Welcome to Tesla Motors Club
Discuss Tesla's Model S, Model 3, Model X, Model Y, Cybertruck, Roadster and More.
Register

Recent content by kanefsky

  1. K

    Wiki Model S Delivery Update

    It's probably not an issue for practical purposes because noise cancelation is so far from perfect that it really only works well for lower frequencies and relatively steady noises. I think the bigger issue in cars is that when you do noise cancellation at the listener location rather than at...
  2. K

    Wiki Model S Delivery Update

    If the speaker isn't close to the microphone then when you produce a sound that's 180 degrees out of phase with respect to what the microphone picked up it will no longer be 180 degrees out of phase when it reaches your eardrum. If the speaker IS close to the microphone then it doesn't matter...
  3. K

    Wiki Model S Delivery Update

    In theory if noise cancellation were perfect, you might cancel out other people talking in the car but that could be a very desirable feature rather than a bug :)
  4. K

    Wiki Model S Delivery Update

    I'm not sure that's correct. If the noise originates 10 miles from your ears and you measure the noise and cancel it from that same spot it should work. If it's 10 miles away and you measure and cancel from 5 miles away I believe that should work too. If you measure right at your ears and...
  5. K

    Wiki Model S Delivery Update

    Sure, if you could measure the noise you want to cancel without picking up any other noises you don't want to cancel that would be ideal, but much more important is that the sound is measured close to where the speakers are relative to the wavelength of the audio being canceled. With headphones...
  6. K

    Wiki Model S Delivery Update

    Basically you need to measure the noise you want to cancel as close as possible to the speakers that will do the canceling. It wouldn't work to measure the sound a distance away from the speakers because the phase of the sound waves has to be aligned just right for them to cancel out and the...