The voice format was devised by John de Mol, creator of Big Brother, and unlike other singing talent shows because only the voice potential will be evaluated without giving importance to physical appearance of the participants.
O formato de La voz foi ideado por John de Mol, creador de Gran Hermano, e diferénciase doutros talent shows de canto porque só se avaliará o potencial de voz sen darlle importancia ao aspecto físico dos participantes.