A room’s average sound-bounce path length depends only on volume-to-area ratio

Related

• Walls must be rough on many scales to scatter sound diffusely (similarity 0.85)
• Sound power level can be derived by dividing intensity by radiating area (similarity 0.83)
• Speaker power output changes with room dimensions only via their ratios (similarity 0.82)
• Scientific studies of loudspeaker directivity effects in rooms are scarce despite high enthusiast interest (similarity 0.81)
• Room modal bandwidths depend on decay time, not frequency (similarity 0.81)
• Vocal tract sound transmission is governed by cross-sectional area (similarity 0.80)
• A well-furnished domestic room needs no extra acoustical treatment (similarity 0.80)
• Distributing absorption in small random amounts around a room improves sound diffusion (similarity 0.80)
• Concentrating loudspeakers at one point yields the best direct-to-reverberant ratio for a space (similarity 0.80)
• Transducer resonances radiate widely and thus stay audible in rooms (similarity 0.80)
• Air absorption can be modeled as equivalent surface absorption scaled by room volume (similarity 0.80)
• Auditorium speaker placement creates extreme sound level variation from front to back (similarity 0.79)
• High ambient noise forces listeners to raise volume toward hearing-loss levels (similarity 0.79)
• Critical distance is short for typical domestic listening rooms (similarity 0.79)
• Measurable and audible sound qualities can be shown to correlate reliably (similarity 0.78)