Home / Standards / GB/T 15528-2013 GB/T 15528-2013 Active Methods of measurement on microphones and earphones for speech communications 语音通信用传声器和耳机测量方法 Standard Type GBT ICS 33.160.01 CCS M72 Status 现行 Issue Date 2013-12-31 Implementation 2014-07-15 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A