The Law Code of Yājñavalkya 1.6.81

1.6.81

śvā kukkuraḥ | kroṣṭā sṛgālaḥ | gardabhaḥ rāsabhaḥ | ulūko ghukaḥ | sāma sāmāni | bāṇo vaṃśaḥ | ārtho duḥkhitaḥ | eṣām śvādīnāṃ niḥsvane tāvatkālam anadhyāyaḥ | evaṃ vīṇādiniḥsvane 'pi | veṇuvīṇābherīmṛdaṅgagantryārtaśabdeṣu (GDh 16.7) iti gautamavacanāt | gantrī śakaṭam | amedhyādīnāṃ saṃnidhāne tāvatkāliko 'nadhyāyaḥ || 1.148 ||

'Śvā' means a dog. 'Kroṣṭā' means a jackal. 'Gardabha' means a donkey. 'Ulūka' means an owl. 'Sāma' means Sāman chants. 'Bāṇa' means a bamboo flute. 'Ārta' means one who is suffering. At the sound of these, beginning with the dog, there is cessation of study for that duration. Likewise, at the sound of a lute and the like as well, in accordance with Gautama's statement: 'At the sounds of flutes, lutes, kettle-drums, mṛdaṅgas, carts, and distressed persons' (GDh 16.7). 'Gantrī' means a cart. In the presence of impure substances and the like, there is cessation of study for that duration. || 1.148