The third key point of departure is a conceptual one. What's more, all changes to notes, lyrics and vocal timbre are made instantaneously, with no need to wait whilst a file is rendered, and all parameters can be MIDI controlled and automated within your sequencer. The second crucial difference, which is a consequence of the first, is that unlike Vocaloid, Cantor is a true virtual instrument, which can be 'played' in real time from a MIDI keyboard. These filter responses are fully editable, and up to to six peaks and three troughs in the formant filter response can be specified as morph points. Each phoneme is created by passing an additive sound source through a formant filter, which morphs between a start and an end state. Instead, a morphing additive synthesis engine derived from Virsyn's Cube software synth is used to generate the 39 phonemes which Virsyn use to reproduce English speech or singing. There are, however, three fundamental differences between Cantor and Vocaloid. It can operate either as a stand-alone application or a VST or Audio Units plug-in, with Rewire and RTAS support promised in a coming update and even when used as a plug-in within a host sequencer, it employs its own piano-roll-style grid for note and lyric entry. A mere four months later, the finished program is with us.Ĭantor bears a number of operational similarities to Vocaloid. At this year's Frankfurt Musikmesse, meanwhile, innovative German soft-synth designers Virsyn gave the world its first glimpse of their take on the singing computer concept. Yamaha's Vocaloid technology, introduced last year, allows developers to sample the characteristic building blocks of a human voice and create a virtual vocalist, ready to sing anything you care to throw at him, her or it. We're used to this sort of technological miracle by now, but even so, it's hard not to feel a touch of Tomorrow's World-style wonderment about the advent of singing synthesizers. Who could have predicted that a small grey box would be able to record hundreds of audio tracks, put a tone-deaf singer in tune, or place a virtual symphony orchestra at our fingertips? To an engineer of 30 years ago, today's software tools would be the stuff of science fiction. If your computer could sing, what would it sound like? With Virsyn's Cantor software synth, you can find out.
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