Audiobook Production Audio Editing and Post-Production

Question 1

What is the ACX requirement for peak audio levels in a finished audiobook?

Accepted Answer

-3 dB or lower

Answer

-6 dB or lower

Answer

0 dB

Answer

+3 dB

Question 2

What is the ACX requirement for average RMS (loudness) in a delivered audiobook?

Accepted Answer

-18 to -23 dB RMS

Answer

-10 to -14 dB RMS

Answer

-30 to -35 dB RMS

Answer

-5 to -8 dB RMS

Question 3

What does a 'noise gate' do during audiobook post-production?

Accepted Answer

Silences audio that falls below a set threshold

Answer

Boosts signal when voice is present

Answer

Removes plosive sounds from the recording

Answer

Equalizes the frequency response of the track

Question 4

What is 'de-essing' in audiobook audio post-production?

Accepted Answer

Reducing harsh sibilant 's' and 'sh' sounds

Answer

Removing mouth click sounds

Answer

Cutting low-frequency rumble from recordings

Answer

Normalizing the overall loudness of the track

Question 5

What is the standard room tone requirement at the beginning and end of each audiobook chapter per ACX guidelines?

Accepted Answer

5 seconds of room tone

Answer

0.5 seconds of silence

Answer

1 second of room tone

Answer

No room tone is required

Question 6

Which type of equalizer cut is commonly applied to audiobook narration to remove low-frequency rumble?

Accepted Answer

High-pass filter below 80–100 Hz

Answer

Low-pass filter above 10 kHz

Answer

Bell cut at 1 kHz

Answer

Shelf boost above 8 kHz