This paper describes a single acoustic–channel speech enhancement, utilizing an auxiliary non-acoustic sensor. Unlike classical algorithms, which make use of the knowledge from acoustic signal alone, the glottal correlation (GCORR) algorithm takes advantage of non-acoustic throat sensors such as the general electromagnetic motion sensor (GEMS). The non–acoustic sensor provides a measure of the ...

Information on relations between separate parts of an utterance can be used to improve the performance of speech recognition systems. In this paper, examples of relations are discussed and some measured data on phone pair correlation is presented. In addition to relations between acoustic events in an utterance, it is also possible to represent relations between acoustic and non-acoustic inform...

LONG-TERM GOALS • To evaluate feasibility and determine physical limits of performance of a passive acoustic system for characterization of a time-varying ocean where ambient acoustic noise is utilized as a probing signal. • To develop a passive remote sensing technique for acoustic characterization of oceanic currents. OBJECTIVES 1. To demonstrate theoretically emergence of the deterministic G...

An original model based on first principles is constructed for the temporal correlation of acoustic waves propagating in random scattering media. The describes dynamics wave fields a previously unexplored, moderately strong (mesoscopic) regime, intermediate between those weak scattering, one hand, and diffusing waves, other. It shown that by considering vector as free parameter can vary at will...

Time-delay estimation technique is a key to acoustic temperature field measurement. In order to acquire a stable acoustic time-of-flight in low SNR, a time-delay estimation method combined multilayer cross-correlation and multilayer auto-correlation (MC method for short) is proposed. Crosscorrelation method and second correlation method are described briefly for comparison. Theory analysis and ...