An Implementation of the adaptive multi-rate speech codec based on the TMS320F2812 fixed-point DSP chip is presented.
介绍了自适应多码率语音编解码算法及其基于TMS320F 2812定点DSP芯片的实现方案。
By exploiting the multichannel ADCs and PWMs of the TMS320F2812, the codec is extended to a multichannel real-time speech codec.
最后分析了此多通道实时语音编解码方案所需的存储空间和计算复杂度。
After a long time monitored operation, G. 726 speech codec system can perform stable work, real-time data acquisition, and playback of voice.
经过较长时间的监测运行，G . 726语音编解码系统能稳定工作，实时采集和回放语音。
A novel voice activity detection algorithm is put forward, which is based on soft computing theory, and is applied in adaptive multi-rate speech codec standardized by 3gpp.
本文提出一种新的话音激活检测方法，该方法基于软计算理论，应用于3gpp标准化的自适应多速率语音编码算法。
Speech of coding is a very important technology in digital speech communication and low-bit-rate speech codec plays an important role in resolving limit of bandwidth resource.
语音编码是数字语音通信中的一项重要技术，低码率的语音编码器在解决宽带资源的限制方面发挥着重要的作用。
Experiments proved that the codec can recode four channels speech in real time and the quality of the recovered speech is satisfying. And the design intention is realized.
测试结果表明所设计的语音编解码器能够实时完成四路语音记录，具有较高的恢复语音质量，性能指标达到设计要求。
On the basis of the performance testing of our real-time codec is optimum algorithm introduced into pre-processing of the speech encoder of TETRA.
在对实现的TETRA语音编解码算法进行性能测试、分析的基础上，文章提出了在TETRA语音编码的预处理部分采用优化算法。
On the basis of the performance testing of our real-time codec is optimum algorithm introduced into pre-processing of the speech encoder of TETRA.
在对实现的TETRA语音编解码算法进行性能测试、分析的基础上，文章提出了在TETRA语音编码的预处理部分采用优化算法。
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