অর্থ : A musical passage moving from one key to another.

অর্থ : (electronics) the transmission of a signal by using it to vary a carrier wave. Changing the carrier's amplitude or frequency or phase.

অর্থ : Rise and fall of the voice pitch.

অর্থ : A manner of speaking in which the loudness or pitch or tone of the voice is modified.

অর্থ : The act of modifying or adjusting according to due measure and proportion (as with regard to artistic effect).