Ar hyn o bryd, dim ond lleisiau synthetig Saesneg eu cyfrwng sydd ar gael i gleifion sydd wedi colli eu llais a gall hyn effeithio ar eu gallu i gyfathrebu â ffrindiau ac aelodau'r teulu maen nhw wedi siarad Cymraeg â nhw ar hyd eu hoes.
Currently, patients who have lost their voices only have access to English medium synthetic voices which impacts on their ability to converse with friends and family with whom they have always spoken Welsh.