4th International Conference on Spoken Language Processing

Philadelphia, PA, USA
October 3-6, 1996

A Simple Architecture for using Multiple Cues in Sound Separation

William S. Woods, Martin Hansen, Thomas Wittkop, Birger Kollmeier

AG Medizinische Physik, Carl von Ossietzky-Universitšt Oldenburg, Germany

The present work concerns a system aimed at enhancing a target talker under varying signal conditions based on the use of several different types of information or \cues". Toward this end, an architecture designed to combine separately operating estimators is described and evaluated. The architecture is currently implemented using spatial- and periodicity-based enhancement algorithms, and evaluated using a male target talker and female jammer talker under several spatial and target-to-jammer ratio (TJR) conditions. Using a TJR estimation algorithm, the implementation is shown to yield improved TJR under all tested input TJRs (-4, 0, 4, and 8 dB) and spatial conditions (target and jammer straight ahead; target ahead and jammer at 60 degrees). Improvement ranges from 1.4 to 4.5 dB.

Full Paper

Bibliographic reference.  Woods, William S. / Hansen, Martin / Wittkop, Thomas / Kollmeier, Birger (1996): "A simple architecture for using multiple cues in sound separation", In ICSLP-1996, 909-912.