演示如何从文本字符串合成。
包含此代码示例的文档页面
如需查看上下文中使用的代码示例，请参阅以下文档：
代码示例
Go
// Command quickstart generates an audio file with the content "Hello, World!".
package main
import (
"context"
"fmt"
"io/ioutil"
"log"
texttospeech "cloud.google.com/go/texttospeech/apiv1"
texttospeechpb "google.golang.org/genproto/googleapis/cloud/texttospeech/v1"
)
func main() {
// Instantiates a client.
ctx := context.Background()
client, err := texttospeech.NewClient(ctx)
if err != nil {
log.Fatal(err)
}
defer client.Close()
// Perform the text-to-speech request on the text input with the selected
// voice parameters and audio file type.
req := texttospeechpb.SynthesizeSpeechRequest{
// Set the text input to be synthesized.
Input: &texttospeechpb.SynthesisInput{
InputSource: &texttospeechpb.SynthesisInput_Text{Text: "Hello, World!"},
},
// Build the voice request, select the language code ("en-US") and the SSML
// voice gender ("neutral").
Voice: &texttospeechpb.VoiceSelectionParams{
LanguageCode: "en-US",
SsmlGender: texttospeechpb.SsmlVoiceGender_NEUTRAL,
},
// Select the type of audio file you want returned.
AudioConfig: &texttospeechpb.AudioConfig{
AudioEncoding: texttospeechpb.AudioEncoding_MP3,
},
}
resp, err := client.SynthesizeSpeech(ctx, &req)
if err != nil {
log.Fatal(err)
}
// The resp's AudioContent is binary.
filename := "output.mp3"
err = ioutil.WriteFile(filename, resp.AudioContent, 0644)
if err != nil {
log.Fatal(err)
}
fmt.Printf("Audio content written to file: %v\n", filename)
}
Java
// Imports the Google Cloud client library
import com.google.cloud.texttospeech.v1.AudioConfig;
import com.google.cloud.texttospeech.v1.AudioEncoding;
import com.google.cloud.texttospeech.v1.SsmlVoiceGender;
import com.google.cloud.texttospeech.v1.SynthesisInput;
import com.google.cloud.texttospeech.v1.SynthesizeSpeechResponse;
import com.google.cloud.texttospeech.v1.TextToSpeechClient;
import com.google.cloud.texttospeech.v1.VoiceSelectionParams;
import com.google.protobuf.ByteString;
import java.io.FileOutputStream;
import java.io.OutputStream;
/**
* Google Cloud TextToSpeech API sample application. Example usage: mvn package exec:java
* -Dexec.mainClass='com.example.texttospeech.QuickstartSample'
*/
public class QuickstartSample {
/** Demonstrates using the Text-to-Speech API. */
public static void main(String... args) throws Exception {
// Instantiates a client
try (TextToSpeechClient textToSpeechClient = TextToSpeechClient.create()) {
// Set the text input to be synthesized
SynthesisInput input = SynthesisInput.newBuilder().setText("Hello, World!").build();
// Build the voice request, select the language code ("en-US") and the ssml voice gender
// ("neutral")
VoiceSelectionParams voice =
VoiceSelectionParams.newBuilder()
.setLanguageCode("en-US")
.setSsmlGender(SsmlVoiceGender.NEUTRAL)
.build();
// Select the type of audio file you want returned
AudioConfig audioConfig =
AudioConfig.newBuilder().setAudioEncoding(AudioEncoding.MP3).build();
// Perform the text-to-speech request on the text input with the selected voice parameters and
// audio file type
SynthesizeSpeechResponse response =
textToSpeechClient.synthesizeSpeech(input, voice, audioConfig);
// Get the audio contents from the response
ByteString audioContents = response.getAudioContent();
// Write the response to the output file.
try (OutputStream out = new FileOutputStream("output.mp3")) {
out.write(audioContents.toByteArray());
System.out.println("Audio content written to file \"output.mp3\"");
}
}
}
}Node.js
// Imports the Google Cloud client library
const textToSpeech = require('@google-cloud/text-to-speech');
// Import other required libraries
const fs = require('fs');
const util = require('util');
// Creates a client
const client = new textToSpeech.TextToSpeechClient();
async function quickStart() {
// The text to synthesize
const text = 'hello, world!';
// Construct the request
const request = {
input: {text: text},
// Select the language and SSML voice gender (optional)
voice: {languageCode: 'en-US', ssmlGender: 'NEUTRAL'},
// select the type of audio encoding
audioConfig: {audioEncoding: 'MP3'},
};
// Performs the text-to-speech request
const [response] = await client.synthesizeSpeech(request);
// Write the binary audio content to a local file
const writeFile = util.promisify(fs.writeFile);
await writeFile('output.mp3', response.audioContent, 'binary');
console.log('Audio content written to file: output.mp3');
}
quickStart();PHP
// includes the autoloader for libraries installed with composer
require __DIR__ . '/vendor/autoload.php';
// Imports the Cloud Client Library
use Google\Cloud\TextToSpeech\V1\AudioConfig;
use Google\Cloud\TextToSpeech\V1\AudioEncoding;
use Google\Cloud\TextToSpeech\V1\SsmlVoiceGender;
use Google\Cloud\TextToSpeech\V1\SynthesisInput;
use Google\Cloud\TextToSpeech\V1\TextToSpeechClient;
use Google\Cloud\TextToSpeech\V1\VoiceSelectionParams;
// instantiates a client
$client = new TextToSpeechClient();
// sets text to be synthesised
$synthesisInputText = (new SynthesisInput())
->setText('Hello, world!');
// build the voice request, select the language code ("en-US") and the ssml
// voice gender
$voice = (new VoiceSelectionParams())
->setLanguageCode('en-US')
->setSsmlGender(SsmlVoiceGender::FEMALE);
// Effects profile
$effectsProfileId = "telephony-class-application";
// select the type of audio file you want returned
$audioConfig = (new AudioConfig())
->setAudioEncoding(AudioEncoding::MP3)
->setEffectsProfileId(array($effectsProfileId));
// perform text-to-speech request on the text input with selected voice
// parameters and audio file type
$response = $client->synthesizeSpeech($synthesisInputText, $voice, $audioConfig);
$audioContent = $response->getAudioContent();
// the response's audioContent is binary
file_put_contents('output.mp3', $audioContent);
echo 'Audio content written to "output.mp3"' . PHP_EOL;
Python
"""Synthesizes speech from the input string of text or ssml.
Note: ssml must be well-formed according to:
https://www.w3.org/TR/speech-synthesis/
"""
from google.cloud import texttospeech
# Instantiates a client
client = texttospeech.TextToSpeechClient()
# Set the text input to be synthesized
synthesis_input = texttospeech.SynthesisInput(text="Hello, World!")
# Build the voice request, select the language code ("en-US") and the ssml
# voice gender ("neutral")
voice = texttospeech.VoiceSelectionParams(
language_code="en-US", ssml_gender=texttospeech.SsmlVoiceGender.NEUTRAL
)
# Select the type of audio file you want returned
audio_config = texttospeech.AudioConfig(
audio_encoding=texttospeech.AudioEncoding.MP3
)
# Perform the text-to-speech request on the text input with the selected
# voice parameters and audio file type
response = client.synthesize_speech(
input=synthesis_input, voice=voice, audio_config=audio_config
)
# The response's audio_content is binary.
with open("output.mp3", "wb") as out:
# Write the response to the output file.
out.write(response.audio_content)
print('Audio content written to file "output.mp3"')