What is vocaloid??? Vocaloid  is a singing voice synthesizer. Its signal processing part was developed through a joint research project led by Kenmochi Hideki at the Pompeu Fabra University in Barcelona, Catalonia, Spain, in 2000 (the same team that later founded Voctro Labs[1]) and originally was not intended to be a full commercial project. Backed by the Yamaha Corporation, it developed the software into the commercial product Vocaloid.And the name is from        

Here is a link to the shop   https://net.vocaloid.com/en