After testing the voice codec system, all the functions have met the design requirements.

研制的语音编解码系统板经测试，各项功能均符合设计要求。

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PHS uses TDMA/TDD for its radio channel access method, and 32 kbit/s ADPCM for its voice codec.

小灵通使用TDMA(分时多址)/(时分复用)作为其接入无线网络的方法，且声讯编码以自适应差分脉冲编码调制方式调制，速率为每秒32千比特。

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In the article, knowledge and technology of voice CODEC and transmission over IP network is studied.

本文研究了IP网络语音处理、传输的有关知识与技术。

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The earSmart eS515 Smart Sound Processor combines the company's award-winning Advanced Voice processing technology with its first high-performance, low-power audio codec for a best in class voice, speech recognition and multimedia experience on a mobile device.

ENGADGET: Audience eS515 Smart Sound Processor brings three-mic support and selective audio capture to phones

The earSmart eS515 Smart Sound Processor responds to this need by delivering a number of industry first innovations: simultaneous 3-microphone processing, optimized Automatic Speech Recognition (ASR), Mobile Audio Zoom and Super Wideband support for Voice over IP (VoIP), combined with a robust audio codec designed specifically for the newest mobile devices.

ENGADGET: Audience eS515 Smart Sound Processor brings three-mic support and selective audio capture to phones