What is the difference between a soliloquy and a usual speech?

Question

What is the difference between a soliloquy and a usual speech?

Answer 1

A speech is given to an audience, a soliloquy is spoken aloud to ones self.

Answer 2

  A soliloquy is within a play or stage production, where the speaker speaks alone, and not to another character. A speech is given to an audience , not in the context of a stage play,etc.