This page indexes the example audio samples referenced in the paper "Audio Restoration" by Joseph Nuzman. The audio files are provided as mono 16 bit 44.1 kHz standard WAV files.

Click Removal Examples

Artificial noise
Click detection threhold=5, pulse spread=2 before after pristine
Click detection threhold=3, pulse spread=4 before after pristine

Real noise
Two male vocalists before after
Horns, drums, percussion before after
Male vocalist, guitar, trombone before after
Female vocalist, guitar before after

Hiss Reduction Examples

Artificial noise
Ideal zero-phase filter before after pristine
Wiener filter before after pristine
Wiener filter (alpha=5, beta=0.1) before after pristine
Ephraim and Malah filter before after pristine
Ephraim and Malah filter (Rmin=0.06) before after pristine
Ephraim and Malah filter (q=0.2) before after pristine
Ephraim and Malah filter (q=0.2, Rmin=0.016) before after pristine

Real noise
Female vocalist before after
Female and male vocalists before after