3. Redditor explains how Alexa works

Redditor explains how Alexa works

I’ve been a sound engineer for over 20 years and went to school to learn it.

I will try to make this easier for you; Alexa can not hear the human voice.

It can only process(record) converted analog audio into digital information which is indeed a digital audio file stored in memory and/or the hard drive. It can not listen, no computer can listen, they can only record. The audio you hear from your computer when you are monitoring the mic input is analog sound coming from the computers analog preamp. The computer’s motherboard/sound card doesn’t get involved until you start recording audio by converting it from analog energy into digital information. It is impossible for Alexa to listen(process) without saving(recording) digital information first. If it wasn’t recording Alexa wouldn’t have any information to process in the first place and wouldn’t work.

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