Nowadays , there emerge different kinds of audio-recognition system, which have quite high recognition performance.

现在出现了许许多多的语音识别系统，而且也取得了不错的识别效果。

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So lip-reading is a good choice to overcome the disadvantage of audio-recognition system under the noise background.

所以要克服语音识别系统的弱点，利用唇语是一个不错的解决方法。

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However, audio-recognition system only USES the audio information of speech, and ignores the visual features of it. Under the noise circumstance, the recognition rate declines so much.

但语音识别系统忽略语言的视觉特性，仅仅利用听觉特性，使得语音识别系统在噪声环境下，识别率大大下降。

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Audio-recognition app Shazam has 250 million users, of which 135 million say they use the app to pull up enhanced TV pages once a week.

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The UI supports a rich set of services, including phone calls, text messaging with vocal read-out, navigation, object recognition, social network services, remote assistance, audio-book reading, and other leisure and entertainment offerings.

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Better targeting through audio and image recognition could also improve the click-through rate of videos, or how often an ad is clicked for every time it appears.

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