Supplementary videos#

Chapter 1: Introduction to Systems and Signals#

Learn more about the systems approach.

Learn more about the LIDAR example.

An example: speech synthesis from neural decoding of spoken sentences.

Noise reduction on “O’sole mio”.

Learn more about the symmetric decorations of the Alhambra Palace.

Learn more about the symmetric art of Escher.

Learn more about the mathematics of symmetry.

Learn more about the Euler number.

Euler’s formula explained in simple group theory.

Chapter 2: Basic Building Blocks of Signals#

Learn more about the Euler formula, which explains complex exponential as rotation.

Visualization of continuous time complex exponential.

Learn more about the fundamental frequency and its harmonics in music.

Chapter 3: Basic Building Blocks and Properties of Systems#

Learn more about how signal travels through a neuron.

Chapter 4: Representation of Linear Time Invariant Systems by Impulse Response and Convolution Operation#

Learn more about the impulse response and the acoustics of instruments.

Chapter 5: Representation of LTI Systems by Differential and Difference Equations#

Learn more about differential equations.

Chapter 6: Fourier Series Representation of Continuous Time Periodic Signals#

Learn more about the life of J. B. Fourier.

Representation of a complicated function by superposition of harmonically related complex exponentials.

Learn more about the Fourier series.

Learn more about vector spaces.

Learn more about the Hilbert space and inner products.

Chapter 7: Fourier Series Representation of Discrete Time Periodic Signals#

Learn more about the Fourier series and the frequency spectrum.

Chapter 8: Continuous Time Fourier Transform and Its Extension to Laplace Transform#

A visual introduction to Fourier Transform.

Listen to Maria Callas, Luciano Pavarotti and others to see examples of different human voice bandwidths.

The sound of sine waves and their Fourier transforms.

Learn more about the Euler’s identity.

Chapter 9: Discrete Time Fourier Transform and Its Extension to z-Transforms#

Listen to the sounds of periodic functions.

Noise reduction using the Fourier transform.

Chapter 10: Linear Time Invariant Systems as Filters#

Learn more about the effect of different types of filters on music signals.

Learn more about designing a notch filter.

Chapter 11: Continuous Time Sampling#

Learn more about aliasing.

Chapter 12: Discrete Time Sampling and Processing#

Learn more about Claude Shannon, a hero of the digital revolution.