Title :
Instrumentation generating speech spectrograms optically: Coherent optics speeds analysis of speech samples; it´s five times faster than older methods
Author_Institution :
Wayne State Univ., Deitroit, MI, USA
Abstract :
The optical technique used in the speech spectrogram generator described here permits the analysis of signals having frequency components within the ultrasonic or very-low-frequency ranges, and the system is capable of examining large amounts of data continuously throughout the processing.
Keywords :
speech analysis; analysis of signals; optical technique; speech spectrogram generator; Modulation; Optical films; Optical imaging; Optical recording; Spectrogram; Speech;
Journal_Title :
Spectrum, IEEE
DOI :
10.1109/MSPEC.1975.6368707
