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The Ensoniq VFX Synth was initially released as a performance type synthesizer in 1989. Shortly after, the VFX-SD followed and included some updated waveforms (drum waves), a 24-track sequencer and a floppy drive. Both models were equipped with the Ensoniq Signal Processing (ESP) chip for 24-bit effects. The VFX-SD also included two AUX outs, which allowed for a total of 4 outputs from the synth for more routing flexibility. The initial models were 21-voice polyphony, and in latter models of the VFX-SD (I/II) and the SD-1, the polyphony was 32. There were many features that caused this synth line to be popular. Some of these were: #The sound of the synth itself. #The performance capabilities for live use. #The versatility of the sequencer (VFX-SD's). ==Synthesis types== The VFX employed 3 types of synthesis: Transwave Wavetable Synthesis, Sample playback and Subtractive Synthesis. The Transwaves gave the VFX a unique sound as the only other instruments (at the time) using wavetable synthesis were the PPG Wave machines. The wavetable positions and directions of scan could be modulated in a variety of ways, giving a very animated and "alive" sound when programmed correctly. Transwaves are also the only way to get the typical resonance sound since the filters of the VFX didn't have a resonance parameter. The waveforms in the original VFX and early VFX-SD synths are 16-bit resolution with a sample frequency of approximately 39 kHz. They covered the standard list of piano, bass, guitar, string and solo varieties, as well as many others, all to Ensoniq's high quality. The VFX can be very deep and atmospheric by combining the waveforms themselves however a single sound can contain up to 6 oscillators at a time providing for some complex layered and detuned sounds. The voice structuring, comprehensive matrix modulation, controller keyboard settings and performance capabilities are pretty advanced and versatile for a synthesizer of this vintage. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ensoniq VFX」の詳細全文を読む スポンサード リンク
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