Recent Advances in Robust Speech Recognition Technology

Recent Advances in Robust Speech Recognition Technology

Indexed in: Scopus

This E-book is a collection of articles that describe advances in speech recognition technology. Robustness in speech recognition refers to the need to maintain high speech recognition accuracy even ...
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Voice Activity Detection Using Contextual Information for Robust Speech Recognition

Pp. 30-45 (16)

J. Ramirez and J. M. Gorriz

Abstract

Emerging applications in the field of speech processing are demanding increasing levels of performance in noise adverse environments. These systems often require a noise reduction scheme working in combination with a precise voice activity detector (VAD). This chapter shows an overview of the main challenges in robust speech detection and a review of the state of the art and applications. Experimental results show the effectiveness of VADs using contextual information when compared to recently reported algorithms.

Keywords:

Voice activity detection, contextual information, robust speech recognition, speech enhancement.

Affiliation:

Department of Signal Theory, Networking and Communications, University of Granada, Spain