worldveil / dejavu

Audio fingerprinting and recognition in Python
MIT License
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关于偏移量时间的计算疑问 #252

Open anseldu opened 3 years ago

anseldu commented 3 years ago

可否请解释一下这个公式: nseconds = round(float(offset) / DEFAULT_FS DEFAULT_WINDOW_SIZE DEFAULT_OVERLAP_RATIO, 5)
我的理解这句是想得到offset的物理偏移时间,我的理解是float(offset) / DEFAULT_FS 就就够了,因为offset其实是也是偏移了的点的个数。

anseldu@qq.com

Usernamezhx commented 3 years ago

time unit get by the window stride. DEFAULT_WINDOW_SIZE * DEFAULT_OVERLAP_RATIO = window stride.