Waldorf Q Keyboard User Manual
Also see for Q Rack: User manualUser manual
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Sound Parameters – Filter79 Waldorf Q User’s ManualFilter Panel ControlsThe most commonly used controls of the filters can be found on the front panel.Cutoff0…127Controls the cutoff frequency for the low pass and high pass filter types, the center frequency for theband pass and notch filter types and the delay length of the comb filter types.• When a low pass is selected via the Type parameter, all frequencies above the cutofffrequency are damped.• When a high pass type is selected, all frequencies below the cutoff frequency are damped.• When a band pass type is selected, only frequencies near the cutoff setting will be passedthrough.• When a notch type is selected, the frequencies near the cutoff frequency are damped.• When a comb type is selected, the frequencies near the cutoff frequency are emphasized(comb+) or attenuated (comb-).You can bring more movement into the sound by modulating the cutoff frequency via the LFOs, theenvelopes or the Keytrack parameter. At a value of64 and a Resonance value of114, the filteroscillates with 440Hz, which is equal to A3 (the Comb+ type oscillates one octave higher). Tuning isscaled in semitone steps. When Keytrack is set to+100%, the filter can be played in a temperedscale.Resonance0…127Controls the emphasis of the frequencies around the cutoff point. Use lower values in the range of0…80 to give more brilliance to the sound. At higher values of80…113 the sound gets the typicalfilter character with a strong boost around the cutoff frequency. When the setting is raised to valuesabove113, the filter starts to self-oscillate, generating a pure sine wave. This feature can be used tocreate analog-style effects and percussion-like electronic toms, kicks, zaps etc.Keytrack-200%…+197%Determines how much the cutoff frequency depends on the MIDI note number. The reference notefor Keytrack is E3, note number 64. For positive settings, the cutoff frequency rises on notes above thereference note, for negative settings the cutoff frequency falls up to higher notes and vice versa. Asetting of+100% corresponds to a 1:1 scale, so e.g. when an octave is played on the keyboard thecutoff frequency changes for the same amount. If you want to play the filter in a tempered scale, e.g.for a solo sound with self-oscillation, set the value to+100%. On most bass sounds lower settings inthe range+50…+75% are optimal to keep the sound smooth at higher notes.Type see chapter “Filter Types”Selects the filter type. Further information on the different filter types is given at the end of thischapter.Env-64…+63Determines the amount of influence the filter envelope has on the cutoff frequency. For positivesettings, the filter cutoff frequency is increased by the modulation of the envelope, for negativesettings, the cutoff frequency is decreased. Use this parameter to change the timbre of the sound overtime. Sounds with a hard attack usually have a positive envelope amount that makes the start phase |
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