• DECIBEL (dB): a unit for expressing the relative intensity of sounds on a scale from zero for the average least perceptible sound to about 130 for the average pain level.

• WAVEFORM: a depiction of the pattern of sound pressure variation (or amplitude) in the time domain.

• FREQUENCY: a periodic vibration whose frequency is in the band audible to the average human. (20 - 20,000 Hz)

• MONAURAL: Audio which is reproduced on only one channel.

• STEREOPHONIC: Audio which is reproduced on two channels, giving the illusion of direction the listener.

• DUAL MONO: Two unrelated sounds recorded using 2 track recording system.

• 5.1 SURROUND SOUND: A 6 channel audio system used in cinemas and home theaters that provides sound from a 360-degree radius.

• EQUALIZATION: boosting or reducing (attenuating) the levels of different frequencies in a signal.

• VU METER: A device displaying a representation of the volume units or level of an audio signal.

• FADER: A mixer knob or slider that adjusts the volume units (VU) of a channel.

• PAN: A mixer control to position a monaural sound channel into a stereo mix by adjusting the volume from left to right in the final mix.

• MUTE: A switch which causes an audio track to be silenced.

• SOLO: A switch which silences all of the audio tracks except the one selected.
  

UNIT RESOURCES: