> If the mic wasn’t left on, it would take the app longer to both initialize the... | Hacker News

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serge2k on Nov 14, 2016 | parent | context | favorite | on: Shazam Keeps Your Mac’s Microphone Always On, Even...

> If the mic wasn’t left on, it would take the app longer to both initialize the mic and then start buffering audio

How much longer?

EwanToo on Nov 15, 2016 [–]

You need 3-5 seconds of audio to do the recognition.

It sounds like Shazam is storing the 5 seconds buffered, ready to hash then upload when you press go

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