Yamaha FX900 FX900 Owners Manual Image - Page 30
Reverb, GROUP
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■ REV1 (Reverb 1) GROUP • PCM --- Mono Pitch Change PITCH CHANGE 1 makes it possible to produce two independently pitch-shifted output notes in addition to the direct signal, so you can create three-part harmonies with a single input note. FB A MIX LPF PITCH PEAL Li/L B LPF PCA FIN DLYA +4 +8A 1300.0 PCB FINB DLYB +5 +8 325.0 PBAL LPF FB A=B THRU +30 KEY MIX LVL OFF 50 0 PCA (1st Pitch Shift: -12 - +121 PCB (2nd Pitch Shift: -12 - +121 These two parameters set the pitch of the first or second pitch-shifted note between one octave below (-12) and one octave above (+12) the input note. FINA (1st Fine Tuning: -100 - +100) FINB (2nd Fine Tuning: -100 - +100) Permit fine tuning of the first or second pitch-shifted note in 1-cent steps (1 cent is 1/100th of a semitone). DLYA (1st Delay Time: 0.1 -1300 ms) DLYB (2nd Delay Time: 0.1 -1300 ms) The DLYA and DLYB parameters determine the time delay between input of the original note and output of the first or second pitch-shifted note. PBAL (Pitch Balance: A=50 - A=1. A=B. B=1. B=50) Sets the balance between the 1st and 2nd pitch-shifted notes. a setting of "A=50," for example, produces only the sound of the 1st note. "A=B" produces both notes in equal balance. "A=50" produces only the sound of the 2nd note. 29 LPF (Low-pass Filter Cutoff Frequency: 1.0kHz - 11kHz, THRU) Sets the cutoff frequency of the low-pass filter. The "THRU" setting bypasses the filter. FB (Feedback: -100 - +100%) When this parameter is set to 0, only a single pitch-shifted sound is produced after the DELAY time has elapsed. As the value of this parameter is increased, however, more and more delayed repeats are produced, each pitch-shifted up or down from the previous repeat according to the settings of the PCA and PCB parameters. KEY (Base Key: OFF. C1 - C6) This parameter sets the "base key" for an external MIDI synthesizer used to control the amount of pitch change produced (the MIDI OUT terminal of the synthesizer must be connected to the FX900 MIDI IN terminal, and the FX900 must be set to receive on the MIDI channel on which the synthesizer is transmitting). If, for example, the KEY parameter is set to C4, pressing the C3 key on the synthesizer (C3 is one octave lower than C4) will set the pitch change value to -12. Pressing D4 on the keyboard would produce a pitch increase of one whole-tone (+2). When two keys are pressed, the highest note determines the pitch of the PCA (or PCL in the PCS program) sound, and the lower note determines the pitch of the PCB (or PCR in the PCS program) sound. If a key more than one octave higher or lower than the base key is pressed, the resultant pitch change setting will still be within the -12 to +12 range, as shown in the illustration below. If the KEY parameter is set OFF, pitch cannot be controlled via the MIDI IN terminal. MIX (Mixing: 0 -100%) Sets the balance between the direct and pitch-changed sound. LVL (Output Level: -30 - +6 dB) Determines the output level of the PCM effect.
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