4. The method of claim 1 , further comprising determining a linguistic group that includes a subset of the linguistic features in the set of linguistic features; wherein providing data indicating the linguistic features to the neural network comprises providing data indicating the subset of linguistic features in the linguistic group as input to the neural network; and wherein receiving, from the neural network, output indicating prosody information for the linguistic features comprises receiving, from the neural network, output indicating prosody information for the linguistic group.
4. The method of claim 1 , further comprising determining a linguistic group that includes a subset of the linguistic features in the set of linguistic features; wherein providing data indicating the linguistic features to the neural network comprises providing data indicating the subset of linguistic features in the linguistic group as input to the neural network; and wherein receiving, from the neural network, output indicating prosody information for the linguistic features comprises receiving, from the neural network, output indicating prosody information for the linguistic group. 5. The method of claim 4 , wherein obtaining data indicating the set of linguistic features corresponding to the text comprises obtaining data indicating a sequence of linguistic features in a phonetic representation of the text; and wherein determining the linguistic group comprises determining the linguistic group based on a position of one or more stressed linguistic features in the sequence of linguistic features.