Filters
-------
:Author: Mark McCurry
:Date: July 5, 2009

In ZynAddSubFX filters can be used at several different stages to
increase or decrease a defined set of frequencys.

Types
~~~~~

ZynAddSubFX currently supports a wide set of filters that it can provide

image:images/filter0.png[]

Values
~~~~~~

Each of these filters will be affected by their Q values, number of poles, and
cutoff values.

The folowing diagram shows the frequency response under different Q values:

image:images/filter1.png[]

The folowing diagram shows the frequency response under a different number of
poles:

image:images/filter2.png[]

User Interface
~~~~~~~~~~~~~~

A picture of the UI will go here
