... Technology{igorm,malex,regina,glass}@csail.mit.eduAbstractWe address the task of unsupervised topic segmentation of speech data operating over raw acoustic information. In contrast to ex-isting algorithms for topic segmentation of speech, our approach ... of Acoustic ComparisonMatrixThe goal of this step is to construct an acoustic com-parison matrix that will guide topic segmentation. This matrix encodes variations in the distribution of acoustic ... LinguisticsMaking Sense of Sound: Unsupervised Topic Segmentation over Acoustic InputIgor Malioutov, Alex Park, Regina Barzilay, and James GlassMassachusetts Institute of Technology{igorm,malex,regina,glass}@csail.mit.eduAbstractWe...