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PNP is a program for tutorial purposes in the signal processing area. It allows to set, move and remove poles and zeros of an one dimensional digital filter. The program shows different effects of the filter in the frequency domain.
This educational application implements a finite impulse response (FIR) audio filter. It has the ability to visualise the correspondence between input and output wave forms. It is implemented as a Java™ application.
AMPT is a tool for transforming MIDI messages originating from any external MIDI keyboard or other software in a performance or experimental setting. MIDI is routed and transformed in AMPT by linking devices on a virtual canvas. AMPT Filters will offer delay, echo, transpose, and arpeggio. AMPT also works as a MIDI router or loopback.
MIDI Rules is a Rule-Based MIDI Processing Environment that can process (translate, map, convert, filter, trigger, route) MIDI messages. It supports multiple MIDI inputs/outputs, variables (enables state-based processing) and timed/delayed messages.
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