Given the meager attention accorded to sound art by museums, the fact that a large exhibition of the genre has been traveling to key European venues this year is a significant development. Originating at Barcelona’s Museu d’Art Contemporani and currently at the Centre Georges Pompidou in Paris, “Sonic Process: A New Geography of Sounds” examines the confluence of electronic music, sampling, and the visual arts during the past decade. The show’s curator, Christine Van Assche, of the Pompidou, points out the difficulties of mounting a show devoted to the subject: “The exhibition of sound works