IEEE 1652-2008 电话测量的自由场声学基准

标准号：IEEE 1652-2008
中文标准名称：电话测量的自由场声学基准
英文标准名称：Free Field Acoustic Reference to Telephony Measurements
标准类型：M11
发布日期：2008/12/10 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：M11
国际标准分类号：33.040.35
引用标准：ITU-T P.57-2005;ITU-T P.58-1996;ITU-T P.581-2000
适用范围：This standard provides the techniques and rationale for referencing acoustic telephony measurements to thefree field. It applies to ear-related measurements such as receive, sidetone, and overall.A common acoustic reference point is needed for comparing electroacoustic performance of handset,headset, handsfree, and other kinds of telephone terminals. It is also needed for comparing telephoneterminals with other devices such as loudspeakers, mobile communication devices, multimedia terminals,and consumer audio equipment. The free field is the appropriate reference point because the results relateclosely to what is heard by the listener. Therefore, the free field is a more widely applicable reference pointfor telephony measurements than the traditional ERP (ear reference point).