车载，身份验证，指纹识别。图像验证。音频输入、输出的流程控制-Car, authentication, fingerprint identification. Image verification. Audio input and output flow control

The basis for this comparison is a song’ s musical ‘ fingerprint’ , which is computed by clustering a set of spectral features represented by the Mel-Frequency Cepstral Coefficients (MFCC) of the audio signal. This fingerprint not onl

此文大致的介绍了数字音频指纹技术，有兴趣的可以-Summary of digital audio fingerprint technology

1 Haar Wavelets 1.1 The Haar transform 1.2 Conservation and compaction of energy 1.3 Haar wavelets 1.4 Multiresolution analysis 1.5 Compression of audio signals 1.6 Removing noise from audio signals 1.7 Notes and references 2 Daub ech