Mahabharata 7.64.22
यथा त्रसन्ति भूतानि सर्वाण्यशनिनिस्वनात्तथा शङ्खप्रणादेन वित्रेसुस्तव सैनिकाः
yathā trasanti bhūtāni sarvāṇyaśaninisvanāttathā śaṅkhapraṇādena vitresustava sainikāḥ
Our plain-language meaning of this verse is waiting for scholar review.