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WorksheetsDigital Audio
Total questions: 15
Worksheet time: 8mins
How is sound produced? which is the incorrect answer?
Vibrations in the air create waves of pressure that are perceived as sound.
These vibrations are passed on from one air molecule to another and eventually reach our ears
sound produce by the element of water and send it to our brain
Our ears then relay the vibrations to our brain, which processes them and thus we hear sound
Sound wave vary in? which is the answer CORRECT?
Sound pressure level, Time and Frequency of pitch
Sound press level, Time and Frequency pitch
Sound press level, time, frequency of wind
Sound pressure level, timing, frequency pitch
Sound pressure levels (loudness or volume) are measured in?
Shockwave (Sw)
Decibels (dB)
Sound prove (sP)
Vacuum
System sounds are assigned to various system events such as?
Startup and Windows
Startup and Mining
Startup and wave
Startup and Warning
__________ provides serval system sound option such as glass, indigo and laugh.
Windows
Macintosh
Chimes
Chord
__________, available system sounds include start.wav, chimes.wav and chord.wav
Midi
Macintosh
Windows
NIOSH
Multimedia sound can be divided into two, which is?
Digital Audio(Sampled sound) & MIDI Music
Digital Video & MIDI Music
Digital Wave and MIDI Music
Digital MIDI Audio
___________ data is the actual representation of sound, stored in the form of samples.
Digital Sound System
Digital MIDI
Digital audio
Digital Wav
Quality of digital recording depends on?
Sampling rate & Sample Size
Sampling data & Sample Size
Sampling and Value
Digital Sample
Monophonic, which is Incorrect answer?
Commonly called mono sound, mono or non-stereo sound, this early sound system used a single channel of audio for sound output.
Monophonic sound is the most basic format of sound output.
All speakers in a mono system (like an intercom) will carry the same signal.
Mono (monophonic, or monaural) is sound from a multiple source.
Stereophonic, which is the incorrect answer?
Stereo, Stereo or steroidal) is sound from a single source.
Commonly called stereo sound or just stereo
sounds are mixed so that some elements are channelled to the left and others to the right.
Stereo (stereophonic) is sound from two sources, ideally spaced apart, and reproduces sound the way we hear it naturally, with two ears.
Answer is the Component of a MIDI sound system EXCEPT?
MIDI Synthesizer
MIDI Keyboard
Powered Speakers
MIDI Button
Which is the WRONG about MIDI audio?
Since they are small, MIDI files embedded in web pages load and play promptly.
MIDI is digitized sound
MIDI is a shorthand representation
of music stored in numeric form.
A sequencer software and sound synthesizer is required in order to create MIDI scores.
Basic sound editing operations include EXCEPT
Trimming
Splicing and Assembly
Volume adjustment
Working on Single Tracks
Additional sound editing operation EXCEPT?
Fade-ins and Fade-outs
Audio File Format
Formatting Conversion
Resampling or Downsampling
