16. The method of claim 1 further comprising: providing at least one phonetic search criterion in association with a search query wherein the phonetic search criterion corresponds to phonetic content; identifying a matching portion of the phonetic index that meets the at least one phonetic search criterion; and taking an action in response to identifying the matching portion of the phonetic index.
17. The method of claim 16 further comprising providing source criteria identifying at least one source of the plurality of sources in association with the search query, and wherein identifying the matching portion of the phonetic index comprises identifying the matching portion of the phonetic index that meets the at least one phonetic search criterion and the source criteria in light of the association of the corresponding one of the plurality of sources with the phonemes in the sequence of phonemes, such that the matching portion of the phonetic index corresponds to a source identified by the source criteria.