9. A system comprising: one or more computers and one or more storage devices storing instructions that are operable, when executed by the one or more computers, to cause the one or more computers to perform operations comprising: obtaining data indicating a set of linguistic features corresponding to a text; providing (i) data indicating the linguistic features and (ii) data indicating the language of the text as input to a neural network that has been trained to provide output indicating prosody information for multiple languages, the neural network having been trained using speech in multiple languages; receiving, from the neural network, output indicating prosody information for the linguistic features; and generating audio data representing the text using the output of the neural network.
9. A system comprising: one or more computers and one or more storage devices storing instructions that are operable, when executed by the one or more computers, to cause the one or more computers to perform operations comprising: obtaining data indicating a set of linguistic features corresponding to a text; providing (i) data indicating the linguistic features and (ii) data indicating the language of the text as input to a neural network that has been trained to provide output indicating prosody information for multiple languages, the neural network having been trained using speech in multiple languages; receiving, from the neural network, output indicating prosody information for the linguistic features; and generating audio data representing the text using the output of the neural network. 16. The system of claim 9 , wherein generating the audio data representing the text using the output of the neural network comprises generating the audio representation using the output of the neural network and audio coefficients representing synthesized speech characteristics.