I was never told exactly what it was for. My suspicion was that it seemed more like acquiring training data for an audio processing machine learning library. This was about 10 years ago, so after the likes of siri, but way before something like chat gpt
As part of AWS? S3 stands for “simple storage solution” and it is used for storing data in the cloud. A typical s3 setup has a “bucket” which would act like a folder directory on your computer. At that point it can be pretty much however you want to set it up. In theory it can store anything, as long as it can be converted into a binary string, I believe. I havent worked in AWS in a few years, but I recall it being easy enough to use for storing files when handling file transfers with other microservices like Lambdas. You just need to configure a few things, like the bucket name, the “file name” (I say it that way, because you dont necessarily have to store files - and anything stored in s3 has to be converted to that binary string), and the
It can be even more than just simple storage when used with other microservices, the possibilities can be endless