content based audio classification
content based audio classification
基于内容的音频分类
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Feature extraction is the foundation of audio classification, while audio classification is a key of content based audio retrieval.
音频特征提取是音频分类的基础，而音频分类又是基于内容的音频检索的关键。
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