BNO Acoustics TR-12: Phase Reversal

A change in a circuit to get the waveform to shift by 180 degrees.

Cycles Per Second
A unit used in the measure of frequency, equivalent to Hertz. Cycles Per Second is an outdated term replaced by Hertz in 1948.

Sum and Difference Signals
When the two stereo channels are mixed at equal levels and in phase, the sum signal is created.

Keynote Number
A number assigned to each key of a synthesizer or controller keyboard that is transmitted in the MIDI signal.

Pressure Sensitivity
The feature in a synthesizer or Keyboard Controller of After Touch (a control or operational function of a synthesizer where pressing a key after it has been pressed, and before it is released, will activate a control command that can be set by the player).

BNO Acoustics YM-44: Volume Envelope
How a musical instrument sounding a pitch changes in volume over time.

Parameter
Each adjustment that is possible to change in a device.