Yamaha A5000 Owner's Manual - Page 52
Lfo Setup
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ESSENTIAL PROCEDURES The graphic envelope display in the upper right corner of the LCD panel will give you a general idea of the current amplitude envelope shape. 4. Set the Rate Scaling, Velocity Sensitivity, and Attack Mode Use Knob 1 to highlight the 2nd function line on the display, and set the "RateScaling," "Velocity →Rate," and "AttackMode," parameters as required. RateScaling Velocity→Rate AttackMode This parameter can be adjusted so that the evelope's rates increase or decrease toward the higher notes in your keyboard or other controller's range. This simulates the envelope characteristics of many acoustic instruments in which the overall envelope is shorter on higher notes (piano is one example). Positive values produce a shorter envelope on higher notes, while negative values produce a longer envelope on higher notes. With this parameter the envelope can be set so that its rates varies according to keyboard (or other controller) velocity. In other words, the overall envelope rates, and therefore the length of the notes, will vary according to how hard each note is played. This parameter can be set to both positive and negative values: positive values produce faster rates in response to higher velocity, while negative values produce slower rates in response to higher velocity. The normal attack mode is "rate" in which the attack of the envelope starts at zero and then increases toward maximum at a rate determined by the setting of the "AttackRate" parameter (above). If the "AttackMode" parameter is set to "hold", however, the envelope starts immediately at maximum level, and the "AttackRate" parameter determines how long maximum level is maintained before the initial decay begins. • Scroll below the "EDIT-AmpEG" display to go to the "EDIT-FilterEG" (filter envelope generator) page, and then below that page again to go to the "EDIT-PitchEG" (pitch envelope generator) page. See the section beginning on page 137 for full details on all EG parameters. Step-by-Step LFO SETUP The A5000/A4000 LFO (Low Frequency Oscillator) can be used to apply low-frequency modulation to amplitude (for tremolo type effects), pitch (for vibrato type effects), or filter cutoff (for wah-wah type effects). 1. Go To the LFO Display If you are not already there, press the [EDIT] button and then the [LFO] function key to go to the "EDIT-LFO" display. 52 Chapter 2 Sampler Basics & Essential Procedures • A5000/A4000 q q q q q q q q q q q q q q q q q q q q q q q q q q q q q q q q q q q q q q