standardized tools to describe multimedia content. |
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MPEG-1, -2, and -4 are media compression technologies designed to
make content available for delivery and viewing. However, MPEG-7 is
not about compression; it is about further describing the media (the
data about the data). Think of it as “metadata on steroids”. |
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MPEG-7 was developed to enable more robust systems for indexing,
tracking and manipulating rich media content than has traditionally
been available. UniSay is one of the first digital media software
developers to fully take advantage of this new standard, and offer
its clients these capabilities within its automated services. |
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Traditionally, information was limited to basic metadata (e.g. title,
copyright, and genre); however, leveraging the MPEG-7 standard, UniSay's
proprietary 64bit MPEG-7 algorithmic analysis is able to define the
minute components that collectively are the media itself. In the case
of audio files, UniSay analyzes 17 different physical layers (e.g.
pitch, harmonics, dynamics, noise issuances, timings, prosody). These
large datasets are then used to create relationships, comparatives
and extrapolations about the media in the preparation of translated
and synchronized dialogue files, subtitles and caption files, and
track-breakdown and lip assignment files. |
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More information about MPEG-7 can be found at the MPEG-7
ISO website, and the MPEG
Industry Forum website. These web pages contain links to a wealth
of information about MPEG, including much about MPEG-7, many publicly
available documents, several lists of ‘Frequently Asked Questions’
and links to other MPEG-7 web pages. |
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Meta-Indexer Engine |
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UniSay's Meta-Indexer™ engine is an automated metadata
"crosswalk" that provides unique mapping abilities of metadata between
industry standard formats. |
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| Current: |
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MPEG-7 |
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Dublin Core |
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RDF |
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MXF/DMS-1 |
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TV-Anytime |
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DTV/PSIP |
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MODS/MARC21 |
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ID3 |
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AVID MetaSync |
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SAMI |
| Coming soon: |
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SMPTE 377M |
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AAF-X |
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KLV |
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EBU P/Meta |
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IPTC |
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Meta-Indexer engine enables multifaceted search and retrieval for
content located on web servers, in-house servers, or distributed via
other medium. Files processed through the Meta-Indexer engine are
available in standard XML format. |
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Output schemas for Meta-Indexer are fully standards compliant and
provide direct integration with current database cataloguing. |
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Meta-Indexer creates value by enabling efficient content acquisition
and distribution. It provides seamless integration of content management
between various parties. |
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Unisay Asset Manager allows for open scalability and 24 hour global
access. With integrated Meta-Indexer engine, clients can utilize their
current cataloguing standards without investing in new software or
manual conversion practices. |
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Phoneme & Viseme Timing |
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UniSay’s Phoneme and Viseme Timing technology enables the creation
of lookup tables of phonemes used in a media file, and their corresponding
visemes, resulting in a timed list, that can be analyzed and reproduced
for a variety of related applications. |
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Timed Language Presentation |
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UniSay’s Timed Language Presentation technology generates a file
containing a description of words and phoneme length timings that
can be used in a variety of presentation applications. This is accomplished
by using audio/video files and a corresponding script as input, and
utilizing a text-to-speech process, along with UniSay’s proprietary
algorithm analysis. |
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Phoneme Extraction |
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UniSay’s Phoneme Extraction technology is an innovative process
for quickly and accurately extracting the phonemes from an audio track
and corresponding script to be used in several of UniSay’s automated
services. |
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