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Why would it record continiously? If I were developing such a device I'd use random sampling. Don't have use for all the audio in every home, but a little bit f
by jononor 9y ago
Why would it record continiously? If I were developing such a device I'd use random sampling. Don't have use for all the audio in every home, but a little bit from everywhere can be useful. Can be used to improve the acoustic model of the room maybe, or improve targetting of ads[1]. Some snippets from the minutes before and activation could be especially interesting, to understand the context.
1. Or more nefarious things, of course.
- soared 9y agoOr record audio, do speech to text, some light analysis, and upload the metadata. Or just upload a basket of words and their frequency, "Toilet Paper, 2, tv, 7, online, 4,"
- jononor 9y agoDetecting who speaks is also a (relatively) lightweight analysis. Combined with bag-of-words can build personality/interest profile. Speech based gender detection can also be done, probably also detecting kids from adults. Now have good data about demographics of the household.