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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
In a typical un-processed musical wave:
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
None of the other answers are correct
the difference between momentary Transient Peak levels and Average levels can be as much as 15-20 dB
2
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?
False
True
3
A "linear-phase" EQ:
is a specialty EQ that analyzes the audio, and automatically applies the correct ampunt of EQ for the musical genre
has none of the phase shift common to normal ("minimum-phase") EQs, for more transparent sound
is technically no differents from a standard "minimum-phase" EQ-it's purely marketing hype
has the same amount of phase shift in every instance, so all EQ'd songs are phase-shifted consistently
4
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
are an artifact of D->A conversion, and can cause slight overages, of often half a dB or so, above the digital maximum
All answers are correct
5
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 low side-around 2:1 or lower
are always set to 10:1 to insure that the audio is loud without any peaks
are more typically on the high side-around 6:1 or higher
6
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
7
Which of the following would be an appropriate part of Pre-Mastering?
Preparing vocal-up & vocal-down versions, and stems
All answers are correct
Adding Dither to the 24-bit pre-mastered mix file
Maximizing the level of the mix as loud as possible
8
__________ refers to the number of bits used for the Binary Number that describe the Amplitude levels of the Audio Samples.
Dynamic range
Dithering
Sample Rate
Bit Resolution
9
Good-quality Masters can be achieved with:
both analog and digital Mastering processors
only digital Mastering processors
only analog Mastering processors
10
Brickwall Limiting:
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
is designed to keep the mix from being raised in volume too much, by applying an AI algorithm
11
What is the Nyquist Theory?
A minimum Sampling Rate via digital recording must be half the highest recorded audio frequency
A minimum Sampling Rate via digital recording must be twice the highest recorded audio frequency
12
A "Matching" EQ:
analyzes two audio files (mixes), and applies a difference curve to one, to match the tonal balance of the other
guarantees a perfect tonal match between songs if you apply the exact same curves to all songs
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
13
The three most basic tools of Mastering are:
EQ, Compression, and (Brickwall) Limiting
Compression, Delay, Limiter
Loudness Maximizer, Loudness Maximizer, and Loudness Maximizer
EQ, Pitch Correction (Auto-tuning), and Time-Shifting
14
ISRC:
None of the other answers are correct
is the organization that sets the standard for how much Limiting can be applied in modern mastering
is a new proposed file format for the highest-quality masters, using 64 bps MP3 format for maximum clarity
refers to embedded (text) metadata in audio masters, that's used for tracking distribution and sale
15
Which would be the best strategy for a Mastering session with several songs for a collection/album?
having a single chain of mastering processors inserted in the stereo output channel, affecting all songs
having a separate chain of mastering processors on each track, for each individual song
All other answers are incorrect
never mastering more than one song, per session, at a time, even for an album
16
A Multiband compressor:
is a compressor that must be used on all songs being mastered for a collection, to insure compatibility
is a compressor designed to work equally well on bands in many very different-sounding musical genres
is typically 3 or 4 compressors in one, each applying compression independently to a different frequency band
None of the other answers are correct
17
Most Mastering engineers would say that the best curve for a Fade (at the end of a song) is:
a linear cross-fade
an "S" curve fade-out
an exponential fade-out
a logarithmic fade-out
18
A "character" EQ:
is an EQ that's only suitable for one particular EQ application, as specified by the maker
is often an emulation of analog circuitry, like tubes and other vintage designs
has none of the phase shift common to normal ("minimum-phase") EQs, for more transparent sound
is one that's endorsed by a well-known, perhaps somewhat opinionated, Mastering engineer
19
In the heyday of the analog (pre-digital) era, a big part of Mastering was:
squeezing audio into the more limited dynamic range of vinyl
adding ISRC codes to the finished recordings
All other answers are incorrect
keeping audio levels below 0 dBfs
20
Decent Mastering results can never be achieved by anyone outside a high-end commercial Mastering room. True or false?
True
False
21
M-S (Mid-Side) processing:
None of the other answers are correct
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
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
22
In a Mastering session, "Reference tracks" would be:
All other answers are incorrect
several of the loudest-mastered songs you can find, to make sure all your masters are also the loudest
a collection of poorly-mastered songs, to remind you what not to do
several high-quality commercially-released songs, mastered by top pros, for use as a reality check
23
What is the highest-quality audio spec for modern Masters?
24-bit MP3
16-bit WAV
24-bit WAV
24-bit MP4/AAC
24
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
must always have the same settings in all bands, or else there will be "pumping" and "breathing" artifacts
divides the frequency range, but has only one set of controls that affects all frequency bands the same
25
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 16-bit master files (as for CD Duplication masters)
only needs to be applied to 24-bit master files, for modern production standards
Audio Concepts 202
Mastering In The Box
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