Before & After
Same track, two analyses. See exactly what fixes transformed this mix from 42/100 to 87/100.
Before
42
Grade F
LUFS-7.2
True Peak-0.1 dBTP
Crest Factor3.8 dB
Low-Mid (300Hz)+8 dB
High (4kHz)+5 dB
Stereo WidthNarrow
After
87
Grade A
LUFS-14.0
True Peak-1.5 dBTP
Crest Factor8.2 dB
Low-Mid (300Hz)+2 dB
High (4kHz)+1 dB
Stereo WidthWide
The 4 Fixes That Changed Everything
1
Removed mix bus limiter — The limiter was crushing transients, giving 3.8 dB crest factor. Removing it instantly brought dynamics back to 8.2 dB. LUFS dropped from -7.2 to -14.0 (perfect for streaming). This single fix added 25 points to the Mix Score.
2
Cut 300 Hz by 4 dB on rhythm guitars — The low-mid buildup was +8 dB above neighboring frequencies. A 4 dB cut on the guitar bus (the main offender) brought it to +2 dB. The mix instantly sounded clearer. +12 points.
3
De-essed vocals and cut 2 dB at 4 kHz — The harshness in the 2-5 kHz range was making the mix fatiguing. De-essing the vocal + a gentle 2 dB cut at 4 kHz on the mix bus fixed it. +5 points.
4
Widened stereo field — Panned guitars wider (L40/R40), kept vocals and kick centered. Added subtle stereo width to the synth pad. Mono compatibility checked and verified. +3 points.
The entire transformation took about 45 minutes. The producer had been mixing for 6 hours and couldn't figure out why the mix sounded "small." The MixDiagnose analysis identified the 4 issues in seconds — each with specific frequency ranges and fix recommendations.
This is the value of objective analysis: when your ears have adapted, the numbers tell you what you can't hear anymore.
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