the sound of silence - good car alarms
Unless you live in Dale, deep in the countryside, it's getting harder and harder to sit in your garden these days, as is the harsh sound of car alarms and sirens.
Even the Countryman had to face the constant roar of the highway, or the boy racing driver's chatter in the driveway.
Not to mention the hum of the mower or the jingle of the Wind Bell.
Sound waves can bend around obstacles, which is different from sound waves that travel in a straight line.
But you can still use some tricks to turn the volume down
This means not just building a brick wall.
Green barrier: plants can create privacy and reduce unwanted noise.