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随着VoIP(Voice over IP)技术的快速发展,VoIP语音网关成为语音通信中一个十分重要的设备。由于在语音网关中涉及复杂的语音信号处理,同时目前VoIP的标准正处于不断完善之中,因此采用可编程DSP(Digital Signal Processor)芯片来实现语音网关中语音压缩编解码模块是一种有效的解决方案,用户可以很容易地升级软件代码。使用TI公司的DSP开发板(TMS320C5416芯片)设计和实现的语音网关中G.729A编解码模块,从算法实现的复杂度、占用的存储空间和实现的话音合成质量方面都达到了实用的要求,且各项性能相当优越。
With the rapid development of VoIP (Voice over IP) technology, VoIP voice gateways have become a very important device in voice communications. Due to the complex voice signal processing involved in voice gateways, and at the same time, the standards of VoIP are under continuous improvement. Therefore, it is effective to adopt a programmable digital signal processor (DSP) chip to implement voice compression coding and decoding module in a voice gateway Solution, users can easily upgrade the software code. The G.729A codec module in the voice gateway designed and implemented by TI’s DSP development board (TMS320C5416 chip) achieves practical requirements in terms of the complexity of the algorithm, the storage space occupied, and the quality of the voice synthesis. And the performance is quite superior.