列出所有支持的语音

您可以通过调用 API 的 voices:list 端点来获取所有受支持语音的完整列表。您还可以在支持的语音页面上找到前述列表。

以下代码段演示如何列出 Text-to-Speech API 中提供的可用于文本转语音合成的语音。

这些示例要求您已设置 gcloud，并且已创建并激活服务帐号。如需了解如何设置 gcloud 以及如何创建和激活服务帐号，请参阅快速入门：Text-to-Speech。

协议

如需了解完整的详细信息，请参阅 voices:list API 端点。

要获取文本转语音合成的可用语音列表，请向 voices:list API 端点发出 GET 请求。

curl -H "Authorization: Bearer "$(gcloud auth application-default print-access-token) \
    -H "Content-Type: application/json; charset=utf-8" \
    "https://texttospeech.googleapis.com/v1/voices"

Text-to-Speech API 返回与以下内容类似的 JSON 格式的结果：

{
  "voices": [
    {
      "languageCodes": [
        "es-ES"
      ],
      "name": "es-ES-Standard-A",
      "ssmlGender": "FEMALE",
      "naturalSampleRateHertz": 24000
    },
    {
      "languageCodes": [
        "ja-JP"
      ],
      "name": "ja-JP-Standard-A",
      "ssmlGender": "FEMALE",
      "naturalSampleRateHertz": 22050
    },
    {
      "languageCodes": [
        "pt-BR"
      ],
      "name": "pt-BR-Standard-A",
      "ssmlGender": "FEMALE",
      "naturalSampleRateHertz": 24000
    },
        ...
  ]
}

C#

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/// <summary>
/// Lists all the voices available for speech synthesis.
/// </summary>
/// <param name="desiredLanguageCode">Language code to filter on</param>
public static int ListVoices(string desiredLanguageCode = "")
{
    TextToSpeechClient client = TextToSpeechClient.Create();

    // Performs the list voices request
    var response = client.ListVoices(new ListVoicesRequest
    {
        LanguageCode = desiredLanguageCode
    });

    foreach (Voice voice in response.Voices)
    {
        // Display the voices's name.
        Console.WriteLine($"Name: {voice.Name}");

        // Display the supported language codes for this voice.
        foreach (var languageCode in voice.LanguageCodes)
        {
            Console.WriteLine($"Supported language(s): {languageCode}");
        }

        // Display the SSML Voice Gender
        Console.WriteLine("SSML Voice Gender: " +
            (SsmlVoiceGender)voice.SsmlGender);

        // Display the natural sample rate hertz for this voice.
        Console.WriteLine("Natural Sample Rate Hertz: " +
            voice.NaturalSampleRateHertz);
    }
    return 0;
}

Go

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// ListVoices lists the available text to speech voices.
func ListVoices(w io.Writer) error {
	ctx := context.Background()

	client, err := texttospeech.NewClient(ctx)
	if err != nil {
		return err
	}

	// Performs the list voices request.
	resp, err := client.ListVoices(ctx, &texttospeechpb.ListVoicesRequest{})
	if err != nil {
		return err
	}

	for _, voice := range resp.Voices {
		// Display the voice's name. Example: tpc-vocoded
		fmt.Fprintf(w, "Name: %v\n", voice.Name)

		// Display the supported language codes for this voice. Example: "en-US"
		for _, languageCode := range voice.LanguageCodes {
			fmt.Fprintf(w, "  Supported language: %v\n", languageCode)
		}

		// Display the SSML Voice Gender.
		fmt.Fprintf(w, "  SSML Voice Gender: %v\n", voice.SsmlGender.String())

		// Display the natural sample rate hertz for this voice. Example: 24000
		fmt.Fprintf(w, "  Natural Sample Rate Hertz: %v\n",
			voice.NaturalSampleRateHertz)
	}

	return nil
}

Java

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/**
 * Demonstrates using the Text to Speech client to list the client's supported voices.
 *
 * @throws Exception on TextToSpeechClient Errors.
 */
public static List<Voice> listAllSupportedVoices() throws Exception {
  // Instantiates a client
  try (TextToSpeechClient textToSpeechClient = TextToSpeechClient.create()) {
    // Builds the text to speech list voices request
    ListVoicesRequest request = ListVoicesRequest.getDefaultInstance();

    // Performs the list voices request
    ListVoicesResponse response = textToSpeechClient.listVoices(request);
    List<Voice> voices = response.getVoicesList();

    for (Voice voice : voices) {
      // Display the voice's name. Example: tpc-vocoded
      System.out.format("Name: %s\n", voice.getName());

      // Display the supported language codes for this voice. Example: "en-us"
      List<ByteString> languageCodes = voice.getLanguageCodesList().asByteStringList();
      for (ByteString languageCode : languageCodes) {
        System.out.format("Supported Language: %s\n", languageCode.toStringUtf8());
      }

      // Display the SSML Voice Gender
      System.out.format("SSML Voice Gender: %s\n", voice.getSsmlGender());

      // Display the natural sample rate hertz for this voice. Example: 24000
      System.out.format("Natural Sample Rate Hertz: %s\n\n", voice.getNaturalSampleRateHertz());
    }
    return voices;
  }
}

Node.js

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const textToSpeech = require('@google-cloud/text-to-speech');

const client = new textToSpeech.TextToSpeechClient();

const [result] = await client.listVoices({});
const voices = result.voices;

console.log('Voices:');
voices.forEach(voice => {
  console.log(`Name: ${voice.name}`);
  console.log(`  SSML Voice Gender: ${voice.ssmlGender}`);
  console.log(`  Natural Sample Rate Hertz: ${voice.naturalSampleRateHertz}`);
  console.log('  Supported languages:');
  voice.languageCodes.forEach(languageCode => {
    console.log(`    ${languageCode}`);
  });
});

PHP

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use Google\Cloud\TextToSpeech\V1\TextToSpeechClient;

// create client object
$client = new TextToSpeechClient();

// perform list voices request
$response = $client->listVoices();
$voices = $response->getVoices();

foreach ($voices as $voice) {
    // display the voice's name. example: tpc-vocoded
    printf('Name: %s' . PHP_EOL, $voice->getName());

    // display the supported language codes for this voice. example: 'en-US'
    foreach ($voice->getLanguageCodes() as $languageCode) {
        printf('Supported language: %s' . PHP_EOL, $languageCode);
    }

    // SSML voice gender values from TextToSpeech\V1\SsmlVoiceGender
    $ssmlVoiceGender = ['SSML_VOICE_GENDER_UNSPECIFIED', 'MALE', 'FEMALE',
    'NEUTRAL'];

    // display the SSML voice gender
    $gender = $voice->getSsmlGender();
    printf('SSML voice gender: %s' . PHP_EOL, $ssmlVoiceGender[$gender]);

    // display the natural hertz rate for this voice
    printf('Natural Sample Rate Hertz: %d' . PHP_EOL,
        $voice->getNaturalSampleRateHertz());
}

$client->close();

Python

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def list_voices():
    """Lists the available voices."""
    from google.cloud import texttospeech

    client = texttospeech.TextToSpeechClient()

    # Performs the list voices request
    voices = client.list_voices()

    for voice in voices.voices:
        # Display the voice's name. Example: tpc-vocoded
        print(f"Name: {voice.name}")

        # Display the supported language codes for this voice. Example: "en-US"
        for language_code in voice.language_codes:
            print(f"Supported language: {language_code}")

        ssml_gender = texttospeech.SsmlVoiceGender(voice.ssml_gender)

        # Display the SSML Voice Gender
        print(f"SSML Voice Gender: {ssml_gender.name}")

        # Display the natural sample rate hertz for this voice. Example: 24000
        print(f"Natural Sample Rate Hertz: {voice.natural_sample_rate_hertz}\n")

Ruby

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# Lists the available voices.
require "google/cloud/text_to_speech"

client = Google::Cloud::TextToSpeech.text_to_speech

# Performs the list voices request
voices = client.list_voices({}).voices

voices.each do |voice|
  # Display the voice's name. Example: tpc-vocoded
  puts "Name: #{voice.name}"

  # Display the supported language codes for this voice. Example: "en-US"
  voice.language_codes.each do |language_code|
    puts "Supported language: #{language_code}"
  end

  # Display the SSML Voice Gender
  puts "SSML Voice Gender: #{voice.ssml_gender}"

  # Display the natural sample rate hertz for this voice. Example: 24000
  puts "Natural Sample Rate Hertz: #{voice.natural_sample_rate_hertz}\n"
end