Oscilador con sonidos

https://hackaday.com/2015/02/04/logic-noise-sweet-sweet-oscillator-sounds/

Software para visualizar onda:

https://xoscope.sourceforge.net/ pues mira esto
https://wiki.linuxaudio.org/apps/categories/scopes
https://web.archive.org/web/20191130012621/http://linux-sound.org/scopes.html

Web para onda (senoidal, cuadrada, diente de sierra, ruido, etc.)

Visualizador de ondas (guapísimo): https://learningsynths.ableton.com/en/playground
https://learningmusic.ableton.com/es/index.html

Recolecta de ficheros PDF:

https://drive.google.com/file/d/14No1noL037Lp5Li_862OCN8a1JxGbFJM

Sintetizadores online en Javascript