The MP3 technology was formulated by a German firm named as Frauhofer-Gasellshaft. Karl-Heinz Brandenburg, Thomas Sporer, Bernd Kurten, Ernst Eberlein and Bernhard Grill are the people most widely credited as the discoverers of MP3. These are the persons, which are named on the MP3 exclusive rights. Karlheinz Brandenburg and Dieter Seitzer are the names, which are closely connected with the innovation of MP3.