The architecture of video decoder is transforming from dedicated hardware to HW/SW partition owing to the powerful process of hardware and the flexibility and programmability of software.

视频解码芯片的结构因硬件强大的处理能力和软件灵活的可编程功能从硬件转向软硬件分区结构。

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Later this paper implements the software of modified video encoder and decoder of MPEG-4 using VC on PC platform, which verifies feasibility of modified algorithms.

随后，本文在PC机上采用VC编写了改进后的MPEG - 4视频编码器和解码器的软件，验证了对算法改进的可行性。

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Last, the thesis design the IMDCT software of AC-3 audio decoder based on float DSP TMS320C6701, the result is that TMS320C6701 can decode audio signal and control the system in real time.

最后，论文设计了基于浮点DSP TMS320C 6701的音频解码程序的IMDCT部分，经过测试可以做到实时的解码音频信号和系统控制。

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