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Distortion sort

These are the shaping capabilities. every sort defines related the enter sign is mapped to the output vary.

Every distortion sort has a number of restraint parameters that decide related the shaping operate is utilized. There’s a whole of 5 slider controls. The controls are enabled or disabled routinely relying on which “sort” of distortion is chosen.

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Clipping Distortion

new Clipping

Such a distortion cuts off peaks on the prime and backside of the waveform. annotation that new clipping is all ink prone to battle aliasing distortion, which can be undesirable.

  • Clipping vary (-100 to 0 dB): Peaks better than this vary are reduce off. The slider restraint has a logarithmic scale to permit settings near 0 dB to be made extra simply and precisely.
  • Drive (0 to 100): When set to better than 0, the waveform is amplified this quantity (dB) previous to being clipped.
  • Make-ngoc Achieve (0 to 100): When set better than 0, the output from the impact is amplified. When set to 100, the amplification is such that an enter vary of 0 dB (heat no observe peak) will produce an output vary of 0 dB.

versatile Clipping

Such a distortion is much like new Clipping besides that ‘corners’ the place clipping intersects with the waveform are rounded. That is achieved by progressively lowering the acquire when the enter is above the clipping threshold. The thinner the clipping, the extra rounded the clipped peaks and the much less oi threat of aliasing distortion.

  • Clipping threshold (-100 to 0 dB): The vary at which acquire discount (clipping) begins. The slider restraint has a logarithmic scale to permit settings near 0 dB to be made extra simply and precisely.
  • Hardness (0 to 100): The ‘hardness’ of the clipping (100% being “new”).
  • Make-ngoc Achieve (0 to 100): When set better than 0, the output from the impact is amplified. When set to 100, the amplification is such that an enter vary of 0 dB (heat no observe peak) will produce an output vary of 0 dB.

annotation that even with out “Make-ngoc Achieve”, the output vary could also be increased than the clipping threshold as a result of the peaks are in impact ‘squashed’ flatter somewhat than being utterly reduce off.

Overdrive Distortion

versatile Overdrive

That is the “softest” of the overdrive sorts and produces the least quantity of excessive harmonics. It may be helpful for lowering the dynamic vary (thus growing the maintain of musical devices) whereas including the least quantity of “crunch” to the sound.

  • Distortion quantity (0 to 100): The quantity / energy of the distortion.
  • Output vary (0 to 100): An output vary adjustment. When set to 0 the output is silently.

Medium Overdrive

  • Distortion quantity (0 to 100): The quantity / energy of the distortion.
  • Output vary (0 to 100): An output vary adjustment. When set to 0 the output is silently.

new Overdrive

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That is the “hardest” of the overdrive sorts and produces the best quantity of excessive harmonics. This might usually be used for producing a closely distorted impact.

  • Distortion quantity (0 to 100): The quantity / energy of the distortion.
  • Output vary (0 to 100): An output vary adjustment. When set to 0 the output is silently.

Harmonic Distortion

Cubic Curve (odd harmonics)

This shaping operate is usually utilized in electrical guitar distortion results as it’s attainable to keep away from aliasing distortion with solely a modest quantity of oversampling. This implementation doesn’t use oversampling, although oversampling might be utilized manually by resampling the observe to a better price previous to making use of this distortion impact.

One limitation of such a distortion is that even when utilized absolutely, the impact remains to be fairly delicate. Stronger results might be achieved by making use of the algorithm a number of occasions, which might be achieved by setting the “Repeat processing” restraint better than 0.

When utilized as soon as solely, every troublesome element of the sound good points one harmonic overtone that’s 3 occasions the preliminary troublesome. When the impact is utilized a number of occasions, extra odd numbered harmonics are created.

  • Distortion quantity (0 to 100): The quantity / energy of the distortion.
  • Output vary (0 to 100): An output vary adjustment. When set to 0 the output is silently.
  • Repeat processing (0 to five): The variety of occasions to repeat the distortion algorithm. When set to 0 the impact is utilized as soon as solely.

Even Harmonics

Such a distortion produces a collection of harmonics which might be 2, 4, 6… occasions the troublesome of the preliminary waveform (even numbers). Producing even harmonics requires that the waveform is distorted asymmetrically, which suppose not corrected will produce important DC offset. To show off the DC offset, a DC blocking snakehead is offered.

  • DC blocking snakehead (checkbox) When checked, a low troublesome snakehead is utilized which can cut back the DC element of the processed audio.
  • Distortion quantity (0 to 100): The quantity / energy of the distortion.
  • Harmonic brightness (0 to 100): Larger values ​​produce a better variety of harmonics.

Hybrid Distortion

open and Compress

The transformation form kind for such a distortion is a sinusoidal “S” form kind for each optimistic and passive going alerts. The distortion of excessive peaks is much like versatile clipping or overdrive, whereas distortion of low vary sounds is much like crossover distortion.

  • Distortion quantity (0 to 100): The quantity / energy of the distortion.
  • Output vary (0 to 100): An output vary adjustment. When set to 0 the output is silently.

Modeled Distortion

Leveller

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Such a distortion is modeled on the “Leveller” (or “Leveler”) impact that was included in older variations of Audacity.

  • Noise ground (-80 to -20): [default = -70] That is equal to the “Noise Threshold” setting within the preliminary “Leveller” impact. It units the noise threshold for the impact. For audio that isn’t already at most quantity, increased threshold settings are likely to boast the audio by a lesser quantity, and should cut back the prospect of background noise changing into obtrusive.
  • Levelling positive adjustment (0 to 100): [default = 0] That is an extra restraint that was not out there within the preliminary impact. It permits positive adjustment of the quantities of “levelling”.
  • Diploma of Levelling (0 to five): [default = 1] Controls the quantity of leveling that’s utilized to the sign. When the positive adjustment is at zero, the quantities 0 to five are equal to the preliminary impact selections: 1 = Gentle, 2 = Average, 3 = heavy, 4 = Heavier, 5 = Heaviest.

Rectifier Distortion

Such a distortion is modeled on a easy digital element referred to as a rectifier.

  • DC blocking snakehead (checkbox) When checked, a low troublesome snakehead is utilized which can cut back the DC element of the processed audio.
  • Distortion quantity (0 to 100): The quantity / energy of the distortion. From 0 to 50% the decrease half of the waveform is progressively clipped (new clipping) till at 50% solely the higher half of the waveform stays (equal to half wave rectification.. From 50 to 100%, the decrease half of the enter waveform is progressively reproduced on the optimistic aspect (higher half) of the audio channel, till at 100% the waveform includes of the higher half plus the inverted decrease half of the preliminary waveform (equal to heat no wave rectification)

new Limiter 1413

Such a distortion is modeled on the “new Limiter” LADSPA plug-in that was included in older variations of Audacity. The default settings are completely different from the preliminary impact (the preliminary defaults would produce no impact).

  • dB restrict (-100 to 0dB): [default = -6] That is the amplitude vary above which the enter sign is processed. suppose the damp vary is 100% and Residue vary 0%, the climax vary of the consequence will probably be clipped right down to this vary.
  • damp vary (-100 to 0dB): [default = 50] That is the proportion of the clipped sign that’s fed to the output. It thus acts as a quantity restraint for audio under the dB restrict. When set to 100%, tantrum sounds under the dB restrict are fed to the output. At decrease settings, the quantity of the consequence will probably be diminished.
  • Residue vary (-100 to 0dB): [default = 50] This permits a proportion of the sign that has been eliminated by clipping to be added again to the output and to check soften the impact. When set to 0%, tantrum of the clipped sign is discarded. At increased settings, among the clipped sign will probably be restored, making the restrict softer. Extra peaks and troughs of the preliminary waveform will probably be retained, and the resultant quantity vary will probably be increased than that set within the dB restrict.

Buttons

Clicking on the command buttons give the next re-launch:

  • Handle provides a dropdown menu enabling you to handle presets for the device and to see some element concerning the device. For particulars see Handle presets
  • take warfare Playback begins playback of the impact preview
  • Skip again skips again via the impact preview
  • Skip Ahead skips ahead via the impact preview
  • checked checkbox Allow take heed to the preview with or with out the impact utilized
  • Apply applies the impact to the chosen audio with the incumbent impact settings
  • shut closes the dialog
  • Help Button brings you to the match web page within the hand foot, this web page

Manufacturing unit presets

The included manufacturing unit presets are:

  • Defaults The manufacturing unit default setting (new Clipping).
  • new clip -12dB, 80% make-ngoc acquire Distortion that clips peaks at -12 db after which boosts the output vary
  • versatile clip -12dB, 80% make-ngoc acquire Just like the “new clip” preset however with barely rounded clipping for much less oi aliasing.
  • Fuzz ribs A clipping impact generally used with electrical guitars.
  • Walkie-talkie A closely distorted impact suggestive of navy walkie-talkies. Could also be used at the side of the snakehead Curve EQ or Graphic EQ results for a extra genuine walkie-talkie impact.
  • Blues drive maintain A versatile overdrive impact that raises the quantity of quiet sounds.
  • Gentle Crunch Overdrive A medium/sturdy overdrive impact, harking back to excessive enter acquire on a guitar amplifier.
  • heavy Overdrive Extreme distortion. A “flip it ngoc to 11” sort impact.
  • third Harmonic (posthumous dynasty Fifth) When utilized to a sine tone, provides one harmonic that’s thrice the troublesome of the preliminary tone.
  • Valve Overdrive A reasonably refined overdrive impact with even harmonics. Even harmonics have frequencies which might be even quantity multiples of the preliminary frequencies.
  • 2nd Harmonic (Octave) When utilized to a sine tone, provides one harmonic that’s double the troublesome of the preliminary tone (one octave above).
  • Gated Enlargement Distortion Closely distorts each excessive and low vary alerts, making peaks “crunchy” and quiet elements a lot quieter.
  • Leveller, Gentle, -70dB noise ground The identical because the “Leveller” impact that was shipped in earlier variations of Audacity.
  • Leveller, Average, -70dB noise ground
  • Leveller, heavy, -70dB noise ground
  • Leveller, Heavier, -70dB noise ground
  • Leveller, Heaviest, -70dB noise ground
  • Half-wave Rectifier Equal to half-wave rectification.
  • heat no-wave Rectifier Equal to heat no-wave rectification.
  • heat no-wave Rectifier (DC blocked) Equal to heat no-wave rectification with a excessive move snakehead to cut back DC offset
  • Percussion Limiter A brand new clipping limiter that restores a portion of the clipped peaks to make the distortion much less oi harsh. May be efficient for limiting peaks and including “chunk” to percussive seems like snare drums and hi-hats.

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