专家说，担心手机会造成危害的人可以使用免提系统。
Experts say people who are concerned about mobile phones can take steps like using a hands-free device.
主要说明了数字语音处理芯片FM1073在蓝牙车载免提系统中进行回声消除处理的应用方法。
In this paper, we describe an application of digital speech processing chip FM1073 to improve the performance of acoustic echo cancellation in the Bluetooth hands-free system.
当今随着汽车的日益普及，人们在驾驶中使用手机免提的需求也日益增强，但是绝大多数手机并不具备免提功能，因此开发一套车载手机免提系统非常有意义。
With the popularization of cars, there is a great demand for car telephones. But most mobile telephones don't have the function of off-hook, so it's very meaningful to develop a kind of car telephone.
它的额外配置有免提拨号和撞击缓冲刹车系统。
It offers such features as hands-free telephone dialing and a collision-mitigation braking system.
不过由于CUE的功能如此丰富（从集成的Pandora网络收音机到老式的OnStar免提语言通讯系统应有尽有），即便是最熟悉科技的用户可能也需要接受一些培训。
Still, even the most technologically savvy users will likely need some training with so many features — from the integrated Pandora web radio to that old stand-by, OnStar.
引言在通信系统中，例如IP电话、可视电话及免提数字蜂窝电话系统中，回声和噪声会严重影响通信质量。
IntroductionIn the communication systems, echo and noise will seriously affect speech communication quality, such as IP telephone, videophone and hand-free digital cell phone systems etc.
采用TDA2822M的系统实现了手机的免提，通话语音清晰，具有广阔的应用前景。
The system based on TDA2822M can get a clear voice and it has capacious foreground.
介绍了车载手机免提通过有线方式的实现，分别给出了采用LM386和TDA2822M有线收发系统的硬件电路和调试方法，提出了抗干扰措施。
The hardware circuits and the debug methods based on LM386 and TDA2822M are given, and the anti-jamming methods are also given.
介绍了车载手机免提通过有线方式的实现，分别给出了采用LM386和TDA2822M有线收发系统的硬件电路和调试方法，提出了抗干扰措施。
The hardware circuits and the debug methods based on LM386 and TDA2822M are given, and the anti-jamming methods are also given.
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