Convolution: The secret behind filtering Why does filtering work? What enables us to enhance the bass in our audio players?... Posted by Jan Wilczek on June 20, 2020 · 9 mins read
Creating the slow motion audio effect: variable speed replay algorithm. Do you remember the slowdown of time in “Inception”? Or the “bullet time” in “The... Posted by Jan Wilczek on December 16, 2019 · 14 mins read
What is aliasing? What causes it? How to avoid it? Posted by Jan Wilczek on November 28, 2019 · 9 mins read
How to represent digital sound? Sampling, sampling rate, quantization. To process the audio signal, we need to somehow represent it on our machine. Several... Posted by Jan Wilczek on November 19, 2019 · 9 mins read