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. 15.9 GB; DS/DL
DVD-18
Fletcher- Munson Curve
Digital
Headroom Bits
2. Industry Standards: -6 dB Peak = -20 RMS Meter
Intensity Stereo
Pass Band
DVD-5
Recording Levels
3. Digital and analog processing capability is combined on a single microchip allowing for 1- bit resolution at high sample rates
Spectra
Delta-Sigma Modulation
Latency
Convolution
4. 12.33 GB; DS/ML
Playback Buffering
Decimal- to-Binary Conversion
Sampling (Samples)
DVD-14
5. 8.75 GB; DS/SL
Cutoff Frequency
Data Packing
AES3
DVD-10
6. Joint-Stereo Technique; Since the human brain is unable to localize sounds at high frequencies well sounds above 9 kHz threshold are encoded in mono
Joint Stereo
Word Clock
Intensity Stereo
Impulse Response
7. Reduces the percieved distortion due to quantization error; Low level white noise source is introduced to make the profile of the quantization 'noise' more irregular; Useful when reducing the number of bits per word in a signal (i.e. when converting
Dithering
TOSLINK
Non -Compressed Audio Data Rate Formula
Harmonic Content
8. Data reduction technique that selectively removes original information in order to significantly reduce the file size; Some data is lost; Files can be reduced up to 99% in size (90% with no perceived sound quality loss); Bit rate effects the perceive
Coaxial
Lossy
Bit Depth
Entropy Coding
9. Stores only one copy of a stereo signal and assigns it to both channels in order to save 50% of original bandwidth
SACD
Red Book
RMS Meter
Inter-Channel Redundancy
10. EBU
Jitter
Variable Bit Rate
Quantizer
European Broadcasting Union
11. The elapsed time it takes for a packet of data to arrive at its destination; Lagging or pause of an audio signal as digital processing occurs; Can be managed utilizing several forms of 'audio monitoring'
Motion Pictures Experts Group
Latency
0 dB FS
Algorithm
12. Data is transmitted over fiber optic lines; Uses a TOSLINK connecter instead of an RCA type; Can transmit multi- channel audio; Not susceptible to ground hum and loops; Able to support far higher rates of data transfer over greater distances than coa
Optical Cable
Voltage
SCMS
Threshold of Pain
13. Measures the highest levels of a signal being recorded or mixed; Monitors for clipping - which occurs at 0dBFS); Does not always reflect perceived volume of signal
Lightpipe
Peak Level
Word Clock
Lossy
14. A drive that can read and write on optical media that hold up to 50 GB on two layers; 24- bit/96 kHz for 8-Channel; 24- bit/192 kHz for 6-Channel
Lossless
Floating Point
Spectra
Blu-Ray
15. The difference in volume between the loudest and quietest sounds of a source
Buffering Locations
Effective Bit Depth
Dynamic Range
Footroom
16. AAC (Advanced Audio Coding); MP3; RA; WMA; OGG Vorbis; Dolby Digital/AC-3; DTS; ADPCM
Photoreceptor
Lossy Formats
Sinusoidal
Direct Stream Digital
17. Specific set of instructions for carrying out a data reduction technique that determines how to 'save' binary data information efficiently
RMS Meter
Analog
Algorithm
Compression
18. Splits the input signal and mixes it with an analog copy so that no latency is present
Subbands
Word Clock
Intensity
Zero-Latency Monitoring
19. ABR; Codecs that encode data by determining how dense or sparse areas of the audio are while also keeping bit rate within specified limits to avoid rebuffering
Pass Band
Average Bit Rate
Quantization Error
Lossless Formats
20. Decibels Full Scale
Blu-Ray
DVD-10
Index of Reflectivity
dBFS
21. Have odd numbered harmonics
D/A Conversion Signal Flow
Square Wave
Claude Shannon
Photoreceptor
22. (Time Based) Frequency: Aliasing; Anti-Aliasing Filter; Sample Rate; Nyquist Limit
X-Axis Terminology
Exponent
Sonogram
Lossy Formats
23. Lossless Format; Can hold up to 25GB on a single- layer disc and 50GB on a dual- layer disc
Data Packing
Dithering
Blu-Ray
Sonogram
24. Built into DAWs; Bits are added when signals are mixed together to avoid clipping
Dithering
Attenuation
Quantization
Headroom Bits
25. Samples are duplicated and the playback sampling rate correspondingly increased; Significantly raises the Nyquist limit to a range well beyond human hearing; Processing 'pushes' the distortion resulting from quantization error into these higher frequ
Direct Stream Digital
Noise Shaping
Pulse Density Modulation
Fourier Series
26. Softest sound that can be heard by the average human ear (0 dB)
Threshold of Hearing
Storage Conversion Steps
DVD-Audio
Transfer Protocol
27. The set of rules that computers use to move files from one computer to another on an internet
Transfer Protocol
Masking Analysis...
Acoustics
Quantization
28. Allowance of noise floor below that which is required for the final product
TOSLINK
SACD
Footroom
Algorithm
29. Circuit that seizes voltage values with each tick of an A/D device's internal clock
Sample- and-Hold
Stapedes Reflex
Nanometer
Buffering Locations
30. A digital filter's time domain output sequence when the input is a single sample is input
Voltage
Average Bit Rate
Impulse Response
Direct Monitoring
31. 4.38 GB; SS/SL
DVD-5
dB/SPL
Glass Master
Base 2 System
32. The continuous loss of signal strengths as a signal travels through a medium
Threshold of Hearing
dB/SPL
Inter-Channel Redundancy
Attenuation
33. Measure of sound pressure over the frequency spectrum - for which a listener perceives a constant loudness when presented with pure steady tones
Interleaved
Equal Loudness Contour
Audio over Ethernet (AoE)
Internal Resolution
34. Algorithm uses matrix of a mid/side microphone pair to determine a side signal & that signal is reduced then distributed as code in stereo
Convolution
M-S Stereo
Pulse Width Modulation
Foldover
35. 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
Speed of Sound
Lightpipe
Adaptive Pulse Code Modulation
Buffering
36. Number of bits used to represent the smallest unit of information in an audio file; Greater bit depth = better quality audio
Bit Depth
Digital
Y-Axis Terminology
Dynamic Range
37. Found that aliasing was always a problem no matter how fast you sample; Less data recorded but more accurate; 2 samples per wave length.
Perceptual Coding
Harry Nyquist
Inter-Channel Redundancy
Acoustics
38. Anytime bit depth is reduced the gap gets bigger so more dithering is required
Redither
Inter-Channel Redundancy
X-Axis Terminology
Class - D Amplifier
39. Twice as many samples as the highest frequency at minimum; Sampling rate totally controls frequency response
Significand
Morse Code
Audio Engineering Society
Sampling Rule
40. Overtones that contribute to the timbre of a sound and make up a complex waveform's physical characteristics
Peak Level
Sample Rate Effect on Anti-Aliasing
Oversampling
Harmonic Content
41. More aggressive lossy data reduction techniques that require further manipulation of the stereo field; Examples are 'Intensity' & 'M-S'
Joint Stereo
Fidelity
DVD-10
2 Dimensions of Sound
42. 1.) Taking a series of evenly- spaced measurements 2.) Signal contains no frequency components higher than half the sample rate
Requirements for A/D Conversion
RMS Meter
Harmonic Content
Signal- to- Noise Ratio
43. Apple Lossless; Windows Media Lossless; DTS HD Master Audio; Dolby True HD; FLAC
Foldover
Redither
Blu-Ray
Lossless Formats
44. Each bit in the bit depth is equal to a _____ increase in dynamic range
Edit Decision List
Morse Code
Harry Nyquist
6 dB
45. A method of representing real numbers using a mantissa and an exponent
Aliasing
Floating Point
X-Axis Terminology
Spectrum Multiplication
46. Very selective method of lowering buffer levels by halting different levels of audio processing
Multichannel Audio Digital Interface (MADI)
Quantizer
Pad Head & Tail
Low-Latency Monitoring
47. Measurement at regular intervals of the amplitude of a varying waveform (in order to convert it to digital form); There must be a minimum of 2 samples for each cycle in a waveform
dB/SPL
Fidelity
Sampling (Samples)
Buffering
48. 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
Oversampling
Nyquist Frequency
Jitter
Pulse Code Modulation
49. Roughly around 1 -130 ft/s
Significand
Transfer Protocol
Speed of Sound
CPU Buffering
50. High Pressure - Part of a longitudinal wave where the particles of the medium are close together
Compression
Quantization Error
Redither
Convolution
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