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基于音素的车载导航目标地点语音识别方法

Keywords: 交通工程,语音识别,字符串匹配,车载导航装置,多通道输入

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Abstract:

为了提高车载导航装置信息交互的安全性和效率,解决普通语音识别技术应用于车载导航大词汇量连续识别条件下准确率低的问题,在车载导航语音操控功能分析的基础上,提出了基于音素的车载导航目标地点语音识别解决方案,设计了基于编辑距离的拼音-地图查询字符串匹配算法与多通道整合算法实现了这一方案,选用MicrosoftSpeechSDK5.1语音识别引擎结合长春市导航数据在主频为3.3GHz的HP工作站上完成了软件开发。实验结果表明应用该解决方案,兴趣点语音识别的准确率达到了97%,其中精确匹配达到171次,近似匹配后通过多通道信息整合得到准确结果23次,充分说明了方案的有效性。

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