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Take a 25 question quiz to test and certify your knowledge of the tutorial-video course
Audio Concepts 202 - Mastering In The Box.
Get a mark of 80% or higher to pass this quiz!
1
Good-quality Masters can be achieved with:
only analog Mastering processors
both analog and digital Mastering processors
only digital Mastering processors
2
When applying Brickwall Limiting to raise the level of a track:
the output ceiling should be set at around -3 dBfs or so to avoid any peaks
the output ceiling should be turned off, and any peaks should be removed by editing wth Pencil tool
the output ceiling should be set just a little below maximum digital ceiling (0 dBfs), at around -0.3 dBfs or so
the output ceiling should be set at exactly 0 dBfs or, if possible, just a little higher, for maximum effect
3
A Multiband compressor:
None of the other answers are correct
may have different settings in the different bands, for the most appropriate compression at different frequencies
divides the frequency range, but has only one set of controls that affects all frequency bands the same
must always have the same settings in all bands, or else there will be "pumping" and "breathing" artifacts
4
The process of assigning Binary numbers to describe sample levels is called:
Sample rate resolution
Quantization
Bit Rate assigning
Binarization
5
Inter-Sample peaks:
are distortions that creep into the mastered file when you take a break and someone changes the settings on the Limiter
can never be predicited or anticipated-you can never know for sure how many there are, or how severe they might be
All answers are correct
are an artifact of D->A conversion, and can cause slight overages, of often half a dB or so, above the digital maximum
6
What is the highest-quality audio spec for modern Masters?
24-bit WAV
16-bit WAV
24-bit MP4/AAC
24-bit MP3
7
A "character" EQ:
is one that's endorsed by a well-known, perhaps somewhat opinionated, Mastering engineer
is often an emulation of analog circuitry, like tubes and other vintage designs
is an EQ that's only suitable for one particular EQ application, as specified by the maker
has none of the phase shift common to normal ("minimum-phase") EQs, for more transparent sound
8
M-S (Mid-Side) processing:
None of the other answers are correct
can allow you to independently apply EQ or compression to the Center and Sides of the mix
is a simulation of what the mastered mix will sound like when heard from positions off to the side of the speakers
can only be applied of it's built in to a plug-in, as a feature-you can't set it up yourself in the mixer
9
In a typical un-processed musical wave:
the difference between momentary Transient Peak levels and Average levels can be as much as 15-20 dB
None of the other answers are correct
there are no Transient peaks-these are an artifact of the mastering processing, and must be removed at the end
all wave heights are identical in a good performance-this level consistency is the hallmark of great performances
10
Ratios for compression (especially Multiband compression) in Mastering:
are always set to 1:1, to insure the most transparent quality
are more typically on the high side-around 6:1 or higher
are always set to 10:1 to insure that the audio is loud without any peaks
are more typically on the low side-around 2:1 or lower
11
Brickwall Limiting:
is designed to keep the mix from being raised in volume too much, by applying an AI algorithm
was originally designed to prevent digital overs (clipping), but is now also used to "maximize" level
removes frequencies above 20 kHz and below 20 Hz, to remove any problematic supersonic and subsonic elements
12
The Nyquist theory says that the minimum sample rate for digital recording must be twice the lowest audio frequency to be recorded. True or false?
True
False
13
The three most basic tools of Mastering are:
EQ, Pitch Correction (Auto-tuning), and Time-Shifting
Compression, Delay, Limiter
Loudness Maximizer, Loudness Maximizer, and Loudness Maximizer
EQ, Compression, and (Brickwall) Limiting
14
Which of the following would be an appropriate part of Pre-Mastering?
All answers are correct
Preparing vocal-up & vocal-down versions, and stems
Adding Dither to the 24-bit pre-mastered mix file
Maximizing the level of the mix as loud as possible
15
A Multiband compressor:
is typically 3 or 4 compressors in one, each applying compression independently to a different frequency band
is a compressor designed to work equally well on bands in many very different-sounding musical genres
is a compressor that must be used on all songs being mastered for a collection, to insure compatibility
None of the other answers are correct
16
Decent Mastering results can never be achieved by anyone outside a high-end commercial Mastering room. True or false?
False
True
17
ISRC:
refers to embedded (text) metadata in audio masters, that's used for tracking distribution and sale
is a new proposed file format for the highest-quality masters, using 64 bps MP3 format for maximum clarity
is the organization that sets the standard for how much Limiting can be applied in modern mastering
None of the other answers are correct
18
Which would be the best strategy for a Mastering session with several songs for a collection/album?
All other answers are incorrect
having a separate chain of mastering processors on each track, for each individual song
never mastering more than one song, per session, at a time, even for an album
having a single chain of mastering processors inserted in the stereo output channel, affecting all songs
19
In the heyday of the analog (pre-digital) era, a big part of Mastering was:
adding ISRC codes to the finished recordings
All other answers are incorrect
squeezing audio into the more limited dynamic range of vinyl
keeping audio levels below 0 dBfs
20
Most Mastering engineers would say that the best curve for a Fade (at the end of a song) is:
a logarithmic fade-out
an "S" curve fade-out
an exponential fade-out
a linear cross-fade
21
Dither:
All answers are correct
always must be applied all all bounces, at any resolution, up to 32-bit
only needs to be applied to 24-bit master files, for modern production standards
only needs to be applied to 16-bit master files (as for CD Duplication masters)
22
A "Matching" EQ:
automatically adds the right amount of bass and treble energy ("smile" curve) for the musical genre you specifiy
is a specialty EQ that analyzes the audio, and automatically applies the correct ampunt of EQ for the musical genre
guarantees a perfect tonal match between songs if you apply the exact same curves to all songs
analyzes two audio files (mixes), and applies a difference curve to one, to match the tonal balance of the other
23
Which of the following is an advantage of bringing a mix to a dedicated Mastering engineer?
He'll hear the song with fresh ears, and be more likely to pick up on subtle issues & problems
He's likely to be working out of an acoustically treated room with calibrated monitors
All answers are correct
He'll be more experienced with the kinds of problems that need to be addressed in Mastering
24
In a Mastering session, "Reference tracks" would be:
a collection of poorly-mastered songs, to remind you what not to do
All other answers are incorrect
several of the loudest-mastered songs you can find, to make sure all your masters are also the loudest
several high-quality commercially-released songs, mastered by top pros, for use as a reality check
25
__________ refers to the number of bits used for the Binary Number that describe the Amplitude levels of the Audio Samples.
Dynamic range
Bit Resolution
Dithering
Sample Rate
Audio Concepts 202
Mastering In The Box
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