3. The method of claim 2 , wherein identifying the second quantity of projections based on the highly fragmented non-speech meta-data further comprises using tree-based clustering to identify the non-speech meta-data projections.
2. The method of claim 1 , wherein identifying the second quantity of projections based on the highly fragmented non-speech meta-data further comprises using divisive likelihood-based techniques to identify the non-speech meta-data projections.