a line going down over time on a spectrogram
https://chaos.social/system/media_attachments/files/108/882/557/231/729/493/original/4abad973e9689204.png
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.