A/B Audio Comparison — Before & After Mastering Analysis

Compare your original and mastered audio side by side with up to 10 real-time visualizations. LOUDCRAFT uses volume-matched playback to ensure a fair comparison — hear exactly what the mastering engine improved in your mix.

Available Visualizations

  • Waveform overlay — See the volume and dynamics difference after mastering
  • Spectrum analyzer — Compare the tonal balance of your mastered track
  • Spectrogram — Time-frequency visualization showing mastering changes over time
  • Vectorscope — See how the Spatial Engine widened your stereo image
  • LUFS timeline — Integrated loudness comparison of original vs mastered
  • Mastering Radar — Professional mastering radar visualization (Pro/Studio)
  • Mid/Side Spectrum — Center vs sides frequency content (Pro/Studio)
  • 3D Waterfall — Three-dimensional spectrum analysis (Studio)
  • Parametric EQ — 8-band EQ analysis overlay (Studio)
  • Loop region — Compare specific sections of your mastered track (Studio)

Blind A/B Test — Professional Verification

The blind A/B test hides which version is original and which is mastered. If you can't tell the difference, your mix was already excellent. Full transparency in your mastering results.