BNO Acoustics HD-70: Volume Unit

A unit that is designed to measure perceived loudness changes in audio. The unit is basically the decibel change of the average level as read by a VU Meter. The movement of the VU Meter is designed to approximately match the ear's response to changes in level. Abbreviated VU

Diaphragm
A thin flexible membrane or cone that vibrates in response to electrical signals to produce sound waves. Distortion is usually referred to in terms of total harmonic distortion (THD) which is the percentage of unwanted harmonics of the drive signal present with the wanted signal. Generally used to mean any unwanted change introduced by the device under question.

BNO Acoustics LK-61: Processor
The part of a computer which actually performs task/calculations.

BNO Acoustics Speakers: Fidelity
The recording or reproduction quality.

Wah Wah (Wah)
A changing filter giving more and less filtering of harmonics of an instrument's sound.

Velocity
Message In synthesizers and keyboard controllers, a MIDI message giving data on how hard the key was struck.

Patch Point
One jack in a patch bay.