| 用FPGA实现基于内容的音频检索系统 |
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| 引用本文： | 王佑民,江城,吴丰博.用FPGA实现基于内容的音频检索系统[J].中国制造业信息化,2007,36(9):66-68,72. |
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| 作者姓名： | 王佑民 江城 吴丰博 |
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| 作者单位： | 上海交通大学电子工程系,上海200030 |
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| 摘 要： | 构造了准确性高的时域基音提取算法和匹配算法，即改进的AMDF算法和改进的DTW算法．并通过SOPC在FPGA上实现了基于内容的音频检索系统。经实验证明，用FPGA实现的基于内容的音频检索系统拥有良好的识别率和较低的运算复杂度。
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| 关 键 词： | 音频检索 特征提取 AMDF DTW NIOS |
| 文章编号： | 1672-1616（2007）17-0066-03 |
| 修稿时间： | 2007-08-08 |
A Content - Based Audio Retrieval System Realized By FPGA |
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| WANG You- min, J IANG Cheng, WU Feng- bo.A Content - Based Audio Retrieval System Realized By FPGA[J].Manufacture Information Engineering of China,2007,36(9):66-68,72. |
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| Authors: | WANG You- min J IANG Cheng WU Feng- bo |
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| Affiliation: | Shanghai Jiaotong University, Shanghai, 200030, China |
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| Abstract: | Based on AMDF algorithm and DTW algorithm, it builds an accurate time- domain pitch extraction algorithms and matching algorithm, and realizes the system on FPGA with SOPC builder. The example is valid that the system has good identifying rate and low calculating complexity. |
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| Keywords: | Content- based Audio Retrieval Characteristics Extraction Modified AMDF Modified DTW NOIS |
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