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文章介绍了基于数字信号处理芯片ADSP-BF532的图像和语音编解码系统实现方案。系统分为硬件平台设计和MPEG-4压缩软件实现两大部分,硬件设计分为ADSP-BF532、模数转换器、闪存和SDRAM等部分。在所设计的硬件电路板上实现了MEPG-4算法。
The paper introduces the scheme of image and speech codec system based on digital signal processing chip ADSP-BF532. System is divided into hardware platform design and MPEG-4 compression software to achieve two parts, the hardware design is divided into ADSP-BF532, analog-digital converter, flash memory and SDRAM and other parts. MEPG-4 algorithm is implemented on the designed hardware circuit board.