SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Digital Audio
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Allowance of noise floor below that which is required for the final product
Non -Compressed Audio Data Rate Formula
Lossless
Footroom
Acoustics
2. Industry Standards: -6 dB Peak = -20 RMS Meter
Recording Levels
Masking Analysis...
Digital
Buffering Locations
3. Only 2 digits used; The value of each place (ones - hundreds - etc.) are as follows from greatest to least: 128 - 64 - 32 - 16 - 8 - 4 - 2 - 1
Base 2 System
Adaptive Pulse Code Modulation
Bit Depth
Buffering
4. Multi-Bit Words; (Pulse Code Modulation)
PCM
Floating Point
Spectrum Multiplication
Photoreceptor
5. A time regulator that makes all samples and bits to align when working with interconnected digital devices; Basically a signal that all of the digital devices refer to when operating.
Word Clock
Glass Master
Exponent
TOSLINK
6. Electromagnetic receptor that detects the radiation known as visible light
Red Book
Photoreceptor
A/D Conversion
Low-Latency Monitoring
7. Based on psychoacoustics - these are the basis of frequency analysis for a perceptual codec;
Spectrum Multiplication
Subbands
Anti-Aliasing Filter
Foldover
8. Leaving space at beginning and ending of song for data crunching during mastering; Last step in mastering process
MONO
Pad Head & Tail
DVD-5
Coaxial
9. Governs the frequency response of a digital system; The highest- frequency component that can be captured with a sampling rate; always 1/2 of sampling rate; Also called the limiting frequency
Nyquist Frequency
Audio over Ethernet (AoE)
Lossless
Physical Disc Format
10. Father of modern information theory; Solidified the Nyquist Theory by adding the concept that bits per second (binary representation of audio signals) must be at equal intervals to accurately represent data
Anti-Aliasing Filter
Digital Signal Processing
Stapedes Reflex
Claude Shannon
11. Number or variable that represents the number of times the base of a power is used as a factor; Defines magnitude
Decimal- to-Binary Conversion
Bit Rate
Exponent
Latency
12. 7.95 GB; SS/DL
Frequency
DVD-9
dB/FS
A/D Conversion Signal Flow
13. Method of representing an acoustic quantity with a series of binary numbers; Can have only specific individually distinct values
6 dB
Voltage
Quantization Error
Digital
14. The process of reducing the space required to store data by efficiently encoding the content.
DVD-9
Compression
Average Bit Rate
Fletcher- Munson Curve
15. (AES/EBU); 110O - 2- channel balanced digital audio cable with an XLR connection; NOT a mic cable!!
Headroom Bits
AES3
PCM
Compression
16. Represents the amplitude component of the digital sampling process; Technique of incrementing a continuous analog event into a discrete set of binary digits (bits)
Y-Axis Terminology
Quantization
I/O Connection Buffering
Codec
17. (Time Based) Frequency: Aliasing; Anti-Aliasing Filter; Sample Rate; Nyquist Limit
AES3
DVD-9
X-Axis Terminology
Pulse Code Modulation
18. 12cm plastic disc; 1.2mm thick; One- sided; Red Laser; 1.6 microns between tracks; 125 nanometer pits
Bit Depth Effect on Dynamic Range
6 dB
DVD-Audio
Red Book
19. CobraNet; EtherSound; Dante; AVB (currently under development)
Micron
dB/SPL
AoE Formats
Zero-Latency Monitoring
20. Visual graph that shows how loud a sound is at different frequencies
Motion Pictures Experts Group
CPU Buffering
Sonogram
Word Clock
21. Signal that uses variable voltage to create continuous waves resulting in an inexact transmission
dB/FS
DVD-9
Analog
Requirements for A/D Conversion
22. Used as the main disc from which other discs are made; Composed of ground glass with a very fine photoresistor layer; An imaging laser burns pit and land patterns in preparation for duplication
Threshold of Hearing
Gain Staging
Blu-Ray
Glass Master
23. A digital filter's time domain output sequence when the input is a single sample is input
Algorithm
Impulse Response
Buffering Locations
Floating Point
24. Circuit that interprets the meaning of the symbols as they were chosen and arranged by the encode
Oversampling
Glass Master
Decoder
Bit Depth
25. Difference in brightness between land and pit on a CD Physical Format
Perceptual Coding
Oscillation
Index of Reflectivity
Bit Depth Effect on Dynamic Range
26. Anytime bit depth is reduced the gap gets bigger so more dithering is required
D/A Conversion Signal Flow
Anti-Imaging Filter
Jitter
Redither
27. Mixing data and control characters in a single operation
EtherSound
Inter-Channel Redundancy
Jitter
Interleaved
28. MPEG; Standardizing body of audio coding
Motion Pictures Experts Group
Overflow
Fourier Series
RMS Meter
29. The set of rules that computers use to move files from one computer to another on an internet
Transfer Protocol
Base 2 System
Quantization Intervals
Aliasing
30. More aggressive lossy data reduction techniques that require further manipulation of the stereo field; Examples are 'Intensity' & 'M-S'
Joint Stereo
Multichannel Audio Digital Interface (MADI)
Dolby 7.1
DVD-Audio
31. A situation where a calculated value cannot fit into the number of digits reserved for it
Motion Pictures Experts Group
Overflow
Gain Staging
Signal- to- Noise Ratio
32. High Pressure - Part of a longitudinal wave where the particles of the medium are close together
Interleaved
Dolby 7.1
Compression
Signal- to- Noise Ratio
33. Unit of measurement that is equal to one millionth of a meter
Dolby 7.1
Cutoff Frequency
Gain Staging
Micron
34. Signal voltage is relayed to a register from sample- and - hold circuit; Holds reference frequencies in binary form that decrease in value; Finds approximated value & assigns binary number accordingly
Analog
Sawtooth Wave
Rarefaction
Successive Approximation
35. Reduces A/D sample rate from the oversampled rate to nominal rate by turning series of one- bit samples into a series of multi- bit PCM samples; (ex. => 2.8MHz sample rate converted to 44.1kHz and simultaneously converts 1-Bit samples to multi- bit);
Class - D Amplifier
D/A Conversion
Decimation Filter
Dithering
36. Overtones that contribute to the timbre of a sound and make up a complex waveform's physical characteristics
Sinusoidal
DVD-5
dBFS
Harmonic Content
37. Sample Rate x Bit Depth x # of Channels
Non -Compressed Audio Data Rate Formula
Edit Decision List
Pulse Width Modulation
Oversampling
38. Playback; I/O Connections; CPU (Streaming); Conversion from DAW or Software
Convolution
Buffering Locations
Bit Depth Effect on Dynamic Range
Red Book
39. Full Scale; Type of metering that measures level in digital recording system; Recording and Mixing levels should NEVER exceed 0dB FS in digital audio or clipping will occur
Fletcher- Munson Curve
dB/FS
Adaptive Pulse Code Modulation
Fidelity
40. Sony sigma- delta modulation based technology that bypasses the decimation and interpolation steps found in PCM converters
Direct Stream Digital
Coaxial
MONO
Spectrum Multiplication
41. Allows for an internal sample rate at multiples of the input and output rates; Alleviates the need for steep 'brickwall' filters; Often combined with internal '1- bit' processing; Increases smoothing effect
Quantization Intervals
Oversampling
Decimal- to-Binary Conversion
dB/FS
42. Defines the number of sample per second taken from a continuous signal to make a discrete signal; Governs the frequency response of digital audio
Optical Cable
Anti-Aliasing Filter
Direct Monitoring
Sample Rate
43. Toshiba developed digital audio interface utilizes fiber optics as a transmission medium.
TOSLINK
Decoder
Oversampling
Pad Head & Tail
44. Unit of measurement that is equal to one billionth of a meter
Nanometer
Quantization Error
Sinusoidal
Codec
45. Level above which audible sounds are painful (125 - 130 db)
Resolution
Threshold of Pain
Dithering
Intensity
46. Method used in digital recording and reproduction in which a signal is sampled at various points and the resulting value is translated into binary numbers
Joint Stereo
Harmonic Content
Pulse Code Modulation
Interpolation Filter
47. RAM holds in memory audio data before it is transferred to the memory controller; Certain amount of data is processed before large amounts of data are streamed to prevent latency
DVD-14
Significand
Motion Pictures Experts Group
Buffering
48. Uses entropy coding as the basis; Computer data compression algorithm that packages files such as .ZIP & .RAR
Data Packing
Tascam Digital Interface Format (TDIF)
European Broadcasting Union
Interleaved
49. The art of deciding where to place a processor in signal flow based on how that processor will be influenced by the other processors in the path
Interpolation Filter
DVD-5
Gain Staging
Audio Engineering Society
50. Process of building a complex tone by starting with the fundamental frequency and adding pure tone harmonics
CobraNet
Zero-Latency Monitoring
Sampling Rule
Additive Synthesis...
Sorry!:) No result found.
Can you answer 50 questions in 15 minutes?
Let me suggest you:
Browse all subjects
Browse all tests
Most popular tests
Major Subjects
Tests & Exams
AP
CLEP
DSST
GRE
SAT
GMAT
Certifications
CISSP go to https://www.isc2.org/
PMP
ITIL
RHCE
MCTS
More...
IT Skills
Android Programming
Data Modeling
Objective C Programming
Basic Python Programming
Adobe Illustrator
More...
Business Skills
Advertising Techniques
Business Accounting Basics
Business Strategy
Human Resource Management
Marketing Basics
More...
Soft Skills
Body Language
People Skills
Public Speaking
Persuasion
Job Hunting And Resumes
More...
Vocabulary
GRE Vocab
SAT Vocab
TOEFL Essential Vocab
Basic English Words For All
Global Words You Should Know
Business English
More...
Languages
AP German Vocab
AP Latin Vocab
SAT Subject Test: French
Italian Survival
Norwegian Survival
More...
Engineering
Audio Engineering
Computer Science Engineering
Aerospace Engineering
Chemical Engineering
Structural Engineering
More...
Health Sciences
Basic Nursing Skills
Health Science Language Fundamentals
Veterinary Technology Medical Language
Cardiology
Clinical Surgery
More...
English
Grammar Fundamentals
Literary And Rhetorical Vocab
Elements Of Style Vocab
Introduction To English Major
Complete Advanced Sentences
Literature
Homonyms
More...
Math
Algebra Formulas
Basic Arithmetic: Measurements
Metric Conversions
Geometric Properties
Important Math Facts
Number Sense Vocab
Business Math
More...
Other Major Subjects
Science
Economics
History
Law
Performing-arts
Cooking
Logic & Reasoning
Trivia
Browse all subjects
Browse all tests
Most popular tests