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  1. Alfreds9

    Finding the acoustic point in a valley

    Thank you for your replies. You're right, I forgot to add that most sounds would probably be randomly scattered within 10m from soil level, possibly centered around a fixed point in the valley and they would be prevalently distributed in the lower parts of the valley, within half of Hmax...
  2. Alfreds9

    Finding the acoustic point in a valley

    Hello, I have a practical problem, I'd like to find the "best" spot to hear sounds in a valley (forgive me if "acoustic point" isn't an appropriate term, I just couldn't come up with anything better and scrolling an acoustics text didn't help), or at least a non-blind spot (one which instead...
  3. Alfreds9

    Is it possible to estimate a light source wattage remotely?

    I'd like to know if it's possible to roughly estimate a light source wattage remotely, knowing the distance and perhaps estimating that at such a distance it's still above the minimum human recognizable threshold at night (in a light polluted area). Maybe using a DSLR camera could help by...
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