7. A tangible computer readable medium storing instructions for configuring a process to implement a method of real time text transmission, comprising: accessing text output generated from a human audio source and metadata concerning characteristics of the human audio source; determining control commands to be associated with respective portions of the text output based on the metadata; forming packets containing the control commands and the associated portions of the text output, wherein the control commands conform to a pre-determined specification; sending the packets in a real time text session to one or more participant receiving devices.
7. A tangible computer readable medium storing instructions for configuring a process to implement a method of real time text transmission, comprising: accessing text output generated from a human audio source and metadata concerning characteristics of the human audio source; determining control commands to be associated with respective portions of the text output based on the metadata; forming packets containing the control commands and the associated portions of the text output, wherein the control commands conform to a pre-determined specification; sending the packets in a real time text session to one or more participant receiving devices. 10. The tangible computer readable medium of claim 7 , wherein the control commands comprise commands for changing font size, and the method further comprises applying a smaller font size to portions of text output determined to have been spoken at a comparatively low volume.