【摘要】 提出了一种基于TMS320VC549定点DSP微处理器芯片的语音信号压缩/解压缩处理系统。该系统采用TLC320AD50C模数、数模转换器,采样率为8 kHz,处理能力为100 M IPS。系统配置有大容量存储器,具备资源扩展能力,适用于语音信号压缩/解压缩和语音识别、语音合成等其他领域。实验结果表明,系统对语音信号的压缩解压缩处理具有稳定性、灵活性和通用性。更多还原

【Abstract】 A speech compression and decompression processing system based on TMS320VC549 16 bit fixed-point DSP chip is proposed in this paper,which is designed by using TLC320AD50C A/D converter and D/A converter,and with 100MIPS processing capacity and 8kHz sample rate.The system is applicable for speech coding,recognition,synthesizing and so on.The experimental results show that the system is stable,flexible and universal for speech compression and decompression processing.更多还原