1. A computer implemented method, comprising: displaying by a computing device on a user interface an electronic representation of a document stored by the computing device where a first portion of the document is pre-associated with a first voice model and a remaining portion of the document is not pre-associated with a voice model, with pre-associated and non-pre-associated text being displayed with different indicia to indicate the portions that pre-associated and non-pre-associated text; receiving by the computing device a user-based selection of text corresponding to at least part of the first portion of the document displayed on the user interface; applying, by the computing device, in response to the user-based selection of the at least part of the first portion a first set of indicia to the user-selected first portion of the document; and overwriting the at least part of the pre-association of the first voice model, by the computing device, with a second, different voice model for the user based selection of at the least part of the first portion.
1. A computer implemented method, comprising: displaying by a computing device on a user interface an electronic representation of a document stored by the computing device where a first portion of the document is pre-associated with a first voice model and a remaining portion of the document is not pre-associated with a voice model, with pre-associated and non-pre-associated text being displayed with different indicia to indicate the portions that pre-associated and non-pre-associated text; receiving by the computing device a user-based selection of text corresponding to at least part of the first portion of the document displayed on the user interface; applying, by the computing device, in response to the user-based selection of the at least part of the first portion a first set of indicia to the user-selected first portion of the document; and overwriting the at least part of the pre-association of the first voice model, by the computing device, with a second, different voice model for the user based selection of at the least part of the first portion. 2. The method of claim 1 wherein words in the first portion are narrated using the second voice model and at least some of the other words in the first portion of the document are narrated using the first voice model.