A transformation based on index was developed for the audio database.

针对音频数据库中存在的问题，提出了一种基于索引的变换。

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It can also store information in a database within a browser, as well as embedding audio, video and animation directly, without the need for third-party browser plug-ins.

它也能利用浏览器内部的一个数据库存储信息，以及在不需要第三方浏览器插件的情况下直接嵌入音频、视频和动画。

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For example, an audio track recorded on the local Android device can be POSTed to a Web server where the data is compared against a database of voice patterns.

例如，本地Android设备上录制的音轨可以post到web服务器，其中将根据音频模式数据库比较数据。

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The biggest hurdle for a real world system could be creating the audio database itself.

BBC: NEWS | Technology | Google listens to screen routine

The Gracenote technology works by "listening" to a few seconds of a song and matching it to its unique audio fingerprint in the Gracenote database.

ENGADGET: Rhapsody intros SongMatch for Android, helps you discover tunes with a simple tap

But the tests used a database of just 24 hours of audio.

BBC: NEWS | Technology | Google listens to screen routine