What is "adif"

ADIF or Adif may refer to:

• Audio Data Interchange Format (ADIF), a file format to exchange Advanced Audio Coding (AAC) data; see
• Adif (Administrador de Infraestructuras Ferroviarias), the state company responsible for railway infrastructure (track and stations) in Spain
• Administración de Infraestructuras Ferroviarias Sociedad del Estado (ADIF), the state company responsible for railway infrastructure in Argentina