--- /dev/null
+// Copyright 2018 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.cloud.dialogflow.v2beta1;
+
+import "google/api/annotations.proto";
+
+option cc_enable_arenas = true;
+option csharp_namespace = "Google.Cloud.Dialogflow.V2beta1";
+option go_package = "google.golang.org/genproto/googleapis/cloud/dialogflow/v2beta1;dialogflow";
+option java_multiple_files = true;
+option java_outer_classname = "AudioConfigProto";
+option java_package = "com.google.cloud.dialogflow.v2beta1";
+option objc_class_prefix = "DF";
+
+// Description of which voice to use for speech synthesis.
+message VoiceSelectionParams {
+ // Optional. The name of the voice. If not set, the service will choose a
+ // voice based on the other parameters such as language_code and gender.
+ string name = 1;
+
+ // Optional. The preferred gender of the voice. If not set, the service will
+ // choose a voice based on the other parameters such as language_code and
+ // name. Note that this is only a preference, not requirement. If a
+ // voice of the appropriate gender is not available, the synthesizer should
+ // substitute a voice with a different gender rather than failing the request.
+ SsmlVoiceGender ssml_gender = 2;
+}
+
+// Configuration of how speech should be synthesized.
+message SynthesizeSpeechConfig {
+ // Optional. Speaking rate/speed, in the range [0.25, 4.0]. 1.0 is the normal
+ // native speed supported by the specific voice. 2.0 is twice as fast, and
+ // 0.5 is half as fast. If unset(0.0), defaults to the native 1.0 speed. Any
+ // other values < 0.25 or > 4.0 will return an error.
+ double speaking_rate = 1;
+
+ // Optional. Speaking pitch, in the range [-20.0, 20.0]. 20 means increase 20
+ // semitones from the original pitch. -20 means decrease 20 semitones from the
+ // original pitch.
+ double pitch = 2;
+
+ // Optional. Volume gain (in dB) of the normal native volume supported by the
+ // specific voice, in the range [-96.0, 16.0]. If unset, or set to a value of
+ // 0.0 (dB), will play at normal native signal amplitude. A value of -6.0 (dB)
+ // will play at approximately half the amplitude of the normal native signal
+ // amplitude. A value of +6.0 (dB) will play at approximately twice the
+ // amplitude of the normal native signal amplitude. We strongly recommend not
+ // to exceed +10 (dB) as there's usually no effective increase in loudness for
+ // any value greater than that.
+ double volume_gain_db = 3;
+
+ // Optional. An identifier which selects 'audio effects' profiles that are
+ // applied on (post synthesized) text to speech. Effects are applied on top of
+ // each other in the order they are given.
+ repeated string effects_profile_id = 5;
+
+ // Optional. The desired voice of the synthesized audio.
+ VoiceSelectionParams voice = 4;
+}
+
+// Instructs the speech synthesizer how to generate the output audio content.
+message OutputAudioConfig {
+ // Required. Audio encoding of the synthesized audio content.
+ OutputAudioEncoding audio_encoding = 1;
+
+ // Optional. The synthesis sample rate (in hertz) for this audio. If not
+ // provided, then the synthesizer will use the default sample rate based on
+ // the audio encoding. If this is different from the voice's natural sample
+ // rate, then the synthesizer will honor this request by converting to the
+ // desired sample rate (which might result in worse audio quality).
+ int32 sample_rate_hertz = 2;
+
+ // Optional. Configuration of how speech should be synthesized.
+ SynthesizeSpeechConfig synthesize_speech_config = 3;
+}
+
+// Gender of the voice as described in
+// [SSML voice element](https://www.w3.org/TR/speech-synthesis11/#edef_voice).
+enum SsmlVoiceGender {
+ // An unspecified gender, which means that the client doesn't care which
+ // gender the selected voice will have.
+ SSML_VOICE_GENDER_UNSPECIFIED = 0;
+
+ // A male voice.
+ SSML_VOICE_GENDER_MALE = 1;
+
+ // A female voice.
+ SSML_VOICE_GENDER_FEMALE = 2;
+
+ // A gender-neutral voice.
+ SSML_VOICE_GENDER_NEUTRAL = 3;
+}
+
+// Audio encoding of the output audio format in Text-To-Speech.
+enum OutputAudioEncoding {
+ // Not specified.
+ OUTPUT_AUDIO_ENCODING_UNSPECIFIED = 0;
+
+ // Uncompressed 16-bit signed little-endian samples (Linear PCM).
+ // Audio content returned as LINEAR16 also contains a WAV header.
+ OUTPUT_AUDIO_ENCODING_LINEAR_16 = 1;
+
+ // MP3 audio.
+ OUTPUT_AUDIO_ENCODING_MP3 = 2;
+
+ // Opus encoded audio wrapped in an ogg container. The result will be a
+ // file which can be played natively on Android, and in browsers (at least
+ // Chrome and Firefox). The quality of the encoding is considerably higher
+ // than MP3 while using approximately the same bitrate.
+ OUTPUT_AUDIO_ENCODING_OGG_OPUS = 3;
+}
git://repos.xcallymotion.com / motion2.git / blobdiff