The Mystery Sounds by Democrat and Chronicle published on 2018-05-31T17:44:57Z 1. The first recording was made at 12:30 a.m. on November 30 by a resident who lives at the southern edge of the neighborhood. He used a digital camera to capture the sound, which can be heard faintly here. (Headphones recommended) 2. The November audio was analyzed by University Rochester professor Ming-Lun Lee, who extracted and enhanced the audio to reveal a conspicuous tone with a frequency of about 315 hertz. 3. The third sound file is a recording made at 12:30 a.m. on May 1 in the central part of the neighborhood. This is Lee’s enhanced version of an obvious 315-hertz tone. 4. The fourth recording was made on May 7 at 7:40 p.m. in the central part of the neighborhood. This is Lee’s enhanced version of an obvious 315-hertz tone. Genre Electronic Contains tracks November 2017 Drone Recording (Raw Audio) by Democrat and Chronicle published on 2018-05-31T17:44:56Z November 2017 Drone Recording (Enhanced Audio) by Democrat and Chronicle published on 2018-05-31T17:44:54Z May 1 Drone Recording (Enhanced Audio) by Democrat and Chronicle published on 2018-05-31T17:44:53Z May 7 Drone Recording (Enhanced Audio) by Democrat and Chronicle published on 2018-05-31T17:44:51Z July 11 Second Droning Sound Recording(Enhanced Audio) by Democrat and Chronicle published on 2018-07-23T14:50:01Z
November 2017 Drone Recording (Raw Audio) by Democrat and Chronicle published on 2018-05-31T17:44:56Z
November 2017 Drone Recording (Enhanced Audio) by Democrat and Chronicle published on 2018-05-31T17:44:54Z
July 11 Second Droning Sound Recording(Enhanced Audio) by Democrat and Chronicle published on 2018-07-23T14:50:01Z