Subjective listening test scores: Mean quality rating of 2.3/5 (poor to fair), with 80% of listeners preferring even a simple 200 Hz high-pass filter over Audacity’s output for instrumental listening.
Audacity’s vocal remover operates by converting a stereo track into a mid-side (M-S) representation:
Three 30-second stereo tracks (44.1 kHz, 16-bit) were selected:
[Generated for illustrative purposes] Affiliation: Digital Audio Signal Processing Lab Date: April 14, 2026