@article{3556b57300e94f68b53b1887c3475ba8,
title = "A study of microphone system for hands-free teleconferencing units",
keywords = "Echo cancel, Hands-free, Multi-microphone, Phase shifter, Teleconferencing unit",
author = "Akira Nakagawa and Suehiro Shimauchi and Shoji Makino",
year = "2000",
doi = "10.1250/ast.21.33",
language = "English",
volume = "21",
pages = "33--35",
journal = "Journal of the Acoustical Society of Japan (E) (English translation of Nippon Onkyo Gakkaishi)",
issn = "1346-3969",
publisher = "Acoustical Society of Japan",
number = "1",
}