介绍了音频指纹技术的基本概念、性质和算法的基本框架，针对指纹在音频识别和音频认证中的应用，对现有的音频指纹算法进行了评价和比较。 -Introduces the basic concept of audio fingerprinting technology, nature and the algorithm for the basic fr a mework, fingerprint authentication in audio recognition and audio the app