Zarlink公司的VEC算法还为线路增加了一种称为"舒适噪声"(comfort noise)的独特声音类型。舒适噪声被调整到与呼叫方的背景噪声相匹配,因此在回声消除后,线路听上去不是那么死气沉沉。
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舒适噪声产生技术(CNG)就是发送端在静音期间发送一些分组信息帧,从而生成使用户感觉舒服一些的背景噪声。
Comfort noise Generator (CNG) is that sender sends a few frames in silent time and receiver generates comfortable background noise using those frames.
介绍了川崎重工为满足客户提出的大幅度降低噪声和提高乘坐舒适度的要求而对客车进行的研究工作。
Described are the researching work on passenger cars by Kawasaki in order to meet the customer's requirements of great reduction of noise and improvement of ride comfort.
在大城市工作是一件喜忧参半的事,大城市生活方便和舒适,但是噪声污染和交通拥挤却是两大令人头痛的事。
Working in a big city is a mixed blessing, it is so convenient and comfortable there, but noise pollution and traffic congestion are two big headaches.
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