Cantor was not based on singing samples, and its results were reproduced by a morphing additive synthesis engine derived from VirSyn's Cube software synthesizer.

Each phoneme is created by passing an additive sound source through a formant filter, which morphs between a start and an end state.

The concept of voiced and unvoiced sounds was complicated but was used to describe how Cantor was able to master its language capabilities of human speech.

It never claimed to mimic a real singer's voice and was intended purely for special effects.

Despite being a rival program to Vocaloid, it was able to be purchased on Crypton Future Media's website.

Despite its capabilities, one of its let-downs was considered the high price for its contents in comparison to other software.

The simple design of its interface despite the complexity of its capabilities was highly praised overall by reviewers.

[2] However, Cantor and Vocaloid were based on the same concepts and ideas; they shared a number of similar designs.