GENERAL SECRETARIAT INTERNATIONAL TELECOMMUNICATION UNION Subject: INFORMATION NOTE Recommendation ITU-T 5.57 (ex CMTT.724) (1990) TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU Geneva, 6 December 1996 Recommendation ITU-T 5.57 (ex CMTT.724) (1 990) Transmission of digital studio quality sound signals over H 1 channels The United States of America withdraws its reservation concerning its approval of this Recommendation. Union internationale des tlcommunications Place des Nations 12 1 1 GENEVE 20 Suisse - Switzerland - Suiza
