SHARMA MK, VIG R, PAL R, SHANTHARAM V. Quiet Zone for the patient in an Ambulance: Active Noise Control Technology for Siren Noise Reduction. archacoust [Internet]. 2018 Jan. 24 [cited 2025 Jan. 13];43(2):275–281. Available from: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1611