riva/proto/riva_tts.proto

service RivaSpeechSynthesis

rpc SynthesizeSpeechResponse Synthesize(SynthesizeSpeechRequest)

Used to request text-to-speech from the service. Submit a request containing the desired text and configuration, and receive audio bytes in the requested format.

rpc stream SynthesizeSpeechResponse SynthesizeOnline(SynthesizeSpeechRequest)

Used to request text-to-speech returned via stream as it becomes available. Submit a SynthesizeSpeechRequest with desired text and configuration, and receive stream of bytes in the requested format.

rpc RivaSynthesisConfigResponse GetRivaSynthesisConfig(RivaSynthesisConfigRequest)

Enables clients to request the configuration of the current Synthesize service, or a specific model within the service.

message RivaSynthesisConfigRequest

string model_name

If model is specified only return config for model, otherwise return all configs.

message RivaSynthesisConfigResponse

RivaSynthesisConfigResponse.Config model_config (repeated)

message RivaSynthesisConfigResponse.Config

string model_name

RivaSynthesisConfigResponse.Config.ParametersEntry parameters (repeated)

message RivaSynthesisConfigResponse.Config.ParametersEntry

string key

string value

message SynthesizeSpeechRequest

string text

string language_code

nvidia.riva.AudioEncoding encoding

audio encoding params

int32 sample_rate_hz

string voice_name

voice params

message SynthesizeSpeechResponse

bytes audio

SynthesizeSpeechResponseMetadata meta

message SynthesizeSpeechResponseMetadata

string text

Currently experimental API addition that returns the input text after preprocessing has been completed as well as the predicted duration for each token. Note: this message is subject to future breaking changes, and potential removal.

string processed_text

float predicted_durations(repeated)