Sound Property #1
a measurement of sound made by your brain; PERCEPTUAL PROPERTY
What is pitch?
PERCEPTUAL PROPERTY; volume of a sound
What is loudness?
PERCEPTUAL PROPERTY; the character or quality of a sound as distinct from its pitch and intensity
What is timbre?
PERCEPTUAL PROPERTY; refers to how the loudness of the sound changes over time
What is articulation?
PERCEPTUAL PROPERTY; a meta-property consisting of multiple notes or sounds
What is rhythm?
labeled with f; PHYSICAL PROPERTY that is related to pitch; measured by hertz (Hz)
What is frequency?
labeled with A, PHYSICAL PROPERTY related to loudness; determined by how much the air pressure in a compression or rarefaction deviates from the normal air pressure
What is amplitude?
PHYSICAL PROPERTY; the shape the sound wave makes
What is a waveform?
PHYSICAL PROPERTY related to articulation; contains or envelops many repetitions of the waveform
What is an amplitude envelope?
the part of the waveform view that identifies patterns in the attacks of the notes; “zooms out” even more than articulation
What is a transient (pattern)?
T=1/f
What are the formulas for frequency and time?
reference value for amplitude measurement
What are decibels (dB)?
the standard waveform that has no regular pattern at all; all the sound around us
What is noise?
attacks from instruments that are bowed or blown
What is an attack-decay-sustain release (ADSR) envelope?
The term that is used because the attack-decay portions of an envelope form a short-term transition form a no sound to the sustain or release of a sound
What is "transient?"
20Hz to 20,000 Hz (20kHz)
What is the range of human hearing?
120dB
What is the Threshold of Pain?
the shape produced by a simple back and forth motion (looks like the mathematical function)
What is a sine wave?
attacks from instruments that are struck or plucked
What is an attack-release (AR) envelope?
analysis of transients as a pattern of beats and bars; allows manipulation of audio as separate logical chunks
What is beat detection?
an illusion in which a series of tones appear to rise endlessly, but never leaves a relatively narrow range of frequencies; made up of frequencies in octaves; higher frequencies gradually fade out and frequencies below them gradually fade in
What are Shepard Tones?
leaving a place where amplitude is higher than 120dB and experiencing dull or muted hearing; often goes away after a few hours (or days!)
What is temporary threshold shift?
where the waveforms starts to be measured from; may be given in degrees with a phase shift of 360 degrees returning the waveform to its normal starting point
What is a phase?
tones that cannot truly be "slurred" due to the tones always having an attack of some sort
Wjat are struck or plucked tones?
Meaning "short-term;" The PHYSICAL PROPERTY of rhythm
What is a transient?