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Chapter 4: Programming Basics
47
PROGRAMMING BASICS
This is the essence of the Z-plane filter. Through the use of
interpolation, many complex parameters are condensed down into
one manageable entity.
Consider, as an example, the human vocal tract, which is a type of
complex filter or resonator. There are dozens of different muscles
controlling the shape of the vocal tract. When speaking, however, we
don't think of the muscles, we just remember how it feels to form the
vowels. A vowel is really a configuration of many muscles, but we
consider it a single object. In changing from one vowel to another,
you don't need to consider the frequencies of the resonant peaks! You
remember the shape of your mouth for each sound and
interpolate
between them.
Filter morphing can be controlled by an envelope generator, an LFO,
modulation wheels or pedals, keyboard velocity, key pressure, etc. The
filter
Fc
parameter controls morphing on certain Planet Phatt filters.
The
Q
parameter on the Planet Phatt filters can only be changed at
note-on time but can control various parameters such as boost/cut and
mouth cavity size and of course, resonance or Q.
Summary of Contents for Planet Phatt
Page 1: ...OPERATION MANUAL E mu Systems Inc Fhlanett Phatt ...
Page 9: ...1 Chapter 1 Basic Setup INTRODUCTION BASIC SETUP ...
Page 10: ...Planet Phatt Operation Manual 2 ...
Page 17: ...Chapter 2 Basic Operation 9 BASIC OPERATION ...
Page 18: ...Planet Phatt Operation Manual 10 BASIC OPERATION ...
Page 27: ...Chapter 3 Master Menu 19 MASTER MENU ...
Page 28: ...Planet Phatt Operation Manual 20 MASTER MENU ...
Page 43: ...Chapter 4 Programming Basics 35 PROGRAMMING BASICS ...
Page 44: ...Planet Phatt Operation Manual 36 PROGRAMMING BASICS ...
Page 63: ...Chapter 5 Edit Menu 55 EDIT MENU ...
Page 64: ...Planet Phatt Operation Manual 56 EDIT MENU ...
Page 88: ...Planet Phatt Operation Manual 80 EDIT MENU ...
Page 89: ...Chapter 6 Step By Step 81 STEP BY STEP ...
Page 90: ...Planet Phatt Operation Manual 82 STEP BY STEP ...
Page 103: ...Chapter 7 Reference Section 95 REFERENCE SECTION ...