Signal Processing Course Juha Vierinen

Audio FFT compression

Course book · Audio Compression Example · page 98 ↗
QR code for this demonstration
Starting local Python WebAssembly…

Python

Pyodide + NumPy · runs locally

Original waveform

Full waveform

Original spectrum

90% removed

Full waveform

Retained spectrum

Für Elise · 4.9 s mono · 44.1 kHz — coefficients retained Estimated reduction — SNR — —