[RonBee]

I think this is what you are looking for.

• Tone
  3. general quality: the general quality or character of something as an indicator of the attitude or view of the person who produced it: the optimistic tone of the report
  http://encarta.msn.com/encnet/featur...fid=1861720787
  
  Tone
  The writer's or speaker's attitude toward the subject, the audience, or herself or himself; the emotional coloring,or emotional meaning, of a work.
  http://www.hearts-ease.org/cgi-bin/t...brary&letter=t

I think the general tone of a speech has as much to do with the emotions it is likely to elicit in the hearers as the emotions of the speaker. The tone of a speech can be passionate, inflammatory, conciliatory, or any number of things.

:)