Spectrogram

When we perform Notey and Noisy: A Sound Science Mathemusical, we project a spectrogram of all the sound we're making: A spectrogram is a picture of sound produced by a spectrograph. We suggest that while you listen to the album of the show, you watch the spectrogram of it. You have a few options: The simplest is to use the online one, https://academo.org/articles/spectrogram with the mic enabled. Slightly more complex, but a better picture, is to upload the files, track by track, as you listen.