speech recognition - Check if audio file contains a substring audio file? -


i'm trying beat 1 audio captcha educational purposes. it's generated generating random noise , it's placing few letter spelling audio recordings on top of noise.

i have exact letter spelling audio recording files (i have same library). however, captcha-generation software randomizing speed , volume tiny bit (max 1200 unique modifications of single letter spelling file).

is there way guesstimate chance whether specific audio file contains substring audio file in it? i'm thinking should possible somehow loop every letter spelling audio , detect similarity percentage or that.

i haven't tried yet, have no idea start. ideas?


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