- People absorb sound really well, so crowds prevent people behind from hearing
- Most speakers are fairly directional -- they only really send sound out in a fairly narrow cone
- Inverse square law - double the distance, sound is 4 times weaker. Makes volume fall off very quickly
- People absorb sound really well, so crowds prevent people behind from hearing
- Most speakers are fairly directional -- they only really send sound out in a fairly narrow cone
- Inverse square law - double the distance, sound is 4 times weaker. Makes volume fall off very quickly