Difference between revisions of "Distortion"
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| − | + | '''Distortion''' is technically any change to the waveform of a signal. The specific type of distortion we are most familiar with is '''clipping''' - where the peak amplitude of a signal exceeds the ability of an amplifier to reproduce it accurately. The peaks are compressed - visually, this gives the appearance that they have been clipped off. | |
| − | However, not all clipping is desirable, often the result of poor gain staging. This may result in crackles, static sound in the signal, reduced clarity, and decreased signal-to-noise ratio. | + | Clipping can be desirable for certain instruments or for a whole song. Many devices and pieces of software have been created to provide such "musical" distortion. Guitar is a primary instrument that makes use of distortion, often preferring the ''soft''-clipping of vacuum tubes over the ''hard''-clipping of silicon-based amplifiers. |
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| + | However, not all clipping is desirable, often the result of poor [[Tone#Gain Staging|gain staging]]. This may result in crackles, static sound in the signal, reduced clarity, and decreased signal-to-noise ratio. | ||
[[Category: Sound]] | [[Category: Sound]] | ||
[[Category: Distortion]] | [[Category: Distortion]] | ||
Latest revision as of 22:56, 25 June 2015
Distortion is technically any change to the waveform of a signal. The specific type of distortion we are most familiar with is clipping - where the peak amplitude of a signal exceeds the ability of an amplifier to reproduce it accurately. The peaks are compressed - visually, this gives the appearance that they have been clipped off.
Clipping can be desirable for certain instruments or for a whole song. Many devices and pieces of software have been created to provide such "musical" distortion. Guitar is a primary instrument that makes use of distortion, often preferring the soft-clipping of vacuum tubes over the hard-clipping of silicon-based amplifiers.
However, not all clipping is desirable, often the result of poor gain staging. This may result in crackles, static sound in the signal, reduced clarity, and decreased signal-to-noise ratio.