免提电话 meaning in Chinese

handfree phone
hft hands-free telephone

Standard method for measuring transmission performance of handsfree telephone sets
免提电话通话性能测量的标准方法
Invest in a hands - free car phone and save “ friend ” callbacks until you ' re on the road
装一个车载免提电话，然后在路上再给你朋友回电话。
With the rapid development of communication techniques , digital signal processing and vlsi techniques , people demand higher and higher speech quality in communication
随着通讯、数字信号处理和大规模集成电路技术的飞速发展，人们对语音通信(如视频会议系统和免提电话等系统)质量的要求越来越高。
So acoustic echo cancellation ( aec ) technique has become a hotspot of competition in famous communicaton company all over the world . however , it is not always easy to implement acoustic equipments for communication system with satisfactory speech quality
回波消除技术能有效地解决长距离电话网络、 ip电话、免提电话和视频会议等通信系统中的回波问题，很好地改善了语音通信质量，具有广阔的市场前景。