Voice Over Audiobook Narration

Question 1

What is the required noise floor level for audiobook submissions on ACX (Audiobook Creation Exchange)?

Accepted Answer

-60 dBFS or lower

Answer

-40 dBFS or lower

Answer

-80 dBFS or lower

Answer

-20 dBFS or lower

Question 2

In audiobook production, what does the abbreviation 'PFH' stand for?

Accepted Answer

Per Finished Hour

Answer

Pre-Formatted Hour

Answer

Professional File Header

Answer

Post-Final Hour

Question 3

What is the ACX-required RMS (root mean square) loudness range for audiobook audio files?

Accepted Answer

-23 to -18 dB RMS

Answer

-12 to -6 dB RMS

Answer

-30 to -25 dB RMS

Answer

-40 to -35 dB RMS

Question 4

Which Amazon-owned platform serves as the primary marketplace for independent audiobook production and distribution?

Accepted Answer

ACX (Audiobook Creation Exchange)

Answer

Findaway Voices

Answer

Libro.fm

Answer

Downpour

Question 5

What does 'room tone' mean in the context of audiobook narration?

Accepted Answer

A silent recording of the ambient sound in the recording space

Answer

The EQ applied to simulate studio acoustics

Answer

The reverb setting used during audio mastering

Answer

Background music mixed beneath the narration

Question 6

What file format does ACX require for final audiobook submissions?

Accepted Answer

MP3 at 192 kbps CBR or higher

Answer

WAV 24-bit/96kHz

Answer

FLAC 16-bit/44.1kHz

Answer

AAC at 256 kbps

Question 7

When narrating fiction audiobooks with multiple characters, what is the narrator's primary responsibility regarding character voices?

Accepted Answer

Create distinct, consistent vocal qualities to differentiate each character

Answer

Always use regional accents for each character

Answer

Apply pitch-shifting software in post-production

Answer

Record each character's lines in separate isolated sessions