The Re-analogue effect adds effects to the audio file that make it sound artificially older.  
The following setting options are available:
Check box
Hiss

Adds noise to the audio file.

Slider
Level

Specifies the intensity of the noise.

Check box
Retro Radio

Makes the audio file sound slightly distorted, similar to the effect of an old radio.

Slider
Level

Specifies the intensity of the distortion effect.

Check box
Clicks

Adds the effect of scratches and dust on an old record.

Slider
Clicks

Specifies the frequency and intensity of scratches as on an old record. 

Slider
Crackle

Specifies the frequency and intensity of crackling as on a vinyl record. 

Option buttons
Source

Offer a choice of different record types.

Check box
Buzz

Adds a low frequency hum to the audio file.

Slider
Level

Indicates the intensity of the hum.

Slider
Overtones

Specifies the number of overtones the frequency has.

Slider
Slope

Specifies the steepness of the transitions between high and low level. This setting make the hiss sound “scratchy”.

Option buttons
Frequency

Specify the hum frequency.

 
Frequency
The frequency denotes the oscillations per second of an electrical or magnetic field. With audio files this means that the frequency increases with rising pitch. The unit is Hertz (Hz). The highest magnitude of oscillation is called the amplitude.


Re-analogue