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在概述MPEG／AtjdiO层Ⅲ解码器流程的基础上，着重研究如何在单片DSP（数字信号处理）芯片的硬件平台上，通过对层Ⅲ解码算法进行优化，以及对ADSP－2181芯片特点的充分利用，实现高保真立体声实时解码器。
Based on the overview of the MPEG / Atjdi Layer III decoder, this paper focuses on how to optimize the layer III decoding algorithm and the features of the ADSP-2181 on the hardware platform of the single chip DSP (digital signal processing) chip Use, to achieve high-fidelity stereo real-time decoder.