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An Alarm for Sound Quality Degradation on Unstable Communication Channels
Kenichi AKASAKA Satoshi TAKAHASHI Kenji ISHIDA
B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2007/10/01
Online ISSN: 1881-0209
Print ISSN: 1344-4697
Type of Manuscript: LETTER
communication quality, QoE (Quality of Experiments), hearing impression, subjective assessment,
Full Text(in Japanese): PDF(604.9KB)
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This paper proposes a method which notifies deterioration in the sound data of the audience in advance for reducing their unpleasantness. The effects of the method are clarified by subjective evaluations. The experimental evaluation showed that the use of the Light Alarm, which changes colors form green to red for showing the degradation, is an effective way to present the degradation information in advance.