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However, for space planning, the suggested frequency ranges from 100 Hz to 5000. The higher the frequency, the higher the tone. The audible range of sound is between 20 to 20 000 Hz. It is measured as the number of repetitive vibrations per cycle per second and is expressed in Hertz.

The wavelength determines the sound frequency. Decibel determines the intensity of sound.Frequency determines the tone of the sound.These sound waves have two different characteristics: The inner ear converts those vibrations into electric signals, which are sent to our brain, where they will be processed and perceived as the actual sound coming in. It can be described as energy, created by vibrations, transmitted through air or any other medium.

Sound consists of pressure waves running through the air.

Principles for good acoustics: Absorption, Attenuation & Diffusion.

Definition of sound: Frequency, Decibels & Reverberation time.

And, like a lot of things, better acoustic performance begins with solid fundamentals. If you would like to treat sound within a room, you should start by understanding the basic terminology of acoustics. A well-balanced room with a perfect acoustic level is a key factor to the performance and well-being of workers all over the world.