Patent ID: 11862142
Assignee: GOOGLE LLC
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 13:
14. A system comprising:
one or more computers; and
one or more non-transitory computer storage media storing instructions that, when executed by the one or more computers, cause the one or more computers to perform operations for generating, from a sequence of characters in a particular natural language, a mel-scale spectrogram of a verbal utterance of the sequence of characters in the particular natural language using a text-to-speech conversion system, the operations comprising:
processing, using an encoder neural network of the text-to-speech conversion system, the sequence of characters to generate a respective encoded representation of each of the characters in the sequence;
receiving a sequence of decoder inputs; and
for each decoder input in the sequence of decoder inputs, processing, using a decoder neural network of the text-to-speech conversion system, the decoder input and the encoded representations to generate multiple frames of the mel-scale spectrogram,
wherein the encoder neural network and the decoder neural network have been trained on training data that maps sequences of characters to mel-scale spectrograms.