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Getting Started

To integrate Google Cloud Text-to-Speech with your Rapida application for text-to-speech (TTS) capabilities, follow these steps:

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Supported Models

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Text-to-Speech Voices

Google Cloud provides neural voices with natural, expressive speech synthesis:

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English Voices

Voice NameGenderRegional AccentDescription
en-US-Neural2-AFemaleUSNatural US English female
en-US-Neural2-CFemaleUSAlternative US English female
en-US-Neural2-EMaleUSNatural US English male
en-GB-Neural2-AFemaleUKBritish English female
en-GB-Neural2-BMaleUKBritish English male
en-AU-Neural2-AFemaleAustralianAustralian English female
en-AU-Neural2-BMaleAustralianAustralian English male
en-IN-Neural2-AFemaleIndianIndian English female
en-IN-Neural2-BMaleIndianIndian English male

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Supported Languages

Google Cloud Text-to-Speech supports 30+ languages including:
  • English (US, UK, Australian, Indian, South African variants)
  • Spanish, French, German, Italian, Dutch
  • Mandarin, Cantonese, Japanese, Korean
  • Hindi, Bengali, Tamil, Telugu, Marathi
  • Portuguese, Russian, Arabic, Polish, Turkish
  • Thai, Vietnamese, Filipino, and more

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Features

  • Neural Voices: Advanced neural network-based voice synthesis
  • Multiple Accents: Native speaker accents for various regions
  • Speaking Rate: Adjust speech speed from 0.25x to 4.0x
  • Pitch Control: Fine-tune voice pitch
  • Audio Formats: Multiple audio formats and sample rates
  • SSML Support: Full SSML markup support

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Prerequisites

  • Have a Google Cloud account
  • Create a new Google Cloud Project or use an existing one
  • Enable the Text-to-Speech API
  • Create a service account with Text-to-Speech permissions
  • Download the service account key (JSON file)

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Setting Up Provider Credentials

1

Access the Integrations Page

Integrations PageNavigate to the “Integration > Models” page to access TTS providers.
2

Select Google Speech Service

On the Integrations page, find the Google Speech Service provider card.Click the “Setup Credential” button for Google Speech Service (for TTS).
3

Create Provider Credential

A modal window will appear titled “Create provider credential”. Follow these steps:
  1. Select “Google Speech Service” from the dropdown (if not already selected)
  2. Enter a Key Name: Assign a unique name to this provider key for easy identification
  3. Enter Project ID: Input your Google Cloud Project ID
  4. Enter Service Account Key: Paste the entire JSON content of your service account key
  5. Click “Configure” to save the credential
4

Verify Credential Setup

After setting up the credential, you can verify it’s been added:
  1. The Google Speech Service provider card should now show “Connected”
  2. If you click on the provider, you’ll see a “View provider credential” modal
  3. This modal displays the credential name, when it was last updated, and options to delete or close
Your Google Cloud Text-to-Speech provider credential is now set up for TTS integration.

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Integration Features

  • Natural Neural Voices: High-quality neural voice synthesis
  • 30+ Languages: Comprehensive language support
  • Multiple Accents: Native speaker accents for various regions
  • SSML Support: Advanced markup for precise voice control
  • Real-time Streaming: Stream audio as it’s being synthesized
  • Batch Processing: Process large volumes of text
  • Affordable: Cost-effective pay-as-you-go pricing
For more information, visit the Google Cloud Text-to-Speech documentation.