Abstract
The present study seeks to investigate the statue of nasal vowels in Portuguese, a topic that raises discussions between two main current hypotheses, the biphonemic hypothesis (CÂMARA JR., 1970; CAGLIARI, 1977; DUARTE & TEIXEIRA, 1979; LOPEZ, 1979; MATEUS & D'ANDRADE, 2000; BISOL 2002; and BATTISTI, 2014) and the monophonemic hypothesis (LÜDTKE, 1953; LEITE, 1974 apud CALLOU & LEITE, 1990…