Acoustics masters Lecture Series

Mastering Speech Intelligibility

A Comprehensive Exploration of the Definition, Measurement, and Techniques

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Webinar overview
Speech intelligibility is a crucial aspect of effective communication, yet it can be challenging to measure and quantify. Join this webinar to gain a solid understanding of its definition, history, and the various methods employed to measure and quantify it.

During this informative session, we will discuss both subjective and objective testing methods, highlighting the advantages of objective testing in providing reliable and accurate assessments of speech intelligibility. We will focus on the Speech Transmission Index (STI), the gold standard in speech intelligibility measurement, and introduce you to the latest STI measuring tools that have emerged in the industry.

Meet the Speaker

Dr. Sander van Wijngaarden

Sander van Wijngaarden obtained his Masters degree in applied physics from the Delft University of Technology in 1996. His specialization was Perceptual Acoustics. Sander then joined the Speech & Hearing group at TNO, where he worked on a broad range of R&D projects, mostly on hearing protection and speech intelligibility. He obtained his PhD from the Free University of Amsterdam in 2002. His PhD thesis ("The intelligibility of non-native speech") is based on work done at TNO.
After gaining experience as a project manager for several years, Sander was appointed team leader of the Speech & Hearing group in 2002. He took on a new challenge in 2006, when he joined a different division of TNO as a Business Developer. In 2007 Sander was appointed Department Manager in the Chemical and Biological protection department. Sander finally decided to leave TNO to co-found Embedded Acoustics in 2010, returning to his technological roots. He continued to found Bedrock Audio, now a leading manufacturer of acoustic measuring equipment. Apart from the day-to-day management of his companies, Sander is also very involved in scientific and technical work related to new product development.

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