Exiled to France during the first six years of his life, Chañaral Ortega-Miranda started his writing and composition studies with Ezequiel Izcovich and Alejandro Iglesias-Rossi at Buenos Aires from 1989 to 1993. He established himself in France and entered the Ecole Nationale de Musique de Pantin where he followed his training in the composition class of Sergio Ortega from 1993 to 2000.
In 1998, he participated in the summer Academy of IRCAM where he worked with Magnus Lindberg and Ivan Fedele. The latter took notice of his work and invited him to his composition class, CNR in Strasbourg where he obtained his composition diploma in February 2001. In the same year he obtained a bursary from SACEM and was selected to follow the Cursus of Composition and Musical Informatics of IRCAM where he studied with Philippe Leroux, Tristan Murail and Philippe Manoury.
He has participated in several festivals: “Musiques a l’Encre Fraîche” from 1993 to 2000, the Centre Acanthes where he worked with Jonathan Harvey, Michael Jarrell, Zoltan Jeney and Peter Edtvos, the Session de Composition de la Fondation Royaumont-Voix Nouvelles under the direction of Brian Ferneyhough, Brice Pausest and Stefano Gervasoni.
His catalogue contains vocal, solists, ensembles and orchestral pieces, played in numerous festivals in Europe and Latin America. Parallel to his composition work he maintained a firm link with music of oral tradition, collaborating with Latin-American folk music groups (Quilapayun, Intilllimani).
In November 2002 Pablo Marquez created Oba 'loube oba 'ye for guitar and real time electronic at IRCAM. In May 2003 Walter Grimmer created Intihuañuy for solo cello in the concert hall la Gare du Nord in Basel; July 2003 in Avignon Tupa-Mbáe for small orchestra commissioned by the Centre Acanthes; November 2003 in Berlin the string quartet Tupac Amaru by the Arditti Quartet, commissioned by the Berlin Philharmonic.
He obtained first prize in the international composition competition “Sinfonietta du Luxembourg” 2004 with Q’inti.
Presently he is composing an opera La Reina Isabel cantaba rancheras from the novel by the Chilian Hernan Rivera Letelier.