Home / Standards / GB/T 22122-2008 GB/T 22122-2008 Active Methods of measurement of surround audio for digital TV 数字电视环绕声伴音测量方法 Standard Type GBT ICS 33.160.25 CCS M74 Status 现行 Issue Date 2008-06-30 Implementation 2009-01-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A