rubbish
That means that the Indian chaps pretending to work a call centre in Umm Ramoul are in reality listening to about 2200 hours of engine drone each day? Yeah ... right. And where is the bandwidth for download coming from? Gatelink has never worked and ACARS runs at 2.4kbps - tops.
Paranoia is always a good idea in the ME - but this takes it too far. The guy sitting next to you is a far more dangerous recording device than the CVR.