Elderly viewers sometimes feel that background sound (music and sound effects) in TV programs is too loud, or that narration or speech is too fast to understand. That is why we have constructed a prototype system that compensates for both of these problems with sound on the receiver side. The results of evaluation experiments targeting elderly viewers showed that the use of this system could make it significantly easier to listen to TV sound. These results also showed that elderly viewers exhibit the "recruitment phenomenon." They tend to select processing with a slowed speech rate that is easy to hear.

Authors: Komori, Tomoyasu; Imai, Atsushi; Seiyama, Nobumasa; Takou, Reiko; Takagi, Tohru; Oikawa, Yasuhiro
Affiliations: NHK Engineering System, Inc., Setagaya-ku, Tokyo, Japan; Waseda University, Shinjuku-ku, Tokyo, Japan(See document for exact affiliation information.)
AES Convention: 137 (October 2014) Paper Number: 9167
Publication Date: October 8, 2014
Subject: Applications in Audio

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