https://mathweb.ucsd.edu/~fan/hear/index.html

Can you hear the shape of a graph?

Designed by Rob Ellis
+------------------------------------------------------------------+
|hypercube 1     |hypercube 1     |Play eigenvalue scale           |
|                |                |Play eigenvalue chord           |
|----------------+----------------+--------------------------------|
|hypercube 1     |hypercube 1     |Play eigenvalue scale           |
|                |                |Play eigenvalue chord           |
|----------------+----------------+--------------------------------|
|----------------+----------------+--------------------------------|
|----------------+----------------+--------------------------------|
|hypercube 1     |hypercube 1     |Play eigenvalue scale           |
|                |                |Play eigenvalue chord           |
|----------------+----------------+--------------------------------|
|hypercube 1     |hypercube 1     |Play eigenvalue scale           |
|                |                |Play eigenvalue chord           |
|----------------+----------------+--------------------------------|
|hypercube 1     |hypercube 1     |Play eigenvalue scale           |
|                |                |Play eigenvalue chord           |
|----------------+----------------+--------------------------------|
|hypercube 1     |hypercube 1     |Play eigenvalue scale           |
|                |                |Play eigenvalue chord           |
|----------------+----------------+--------------------------------|
|hypercube 1     |hypercube 1     |Play eigenvalue scale           |
|                |                |Play eigenvalue chord           |
|----------------+----------------+--------------------------------|
|hypercube 1     |hypercube 1     |Play eigenvalue scale           |
|                |                |Play eigenvalue chord           |
|----------------+----------------+--------------------------------|
|hypercube 1     |hypercube 1     |Play eigenvalue scale           |
|                |                |Play eigenvalue chord           |
|----------------+----------------+--------------------------------|
|hypercube 1     |hypercube 1     |Play eigenvalue scale           |
|                |                |Play eigenvalue chord           |
|----------------+----------------+--------------------------------|
|hypercube 1     |hypercube 1     |Play eigenvalue scale           |
|                |                |Play eigenvalue chord           |
|----------------+----------------+--------------------------------|
|hypercube 1     |hypercube 1     |Play eigenvalue scale           |
|                |                |Play eigenvalue chord           |
|----------------+----------------+--------------------------------|
|hypercube 1     |hypercube 1     |Play eigenvalue scale           |
|                |                |Play eigenvalue chord           |
+------------------------------------------------------------------+