【摘要】 设计了基于DSP的实时语音处理系统,介绍了TMS320DM642与扩展语音编码解码芯片TLV320AIC23B的基本特点,设计了该芯片与TMS320DM642的McASP的连接方式,研究了利用TI的codec驱动程序和数字回声处理算法来实现语音数据的处理,通过不同参数选择实现了语音处理系统,该系统有良好的通用性,能应用于多种音频处理。更多还原

【Abstract】 A real.time audio processing system based on DSP is designed,and the basic characteristics of audio code/decode chip TLV320AIC23B expanded by TMS320CDM642 are described.the connection of TMS320CDM642 to McASP is designed.And the implementation of real-time audio processing by codec driver forom TI and signal echo processing algorithm is studied.Through differenent selection of parameters,the audio processing system is actually realized.This system is of a better universality and suitable for different audio processing fields.更多还原