DJ Audio Effects and Signal Processing

Question 1

What does EQ stand for in DJ mixing?

Accepted Answer

Equalizer

Answer

EQ stands for Equalizer, a tool used to boost or cut specific frequency ranges in the audio signal.

Question 2

Which frequency range does the bass EQ knob typically control on a DJ mixer?

Accepted Answer

20 Hz – 200 Hz

Answer

Bass frequencies generally fall between 20 Hz and 200 Hz, covering kick drums, sub-bass, and low-end rumble.

Question 3

What does a high-pass filter (HPF) do to an audio signal?

Accepted Answer

Allows only high frequencies to pass through while cutting lows

Answer

A high-pass filter lets frequencies above the cutoff point pass through and attenuates everything below it, removing bass and sub-bass.

Question 4

What does a reverb effect simulate in DJ mixing?

Accepted Answer

The acoustic reflections of sound bouncing within a physical space

Answer

Reverb simulates the natural reflections and decay of sound within a physical environment such as a room, hall, or cave.

Question 5

What unit is used to measure the loudness or gain of an audio signal?

Accepted Answer

Decibels (dB)

Answer

Decibels (dB) are the standard unit for measuring audio signal level, gain, and volume changes in audio engineering.

DJ - Mixing Practice Test