Patent Document ID: 9384196
Application ID: 14619767

Base Claim:
1. A method for generating a large-scale database of heterogeneous speech, comprising: transcribing a plurality of multimedia signals retrieved from a large text database and a speech database; randomly selecting a plurality of speech segments from the plurality of multimedia signals, wherein each speech segment of the plurality of speech segments is of a random length; generating a plurality of signatures based on the plurality of speech segments; and populating the large-scale database with the plurality of signatures respective of the plurality of multimedia signals.

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Claim 4:
4. The method of claim 1 , further comprising: determining, for each multimedia signal of the plurality of multimedia signals, if the multimedia signal matches at least one class of multimedia signals based on the plurality of signatures and a set of representative signatures of the class of multimedia signals; and upon determining that at least one multimedia signal of the plurality of multimedia signals does not match at least one class of multimedia signals, creating a new class of multimedia signals, wherein the new class of multimedia signals comprises the plurality of signatures as new representative signatures of the new class of multimedia signals.