A compressor pedal is an electronic distortion pedal which enables you to boost the way a musical instrument sounds by limiting the level of over-tones, bass, or treble. Compression is typically applied to whatever source of music, including a guitar, delay, keyboards, vocals, etc., and functions by changing the overall dynamics and frequency of the sound. When using a compressor, the signal is compressed in time with an attack time, and then the volume is gradually restored. This type of sound is typically used in conjunction with another type of effect, such as an amp simulator or distortion gate. There are many types of compressors, some more common than others. Some popular compressors include the Line 6 Pod Compressor, the Mackie Massey Zooming Compressor, and the SSL stage two compressor.
The SSL compressor pedal offers two different methods of compressed signal processing, namely compressor mono and balanced sound. For both methods, the input signal is sent through one valve, which is characterized by having a touch-pot on the control knob. When compressed, this valve allows the air to flow through the port, while keeping the same pressure on the valve as when the valve was un-compressed. The valve is then given a varying amount of gain until the desired result is achieved.
Compressors in this category are typically used for recording purposes. However, they can also be used in signal chains, which are simply sections of audio signals which are combined or processed together. When combined with other audio devices such as an effect pedal or a virtual synthesizer, the combined signal chain has more harmonic versatility than single-ended compressors. For instance, a rhythm guitarist could put together a lead and chorus section of a song using the same compressor pedal. Some keyboards have special "stomp-dodge" control which allows users to specify a particular type of compression.
There are three types of compression that can be used on a compressor pedal. These include dynamic, limiting, and linear. A dynamic compression is similar to what you would use on an amp; it is characterized by a continuous attack on the pedal and a gradually increasing gain-reduction. Limiting is similar to what you might hear in a compressor; it is also a continuous attack on the pedal, but with a limiting effect. Linear is the last type, and is perhaps the most controversial. Since it is non-linear (which means that the exact gain-reduction cannot be predicted), many signal processors ignore it, so it is not widely used.
Compressor pedals usually come with volume and level control, but there are some models which allow additional controls, including one-touch sustain and release. One-touch sustain controls the level of the sound during playback. Release control is useful for making sure that your signal doesn't damage your speakers.
Basically, a compressor pedal increases the gain of the incoming signal by decreasing the average level of the incoming signal multiplied by the ratio of that gain. If you are using a compressor with a ratio of 100:1, this will result in an increase sustain level. The highest output signal will always have the most sustain level (the loudest signal will always have the lowest sustain levels). You can change the sustain level by simply changing the level-control. This also makes it easy to mix a signal chain.
The advantages of a compressor pedal include the ability to achieve a wide range of guitar tone effects. This is because the compressor will "shape" the sound of the sound, resulting in a more controlled and precise sound. The effects of a compressor pedal can be used to achieve the following effects: boosting, clipping, equalizing, compression, true compression, treble boost, and limiting. Of course, each of these different effects has its own purposes and the use depends on the type of sound you are trying to create.
A balanced sound pedal can be very useful when used with a compressor pedal. The compressor will provide a consistent level of signal saturation which will help maintain a clean overall tone. Most balanced sound pedalboards include a mid-range filter and a treble boost. The treble boost can also be useful when trying to emulate an acoustic guitar effect. Some balanced sound pedalboards also include a compressor.