Patent Document ID: 8645141
Application ID: 12881979

Base Claim:
1. A method of performing text to speech conversion on a portable device, said method comprising: predicting, based at least in part on prior user selection of at least one second book and on a first book being newly released and prior to user selection of listening to an audio version of the first book, the first book being different from the second book, the first book for conversion to speech format, by anticipating the first book based on at least one feature of the first book, the at least one feature being new release of the first book; responsive to the predicting and prior to user selection to listen to the audio version of the first book, performing a text to speech conversion on said book to produce converted speech; storing said converted speech into a memory device of said portable device; executing a reader application wherein a user request is received for narration of said book; and during said executing, accessing said converted speech from said memory device and rendering said converted speech on said portable device responsive to said user request.

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Claim 3:
3. The method of claim 1 wherein said at least one feature further comprises a playlist of books.