Hi, this is kinda a silly question? is there a kind of meditation that helps you focus your hearing on distant objects?
get one of these and just meditate like normal Loud 'N Clear Personal Sound Amplifier As Seen on TV Hearing Aid
I'm not sure about a meditation specifically for hearing, but you could try eating a lot of green, leafy veggies.
Im sure you could improve ur senses thru meditation if you really concentrated on it enough and just practiced using your hearing more