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The Sound Ledger
What an audiobook truly costs is measured in hours at the microphone and hours at the desk. Lay the manuscript down and the ledger will count them: runtime to the second, days in the booth, files to deliver, and the exact specification retail will demand of you.
Lay it down
Finished runtime
9h 41m 49s
90,000 words at 155 words — 800 characters — to the finished minute, credits included.
Booth days
4
Raw hours
15.5
Desk hours
29.1
What must be delivered
The specification retail demands
Loudness
−23 to −18 LUFS integrated
Peak ceiling
−3 dBTP, never clipped
Noise floor
quieter than −60 dBFS
Master format
44.1 kHz · 24-bit WAV, mono
Delivery format
192 kbps CBR mp3, mono
Room tone
0.5 s head · 1 to 5 s tail per file
File ceiling
120 minutes per file
Required files
opening credits, body, closing credits
Estimates on standard retail audio requirements. Nothing you type here is uploaded, stored or seen by this house.
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