2d Array Rotation Python generates & rotates counter clockwise the grid, angular shows the magic!.

The reason it's 2D is that it's a stereo file. Stereo files have two channels, hence two columns. If you don't need the second channel, you can discard it with regular numpy commands, such as audio = ...

Learn how this popular Python library accelerates math at scale, especially when paired with tools like Cython and Numba.