The Brahmaputra is known by what name in Tibet, where it rises?

The Brahmaputra rises near Mansarovar in Tibet and is called Tsangpo there. After entering Arunachal Pradesh it is called Dihang (Siang), in Bangladesh its main channel is called Jamuna, and after meeting the Ganga it flows on as the Padma and then the Meghna. Each name belongs to a different stretch of the river, so location decides the answer.