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Convention Paper

Intelligibility of Cinema & TV Sound Dialogue

Authors: Mapp, Peter

AES Convention 141 · Paper 9632 · September 2016

Abstract

In recent years there has been a significant increase in the number of complaints concerning the dialogue intelligibility of both movie sound tracks and TV productions—both in Europe and the USA. The paper reviews the background to dialogue intelligibility and looks at a number of mechanisms that may be responsible for the growing trend of dissatisfaction. The transmission chain is reviewed and new measurements and data concerning domestic listening conditions are presented. The results of a pilot measurement program show that in-situ frequency response of the TV systems, operated by many domestic listeners, is far from ideal with response variations of 10–15 dB being common. Unique Speech Transmission Index (STI) and Clarity data are presented that suggest that the room acoustic conditions of the listening environment should not, in themselves, significantly degrade the received signal.

Details

Published in
AES Convention 141
AES Convention
141
Paper number
9632
Publication date
September 6, 2016
Session subject
Cinema Sound & Forensic Audio
Affiliation
Peter Mapp Associates, Colchester, Essex, UK (See document for exact affiliation information.)
Type
Convention Paper