Patent Document ID: 9767825
Application ID: 15374455

Base Claim:
1. A method comprising: receiving, from a content server, input media data with an input normal playback speed, the input media data comprising a plurality of input media data portions each having the same input normal playback speed; determining one or more user identities identified based at least in part on biometric data collected from one or more users who correspond to the one or more user identities and to whom audio utterance derived from the input media data is to be played; determining a preferred rate of audio utterance based at least in part on the one or more user identities; receiving, from the content server, a plurality of rates of audio utterance for the plurality of input media data portions; based at least in part on the preferred rate of audio utterance and the plurality of rates of audio utterance, generating audio output media data comprising a plurality of output media data portions having at least two different output normal playback speeds but the same preferred rate of audio utterance; wherein the method is performed by one or more computing devices.

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Claim 6:
6. The method as recited in claim 1 , wherein at least one of the plurality of rates of audio utterance or the preferred rate of audio utterance relates to one of a rate of audio utterance for sentences, a rate of audio utterance for words, or a rate of audio utterance for syllables.