Automatic Double Tracking A tape delay that is used to simulate double tracking using only one recording. Also known as ADT. Aliasing An issue that occurs when the sampling rate (in analogue to digi conversion) has been set too low. Analogue Equipment that is 'real' and not digital. A continually changing voltage or current that represents a sound (sound is analogous to the original sound wave). Anechoic Chamber A room, insulated from any external vibrations or noise ( no reverb and silent) Artificial Harmonics playing technique on guitar or string inst, Fretting the note with hand simultaneously touching a node point to create a harmonic and plucking the string. Attack the time taken for a sound to reach its max amplitude // time taken for a processor to act after the signal has passed a set threshold (e.g compressor) Bit Depth the number of bits available to describe a number. the more bits the more resolution. a lower bit depth increases hiss and grainy audio because the steps between one value and another become audible Centre Frequency The frequency at which a band-pass or notch filter will have the maximum effect Clipping Exceeding the max volume specification of a given device. Also known as peaking or distortion, when digital this is unpleasant. On analogue equipment, this is sometimes acceptable or desirable. Cut-off Frequency The value at which a filter has an audible effect on the frequency range. Normally applied to a LPF or HPF. CV/Gate Control Voltage used in analog systems to control external devices from a sequencer. CV controls the pitch and the gate controls the note on/off Delay Effect in which the original signal is repeated one or more times. Double-Tracking Recording (overdubbing) a nearly identical version of an existing track on a separate track, which is played back at the same time (layered) to create thicker sound Drawbars
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