Music & Audio Advice Music & Audio Advice Mixing and Mastering Principles Questions and Answers 2 — Questions and Answers
Question 1: What is the primary purpose of a high-pass filter on a vocal track during mixing?
- Remove low-frequency rumble and mud (Correct answer)
- Boost the high frequencies for presence
- Add warmth to the vocal tone
- Create a telephone effect
Correct answer: Remove low-frequency rumble and mud
A high-pass filter removes unnecessary low-frequency content such as rumble, handling noise, and proximity effect buildup that clouds a vocal track.
Question 2: What does the term 'gain staging' refer to in the mixing process?
- Managing signal levels at each point in the audio chain to avoid distortion and maintain headroom (Correct answer)
- Increasing the master fader to make a mix louder
- Adding gain to every plugin for maximum volume
- Automating volume changes throughout a song
Correct answer: Managing signal levels at each point in the audio chain to avoid distortion and maintain headroom
Gain staging ensures that signal levels remain optimal at every stage of processing, preventing unwanted clipping or noise floor issues.
Question 3: During mastering, what is the purpose of a mid-side EQ adjustment?
- To separately process the center and stereo information of a mix (Correct answer)
- To apply identical EQ to left and right channels
- To remove all stereo content from the master
- To correct phase issues between monitors
Correct answer: To separately process the center and stereo information of a mix
Mid-side EQ allows a mastering engineer to independently shape the tonal balance of the mono center content and the stereo side content for a wider or more focused master.
Question 4: Which metering standard is most commonly used to measure perceived loudness for streaming platform compliance?
- LUFS (Loudness Units Full Scale) (Correct answer)
- VU (Volume Units)
- Peak dBFS
- RMS averaging
Correct answer: LUFS (Loudness Units Full Scale)
LUFS is the integrated loudness measurement standard adopted by streaming platforms like Spotify and Apple Music to normalize playback levels.
Question 5: What problem does applying a de-esser solve in a vocal mix?
- Reduces harsh sibilant frequencies in the 4-10 kHz range (Correct answer)
- Removes plosive pops from P and B sounds
- Eliminates background noise between phrases
- Corrects pitch inaccuracies in the performance
Correct answer: Reduces harsh sibilant frequencies in the 4-10 kHz range
A de-esser is a frequency-specific compressor that tames excessive sibilance from S, T, and similar consonant sounds in the upper frequency range.
Question 6: What is the recommended amount of headroom to leave on a mix bus before sending to mastering?
- -3 to -6 dBFS of peak headroom (Correct answer)
- 0 dBFS with no headroom
- Exactly -20 dBFS at all times
- -12 to -18 dBFS of peak headroom
Correct answer: -3 to -6 dBFS of peak headroom
Leaving approximately -3 to -6 dBFS of peak headroom gives the mastering engineer sufficient space to apply processing without introducing clipping.
Music & Audio Advice Music & Audio Advice Mixing and Mastering Principles Questions and Answers 2
What is the primary purpose of a high-pass filter on a vocal track during mixing?