2. The method of claim 1 , further comprising identifying the number of times the speakers have spoken about the topic in the audio speech file by searching the associated speaker segments for a set of terms associated with the topic, wherein terms in the set of terms are scored according to a probability that the terms indicate an expertise in the topic, and wherein a combined score associated with the set of terms indicates the expertise in the topic when a scoring threshold is reached.
2. The method of claim 1 , further comprising identifying the number of times the speakers have spoken about the topic in the audio speech file by searching the associated speaker segments for a set of terms associated with the topic, wherein terms in the set of terms are scored according to a probability that the terms indicate an expertise in the topic, and wherein a combined score associated with the set of terms indicates the expertise in the topic when a scoring threshold is reached. 3. The method of claim 2 , wherein the set of terms indicates expertise in at least one of a plurality of topics when the combined score reaches a respective scoring threshold associated with the plurality of topics.