An analyzer plots a track's averaged EQ curve so you can compare tonal balance visually

Beyond listening, a spectrum tool (e.g. iZotope Tonal Balance Control) analyzes audio and displays its long-term averaged EQ curve, so you can compare your mix’s tonal balance against a reference visually rather than only by ear. Capture the reference’s curve as a saved “thumbprint,” then read your own mix’s curve against it to see whether you have too much low-mid buildup, a lack of air, or a low end that drops in and out (which shows as a diffused curve). You can even isolate a section — e.g. a sparse reference’s vocal-only moments — capture that curve, and apply it to your own vocal tracks via Neutron. The visual comparison supplements ear training: it surfaces discrepancies that are hard to hear in isolation.

Examples

Load a reference into Tonal Balance Control, play the drop, and observe the curve; then play the same section of your mix. A large gap in the 60–120 Hz range suggests your kick and bass need more energy there. A bass that drops in and out reads as a diffused low-end curve rather than a steady band.

Assessment

Describe two things a visual EQ-curve comparison reveals that are hard to hear by ear alone, and name one thing ear-listening reveals that the visual comparison does not.