Figure 3From: Annoyance and activity disturbance induced by high-speed railway and conventional railway noise: a contrastive case study The relationships between A and L Aeq , and between D and L Aeq . (a) Between A and L Aeq. HR: A = 2.05L Aeq-72.9 (R 2 = 0.993); CR: A = 2.06L Aeq-86.6 (R 2 = 0.991); (b) Between D and L Aeq. HR: D = 2.06L Aeq-77.0 (R 2 = 0.994); CR: D = 2.08L Aeq-94.1 (R 2 = 0.978).Back to article page