From English-Hindi FreeDict Dictionary ver. 1.6: modulate /mˈɒdjʊlˌeɪt/ <N> 1. स्वर साधना "He has to learn how to modulate his voice properly."
modulate /mˈɒdjʊlˌeɪt/ <N> 1. स्वर साधना "He has to learn how to modulate his voice properly."