What audio quality are the files?

BookyAI Audio •1 min read •32 views •Updated Jul 2, 2026

192 kbps MP3, mastered to retail specification: loudness at −20 dB RMS, peaks limited to about −3 dB, and a noise floor far below the required threshold. These are the exact numbers audiobook stores check during review.

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A render failed halfway. ACX rejected my BookyAI Audio files with "RMS is too low. Raise the level of this file X dB", although the app showed the RMS inside the range. What should I do? After updating to v1.6.3, my first audio render is re-doing all chapters. Why? Are the introduction, prologue, appendices etc. narrated?

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