CPI Audio & Video Evidence Review 2

Question 1

When reviewing IR (infrared) video footage, which artifact is most commonly mistaken for a paranormal anomaly?

Accepted Answer

Dust particles reflecting IR light (orbs)

Answer

Dust particles in close proximity to the IR illuminators reflect light and appear as bright floating orbs, the most common camera artifact misidentified as paranormal.

Question 2

What is the primary purpose of using a digital voice recorder with a built-in noise-reduction feature during EVP sessions?

Accepted Answer

To reduce background hiss so faint anomalous voices are more audible

Answer

Noise reduction lowers the ambient hiss floor, making any anomalous sounds stand out more clearly against the background.

Question 3

A Class B EVP is best described as:

Accepted Answer

A voice that is audible but requires some audio enhancement and may not be agreed upon by all listeners

Answer

Class B EVPs are audible without major processing but are not universally agreed upon; they occupy the middle tier of the EVP classification system.

Question 4

Which video review technique helps investigators determine whether a moving anomaly is on the camera lens versus actually in the room?

Accepted Answer

Checking whether the anomaly moves in relation to fixed background objects

Answer

An anomaly on the lens will not move relative to the fixed background, whereas something genuinely in the room will shift position against background reference points.

Question 5

What does 'gain staging' mean in the context of EVP audio review?

Accepted Answer

Setting each amplification stage so that signals are boosted without introducing clipping distortion

Answer

Gain staging is the process of managing volume levels at each step in the audio chain to maximize signal quality while preventing clipping or excessive noise.

(CPI) Certified Paranormal Investigator Practice Test

(CPI) Certified Paranormal Investigator Practice Test

CPI Audio & Video Evidence Review 2