本论文的主要任务是研究蓝牙的应用模型，并实现车载免提应用模型和耳机应用模型。
The main task is to research and implement Bluetooth Handsfree Profile and Bluetooth Headset Profile.
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.
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.
公司成立于2005年，集研发、生产、销售、服务于一体，经营车载蓝牙，蓝牙免提等系列产品，并拥有专业的研发、设计、工程等团队。
We manage design, manufacture, marketing and after-sale service. Our main products are bluetooth handsfree car kit, Now, we have professional group in design, research, and engineering departments.
公司成立于2005年，集研发、生产、销售、服务于一体，经营车载蓝牙，蓝牙免提等系列产品，并拥有专业的研发、设计、工程等团队。
We manage design, manufacture, marketing and after-sale service. Our main products are bluetooth handsfree car kit, Now, we have professional group in design, research, and engineering departments.
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