嵌入式RISC核MPEG2/AC3解码器 |
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引用本文: | 韦晓东,周琼芳,汪斌,吕江波,张明,刘鹏,虞露. 嵌入式RISC核MPEG2/AC3解码器[J]. 半导体技术, 2003, 28(7): 47-49,55 |
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作者姓名: | 韦晓东 周琼芳 汪斌 吕江波 张明 刘鹏 虞露 |
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作者单位: | 浙江大学信息与通信工程研究所,浙江,杭州,310027 |
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摘 要: | 介绍了在一个嵌入RISC核的AC3/MPEG2音/视频解码器中,通过增加特殊指令及其相应的硬件逻辑,对AC3的音频解码进行了一定的改进,不仅达到了AC3解码的实时性要求,而且降低了对存储器的要求。
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关 键 词: | 嵌入式RlSC MPEG2 AC3 视频解码器 音频解码器 |
文章编号: | 1003-353X(2003)07-0047-03 |
A decoder for MPEG2 and AC3 with embedded RISC core |
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Abstract: | A decoder for MPEG2 and AC3 with embedded RISC core as a center componenthad been developed. By adding some special instructions in RISC core with corresponding hardwarelogic, AC3 real-time decoding had been archived, while the request for programming memory hadbeen reduced. |
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Keywords: | international standard embedded RISC real-time decoding |
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