Reverberation

Echo Echo Echo: Reverberation Defined Reverberation refers to the persistence of sound in an enclosed space after the original sound source has stopped emitting sound. It’s caused by sound waves reflecting off surfaces within the room, such as walls, floors, and...

Brownfield Site

Contaminated Land Development: Brownfield Sites A brownfield site refers to a parcel of land that was previously developed and used for industrial or commercial purposes, but is now abandoned, underused, or contaminated to some extent. These sites may have hazardous...

Asbestos Containing Material (ACMs)

ACMs in Soils: Contaminated Land Asbestos-containing material (ACM) refers to any material that contains asbestos fibres. Asbestos is a naturally occurring mineral known for its heat resistance, strength, and insulating properties. Historically, it was widely used in...

Frequency

The Composition of Sound Waves: Frequency Frequency is the rate of repetition of a sound wave. The subjective equivalent in music is pitch. The unit of frequency is the hertz (Hz), which is identical to cycles per second. A 1000Hz is often denoted as 1kHz, eg 2kHz =...

Decibel (dB)

Introduction the the Decibel: Understanding Sound Measurement In the world of sound and acoustics, the decibel (dB) stands as a fundamental unit of measurement, serving as a yardstick for quantifying the intensity of sound. Whether it’s the whisper of a breeze...