Example ACX report
This is what you get back.
A real Greenlit diagnostic — a 9-point ACX compliance check run on an illustrative file. Switch the submission type to see the spec each one is measured against.
Diagnostic complete
Not ACX-ready — yet
4 issues stand between this file and ACX approval — all fixable automatically, no re-recording.
3
Fail
1
Warn
5
Pass
Your file vs ACX Audiobook spec
| Check | Your file | Required | Status |
|---|---|---|---|
| True Peak | -1.80 dBFS | ≤ -3 dBFS | fail |
| Noise Floor | -54.20 dBFS | ≤ -60 dBFS | fail |
| Channel Format | Stereo | Mono (preferred) | warn |
| Head Room Tone | 0.40s | 0.5 – 5.0s (1s+ recommended) | fail |
| Chapter Length | 39.0 min | ≤ 120 min | pass |
| RMS Loudness | -18.30 dBFS | -23 to -18 dBFS | pass |
| Sample Rate | 44100 Hz | 44,100 Hz | pass |
| Bit Rate | 192 kbps MP3 | 192 kbps MP3 or WAV | pass |
| Tail Room Tone | 2.30s | 1.0 – 5.0s | pass |
Clicks and mouth noise aren't part of the spec check
They don't show up in the checks above, but ACX's human reviewers will catch them. Processing finds and repairs them automatically before export.
Fix this file automatically
Analysis is always free · processing from $12. Sign up to process — your first 3 files (up to 60 min) are free and deliver the mastered MP3; WAV masters come with any pack.
~42 credits · 3 free files
This is an illustrative example · Check your own file