Audio Mining: Unsupervised Spoken Term Detection over an Audio Database. - Kishore Kumar Ravi; Sandipan Sarkar; Pradeep Rengaswamy; K. Sreenivasa Rao (ICACCI, 2018)

A robust unsupervised pattern discovery and clustering of speech signals. - Kishore Kumar Ravi; Lokendra Birla; K. Sreenivasa Rao (Pattern Recognit. Lett., 2018)

A novel approach to unsupervised pattern discovery in speech using Convolutional Neural Network. - Kishore Kumar Ravi; K. Sreenivasa Rao (Comput. Speech Lang., 2022)

Phoneme Segmentation-Based Unsupervised Pattern Discovery and Clustering of Speech Signals. - Kishore Kumar Ravi; Krothapalli Sreenivasa Rao (Circuits Syst. Signal Process., 2022)