Historical informations on sound recording issues, machines and techniques, brings an overview on importance of the sound heritage. Afterwards, Collection of Old Gramophone Records of National Library of Serbia is presented, number of records, some problems we are facing during its cataloguing, and through short global analysis of Collection. The second section brings questions and answers on digitization issues of sound recordings, on one side, and on the other, it shows each step of digitization process, from its beginning to its end, which is digital object, public available. At the end our project is shortlz analzyed, and some ideas and possible actions for futere are stated.