Abstract
This is a historical look at the contributions to the field of acoustical signal processing which originated under the nurture of F. V. Hunt at the Harvard Acoustics Research Laboratory. The early research is highlighted by the work of Faran and Hills on the use of correlators for space–time processing. This early work was followed by research in the use of multiple element arrays and by the development of real‐time processors for correlation and beamforming applications. The impact of these contributions can be seen in the expanding field of signal‐processing research today. Upon retirement, Hunt transferred the pursuit of his last research interest, ’’Sir Transit Sonitus’’—a ship transit detector, to the Marine Physical Laboratory, where a real‐ocean investigation of the technique is currently underway.
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