Audio data can be static or dynamic, and the audio retrieval can be at expression level or semantic level.

音频数据的存在形式有静态与动态之分，在检索层次上也有表示级检索和语义级检索之分。

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Due to the huge amount of audio data, and some relation among them, this paper proposes a two-stage specific audio retrieval method based on K-L Distance.

根据音频文件数据量大、数据间存在一定相关性的特点，提出一种基于K - L距离的两步固定音频检索方法。

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This paper proposes a novel cross-media retrieval approach, which can process multimedia data of different modalities and measure cross-media similarity, such as image-audio similarity.

本文介绍了多媒体信息检索的原理与特点，着重阐述了基于内容的图像检索、视频检索和音频检索技术。

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