What did you understand from bangabandhu's speech?explanation

Explanation:

The struggle this time, is a struggle for our independence." He announced a civil disobedience movement in the province, calling for "every house to turn into a fortress". The speech inspired the Bengali people to prepare for a war of independence amid widespread reports of armed mobilisation by West Pakistan.

pitch- the definition of pitch is as follows:

"the quality of a sound governed by the rate of vibrations producing it; the degree of highness or lowness of a tone."