What are acoustics?
To fully understand its basics and meaning one need to approach the question like the forefathers of acoustics and not take any answers provided by today’s textbooks as is.
Although this is also spoon feeding, but
time is against us.
A few examples of the questions asked by the forefathers are: -
How is sound created?
What are the definitions of sound?
How do sound travel?
What is wavelength?
Is sound a science?
How do sound disperse?
How long for sound to reach us?
Do sound reflect?
How do sound reflect?
How many reflections are there?
Do room volume affects sound?
Do room shape affects sound?
What is sound absorption?
What is sound proof?
How do sound wave summate or negate?
Why do we need to know all this?
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Acoustic = singular
So, what makes up acoustics?
How many acoustic makes up acoustics? If there is such question?
Many different individual sounds makes up a NEW sound.
But sound is not acoustic.
Acoustic is the term used to describe the properties that govern the / a sound and many more like radar and sonar.
Many different acoustic properties to something, DO NOT make up a new acoustics.
Acoustics is always there. Since human worlds, houses, cars, halls, don't change dramatically overnight, therefore the acoustics for each / individual airspaces are relatively the same to one another in it's own category. Therefore, no new acoustics.