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Information Retrieval Techniques for non-textual media - Prof. A ...

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Signal + Context = Better<br />

Classification<br />

• Typical signal-based approaches to extract<br />

musical descriptions from audio only have limited<br />

precision.<br />

• architecture to train a large set of binary<br />

classifiers simultaneously, <strong>for</strong> many different<br />

musical metadata (genre, instrument, mood,<br />

etc.), in such a way that correlation between<br />

metadata is used to rein<strong>for</strong>ce each individual<br />

classifier.<br />

• The system is iterative

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