5. A method of indexing and searching timed media files, as recited in claim 4 , further comprising the steps of calculating a magnitude of relevance for each said relevance interval; and storing said magnitude of relevance for each said relevance interval in the said search index.
4. A method of indexing and searching timed media files, as recited in claim 1 , further comprising the step of creating a search index containing said relevance intervals.