£35.00
Audiobook Mastering Only (ACX Specs).
For audiobooks that are already fully edited and debreathed. We apply light denoise where appropriate, master dialogue for clear playback on headphones, smart speakers, and car systems, correct loudness to audiobook standards, and deliver files ready to publish. No real-time editorial listen or error fixes are included.
Select our next available start date and enter your Total Finished Hours.
Pricing (per finished hour)
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1–5 hours: £35/hour
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6–30 hours: £25/hour (automatic volume pricing)
Please round up your audiobook length. Example: 2h 20m → 3 Finished Hours.
After checkout you’ll be redirected to the Upload page.
Delivery (you book a START date): mastering is completed within 72 hours of your start date.
We confirm the exact hand-off in your WorkTracker after booking.
Live availability, capacity-limited. Choose a start date to reserve your slot; confirmation follows instantly by email.
Description
What this service covers
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Technical mastering of dialogue that has already been fully edited and debreathed
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Light broadband denoise if required (no heavy restoration)
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EQ & dynamics for a consistent, natural tone across chapters
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True-peak control and translation checks across common devices
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Loudness set to audiobook streaming platform targets
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Manual mastering engineering
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Delivery ready to publish
ACX clarification — the “last hurdle”
This service takes already-edited material over the last technical hurdle (mastering & loudness correction).
If ACX later flags editing issues (misreads, repeats, pacing, missing audio), those are outside scope and will require a separate custom job.
What is not included
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Real-time listen-through for performance or pacing
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Editing of mistakes, retakes, timing changes, or debreathing
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Click/pop/mouth-noise cleanup beyond light touch-ups
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Heavy restoration of noisy or damaged recordings
Source requirements
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Audio must be fully edited and debreathed before ordering
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Prefer one mic / one room for consistency
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Supply WAV 44.1 kHz (24-bit recommended)
How to order
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Pricing: £35/hour ( 6+ hours = £25/hour automatically)
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Choose your start date, then enter Total Finished Hours (round up)
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Example: 2h 20m → 3hr
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Pay in full to confirm your studio booking
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After checkout you’ll be redirected to the Upload page to send chapters
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We’ll confirm the delivery window (within 72 hours of your start date) in your WorkTracker
Best for
Narrators and publishers with clean edits who need fast, standards-compliant mastering to reach ACX technical targets.