Wah Pedal - M-Audio black box User Manual

Auto Wah
Also known as envelope wah, this effect simulates, for example, a wah pedal that automatically rocks back and forth each time a
new note is played. Because of this automatic rocking back and fourth, you can achieve an affect that is simply not possible with a
standard wah pedal. A perfect example of this effect can be heard on the guitar solo in Edie Brickell and the New Bohemians' song
"What I am." Instead of a Speed control, this effect has a "Frequency" control. You can think of Frequency as a "brightness" control.
Lower values create a deeper tone while higher values create a brighter tone. Try a setting of about (35). The depth should be set at
(99) for best results. There are two different Auto Wah effects to choose from: 1) the wah frequency closely follows your note volume
as it is picked and decays, and 2) picking the note starts the wah frequency to slowly rise then fall at fixed rates, and rise higher if
you pick harder.

Wah Pedal

The "wah" pedal has been around since the early 60's. The wah pedal uses a bandpass filter that exhibits a resonant peak at its
bandpass frequency. The resonant peak can be moved up and down in frequency by the player, and this makes for a striking
emulation of the human voice making a "waaaah" sound. A standard wah pedal has an on/off switch at the toe position. As
expression pedals have no such on/off function, a momentary foot switch connected to the rear panel must be used to turn the wah
effect on and off.
Talk Box
This simulates the classic talk box effect made popular by Peter Frampton's song "Show Me the Way" and later by Bon Jovi's "Living
on a Prayer." Originally, this effect was generated by a device that piped the instrument's sound into your mouth via a plastic tube.
Moving your mouth as you played added vocal characteristic to the sound, which was picked up by a mic. This simulation doesn't
generate specific words, but it does replicate a variety of mouth movements—without making you choke on a plastic tube. There
is no speed control for this effect, as it will follow the current tempo or incoming MIDI Clock. The depth should be set at (40) for best
results. There are two different talk box effects to choose from.
MIDI Velocity to Filter
In this effect, a bandpass filter is used with incoming MIDI velocity modulating the filter frequency. For example, if you record a MIDI
track into a sequencer by simply pressing a keyboard key over and over at different velocity values, then play that MIDI track back to
the Black Box while you play guitar, the filter frequency will change proportionally to the note velocities you played. This allows you to
create your own custom filter sequences.
MIDI Note to Filter
In this effect, a bandpass filter is used with incoming MIDI note values modulating the filter frequency. For example, if you record
a MIDI piano track in your sequencer and play that track in to the Black Box as you play guitar, the filter frequency will match the
frequency of the notes played by the sequencer.
MIDI Modulation to Filter
In this effect, a bandpass filter is used with incoming MIDI controller values modulating the filter frequency. The filter will respond to
controller numbers 1 (mod wheel), 11, 16, 70 and 74.
MIDI Velocity to Flanger
In this effect, a flanger is used with incoming MIDI velocity modulating the flanger delay. For example, if you record a MIDI track into
a sequencer by simply pressing a keyboard key over and over at different velocity values, then play that MIDI track back to the Black
Box while you play guitar, the flanger tone will change proportionally to those velocity values.
MIDI Note to Flanger
In this effect, a flanger is used with incoming MIDI note values modulating the flanger delay. For example, if you record a MIDI piano
track into a sequencer and play that track in to the Black Box as you play guitar, the flanger tone will match the frequency of the notes
played by the sequencer. This allows you to create your own custom arpeggiating flanger sequences.
MIDI Modulation to Flanger
In this effect, a flanger is used with incoming MIDI controller values modulating the flanger delay. The flanger will respond to
controller numbers 1 (mod wheel), 11, 16, 70 and 74.
You can also use the Expression pedal to control the effects of your MIDI Preset parameters in the place of using a MIDI Keyboard.
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