Noise-canceling robots to ‘mute’ loud conversations in cafe | What if we told you that we can actually silence a noisy table right next to us in a café?::undefined

  • @[email protected]
    link
    fedilink
    English
    51 year ago

    It can’t double the dBs. It will only add 3 as dBs are a log scale and +/-3dBs is double/half.

    • @K3zi4
      link
      English
      11 year ago

      Oops, yes, this. A perceived doubling!