Microsoft Azure

Microsoft Azure offers neural voices in multiple languages with options for different speaking styles and emotions, providing enterprise-grade text-to-speech capabilities with high-quality audio output.

The following example shows a starting tts parameter configuration you can use when you Start a conversational AI agent.

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"tts": {

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"vendor": "microsoft",

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"params": {

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"key": "<your_microsoft_key>",

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"region": "eastus",

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"voice_name": "en-US-AndrewMultilingualNeural",

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"speed": 1.0,

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"volume": 70,

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"sample_rate": 24000

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}

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}

caution

The parameters listed on this page are validated for use with Conversational AI Engine. Required parameters must be provided as documented. Any additional parameters are passed through directly to the underlying vendor without validation. For advanced configuration options, voice galleries, and detailed parameter descriptions, see the Microsoft Azure TTS documentation.

paramsrequired

• key stringrequired

  The API key used for authentication. Get your API key from the Azure Portal.

• region stringrequired

  The Azure region where the speech service is hosted (For example, eastus, westus2).

• voice_name stringrequired

  The identifier for the selected voice for speech synthesis. See available voices for options.

• speed numbernullable

  Default: 1.0

  Speaking rate of the text. Values between 0.5 and 2.0 times the original audio speed.

• volume numbernullable

  Default: 100

  Audio volume as a number between 0.0 and 100.0, where 0.0 is quietest and 100.0 is loudest.

• sample_rate integernullable

  Default: 24000

  Audio sampling rate in Hz. Common values: 16000, 24000, 48000.