videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including 東京都渋谷区防災無線定時チャイム 17時, 埼玉県三郷市防災無線定時チャイム 18時(夏季), 埼玉県比企郡小川町防災無線定時チャイム 16:30(2月,10月)