Patent ID: 7287221

Claim:
A computer-implemented method for differential dynamic content delivery, the method comprising: creating, in dependence upon an original document, a structured document comprising one or more structural elements; classifying a structural element of the structured document according to a presentation attribute; creating a presentation grammar for the structured document, wherein the presentation grammar for the structured document includes grammar elements each of which includes an identifier for at least one structural element of the structured document; filtering the presentation grammar to derive a session document for a presentation, wherein the session document includes a session grammar and a session structured document; selecting from the session structured document a classified structural element in dependence upon user classifications of a user participant in the presentation; presenting the selected structural element to the user; streaming speech to the user from one or more users participating in the presentation; converting the speech to text; detecting a total sound level for the user; and determining whether to display the text in dependence upon the total sound level for the user.