Video Editing Audio Editing and Mixing 3

Question 1

What does '5.1 surround sound' refer to?

Accepted Answer

Five full-range channels plus one subwoofer channel

Answer

Five stereo channels and one mono channel

Answer

Six identical audio channels

Answer

Five speakers plus one center channel

Question 2

What is 'audio ducking' in video production?

Accepted Answer

Automatically lowering background music when dialogue is present

Answer

Removing audio from a clip

Answer

Boosting quiet audio signals

Answer

Syncing multiple audio tracks

Question 3

What is a 'noise floor' in audio recording?

Accepted Answer

The ambient level of background hiss and noise in a recording system

Answer

The maximum level before distortion

Answer

The frequency range of a microphone

Answer

The sample rate of digital audio

Question 4

What does 'sample rate' determine in digital audio?

Accepted Answer

How many times per second the audio waveform is measured and captured

Answer

The loudness of the audio signal

Answer

The bit depth of each sample

Answer

The number of audio channels

Question 5

What is the standard sample rate used for professional video audio?

Accepted Answer

48,000 Hz

Answer

22,050 Hz

Answer

44,100 Hz

Answer

96,000 Hz

Question 6

What is 'foley' in film and video post-production?

Accepted Answer

Custom sound effects created in sync with the film action by a foley artist

Answer

Background music added in post

Answer

Automated dialogue replacement

Answer

Environmental audio recorded on location