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. Apple Lossless; Windows Media Lossless; DTS HD Master Audio; Dolby True HD; FLAC
Algorithm
AoE Formats
Glass Master
Lossless Formats
2. Leaving space at beginning and ending of song for data crunching during mastering; Last step in mastering process
Redither
Pad Head & Tail
Buffering
Pulse Width Modulation
3. The frequency range that is allowed through a filter
Average Bit Rate
Psychoacoustics
Algorithm
Pass Band
4. Having a repeated succession of waves or curves as in a sound waveform
Interleaved
Dolby 7.1
Sinusoidal
Analog
5. Measuring equipment in A/D conversion that processes voltage and provides a value for that voltage
Quantization Error
Quantizer
Fourier Series
Data Packing
6. High channel count; 64 channels on one cable; Coaxial cable with BNC connector or fiber optic with ST1 connector
Redither
Pad Head & Tail
Footroom
Multichannel Audio Digital Interface (MADI)
7. Increases or decreases the digital signal so that the loudest sample is brought up to 0dBfs; Uses all bits from dynamic range and makes it even from track to track
Anti-Imaging Filter
Delta-Sigma Modulation
Storage Conversion Steps
Normalizing
8. Fractional part of a floating- point number; Also called the mantissa; Defines precision
Class - D Amplifier
Frames
Threshold of Pain
Significand
9. Channels are processed one at a time and the results are stored on multiple CPU buffers that alternately send data as DAW requests the data for playback; First few seconds are relayed to the buffer prior to processing and playback and it continuously
Algorithm
dB/SPL
Foldover
CPU Buffering
10. Deviation from a normal - steady pulse or tick of a clock that contributes to misrepresentation of a signal; Result of small timing irregularities that become magnified during the transmission of digital signals as the signals are passed from one dev
Coaxial
Spectra
Jitter
Intensity
11. Visual graph that shows how loud a sound is at different frequencies
Signal- to- Noise Ratio
Sampling Theorem
Sonogram
Decimation Filter
12. Same as 'aliasing'
Requirements for CD Audio
Algorithm
Foldover
AoE Formats
13. 8- in/8- out on one cable; 25- pin D- sub connector
Signal- to- Noise Ratio
Oscillation
Data Packing
Tascam Digital Interface Format (TDIF)
14. Take up half as many bits (50%); Algorithm can keep same quality by lossing the stereo track
Digital Signal Processing
Aliasing
Latency
MONO
15. The frequency above or below which attenuation begins in a filter circuit
Buffer Size
Cutoff Frequency
Claude Shannon
Sampling (Samples)
16. Digital (binary) measurements of how long each pulse is either on or off; Width of increasing voltage or decreasing voltage is assigned a 1 or 0 respectively
Pulse Width Modulation
Digital
TOSLINK
Morse Code
17. Describes acceptable data - performances both offered and essential for a disc player - and the complete user experience
Algorithm
0 dB FS
Logical Format
Constant Bit Rate
18. The act of a frequency swinging back and forth with a steady - uninterrupted rhythm
D/A Conversion Signal Flow
Bit Depth
Oscillation
Class - D Amplifier
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
Additive Synthesis...
Average Bit Rate
MONO
Requirements for A/D Conversion
20. Voltage -> Dither -> Anti-Aliasing (Low Pass Filter) -> Sample & Hold Circuit -> Successive Approximation/Quantizer --) 100111010 (PCM Audio File)
Compression
A/D Conversion Signal Flow
Effective Bit Depth
Acoustics
21. Digital and analog processing capability is combined on a single microchip allowing for 1- bit resolution at high sample rates
Dynamic Range
DVD-10
Delta-Sigma Modulation
Footroom
22. Industry Standards: -6 dB Peak = -20 RMS Meter
Constant Bit Rate
Harry Nyquist
Direct Monitoring
Recording Levels
23. Uses entropy coding as the basis; Computer data compression algorithm that packages files such as .ZIP & .RAR
Data Packing
Pulse Width Modulation
TOSLINK
Lossless
24. (Amplitude Based) Amplitude: Voltage; Quantization; Bit Depth; Quantization Intervals; Quantization Noise; [Signal:Quantization Noise Ratio]; Dither; Dynamic Range
Cutoff Frequency
DVD-10
Class - D Amplifier
Y-Axis Terminology
25. 12cm plastic disc; 1.2mm thick; One- sided; Red Laser; 1.6 microns between tracks; 125 nanometer pits
Decimation Filter
Y-Axis Terminology
Red Book
Entropy Coding
26. Increases D/A sample rate from nominal rate to oversampling rate by turning series multi- bit PCM samples into 1- bit samples; (ex. => 44.1kHz sample rate converted to 2.8MHz and simultaneously converts multi- bit samples to 1- bit); Low Pass Filter
Cutoff Frequency
Interpolation Filter
Headroom Bits
Frames
27. 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
CPU Buffering
SCMS
Oversampling
Coaxial
28. High Pressure - Part of a longitudinal wave where the particles of the medium are close together
DVD-5
Sampling Theorem
A/D Conversion Signal Flow
Compression
29. Removes high frequency images and noise and smoothes the stair case output coming from of the sample and hold circuit; Also called a SMOOTHING FILTER
Decimal- to-Binary Conversion
Anti-Imaging Filter
Sampling Theorem
Variable Bit Rate
30. The mathematics - algorithms - and the techniques used to manipulate signals after they have been converted to digital form
2 Dimensions of Sound
Digital Signal Processing
Decimal- to-Binary Conversion
Base 2 System
31. The ability of a digital system to perform complex DSP without running into problems with overflow or loss of resolution
Masking Analysis...
Acoustics
Additive Synthesis...
Internal Resolution
32. The loudest point of a Full Scale system
0 dB FS
Photoreceptor
A/D Conversion Signal Flow
Decoder
33. 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
DVD-18
Zero-Latency Monitoring
Nyquist Frequency
34. Sum of all harmonics; Sum of sine and cosine waves which have frequencies f - 2f - 3f - 4f...
Fourier Series
Dynamic Range
Interpolation Filter
Sampling (Samples)
35. Branch of psychology concerned with the subjective perception of sound
Sampling Rule
Sony-Philips Digital Interface Format (S/PDIF)
Psychoacoustics
Nanometer
36. 15.9 GB; DS/DL
Direct Monitoring
Adaptive Pulse Code Modulation
DVD-18
Cutoff Frequency
37. AES
AES3
Cutoff Frequency
Audio Engineering Society
Data Packing
38. EBU
Adaptive Pulse Code Modulation
Oversampling
European Broadcasting Union
Logical Format
39. Cable used to transmit data; Inner cable is surrounded by a plastic insulator - which is surrounded by a wire mesh conductor that insulates the internal signal wire from external interference and an outer casing that functions as a ground
Coaxial
Digital Signal Processing
Transfer Protocol
Foldover
40. If a signal is sampled at a rate higher than twice the highest significant signal frequency and at evenly spaced intervals - then the samples contain all the information of the original signal
Lossless Formats
Sampling Theorem
Compression
Psychoacoustics
41. Serial Copy Management System; main difference between AES3 & S/PIDF
Base 2 System
Threshold of Pain
SCMS
Low-Latency Monitoring
42. How Loud (Y-Axis) & How Fast (X-Axis)
2 Dimensions of Sound
Morse Code
Sonogram
Algorithm
43. Also known as equal loudness curves; Graph that indicates the average ear sensitivity to different frequencies at different SPL levels (as volume increases - these curves flatten out)
Decoder
Convolution
dB/SPL
Fletcher- Munson Curve
44. 4.38 GB; SS/SL
DVD-9
Harmonic Content
Playback Buffering
DVD-5
45. Waveform of a pure tone showing simple harmonic motion
Sine Wave
Headroom Bits
Threshold of Pain
D/A Conversion
46. Occurs as data is assembled into meaningful bits or information and as left & right channels are separated
I/O Connection Buffering
PCM
Playback Buffering
Joseph Fourier
47. MPEG; Standardizing body of audio coding
Equal Loudness Contour
Motion Pictures Experts Group
Sony-Philips Digital Interface Format (S/PDIF)
DVD-9
48. Contains all even and odd harmonics associated with a fundamental tone - making it a rich source for modeling other sounds; Amplitude of each overtone decreases exponentially as a ratio of the harmonic's frequency to that of the fundamental
Sawtooth Wave
PCM
Sinusoidal
Physical Disc Format
49. Based on Full Scale (dB/FS); -6dB represents a loss of one bit so account for this when calculating
AoE Formats
Effective Bit Depth
Equal Loudness Contour
Quantization Error
50. Single- pin RCA cable or fiber- optic TOSLINK connector used for digital transfer; 75O coaxial - 2- channel unbalanced; 'Consumer' format of AES3
Pulse Width Modulation
Sinusoidal
Sine Wave
Sony-Philips Digital Interface Format (S/PDIF)
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