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。
According to the trend of digital network, the "U" interface technology of ISDN and ADPCM technology is adopted.
配合数字化网络趋势，该系统采用了ISDN的“U”接口传输技术和ADPCM编译码技术。
The DSP-ADPCM voice encoder is a new product of the Institute of Image and Graphics of Sichuan University, which is used for collecting and playing voices.
ADPCM语音采集压缩卡是四川大学图形图象研究所新研制的集语音采集和回放功能于一体的硬件设备。
This paper proposes a new method of interframe ADPCM Coding based on MSEP of last field, which gives design parameters of three predictors and five quantizers by five typical image.
本文给出一种新的利用前场预测均方误差的帧内adpcm编码方法，该方法根据五幅典型图象，给出三种预测器，五种量化器的设计参数。
The characteristic of ADSP2105 chip and its system structure are introduced in this paper. The realization method of ADPCM-PCM transcode with ADSP2105 and its soft designs are given.
介绍了ADSP2105芯片的特点、系统结构以及实现ADPCM - P CM变换编码的方法，给出了程序设计的特点及技巧。
Based on the feasibility study and the analysis to the encryption algorithm, the paper presents a method of the real-time multi-point voice communication in network, which USES ADPCM and UDP.
在对加密算法实现过程进行可行性研究和分析的基础上，阐述了应用adpcm编码调制技术和UDP协议进行网络环境下实时多点语音通信的方法。
Based on the feasibility study and the analysis to the encryption algorithm, the paper presents a method of the real-time multi-point voice communication in network, which USES ADPCM and UDP.
在对加密算法实现过程进行可行性研究和分析的基础上，阐述了应用adpcm编码调制技术和UDP协议进行网络环境下实时多点语音通信的方法。
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