Add support for Azure Text-to-Speech (Experimental)

[uezo]

Add AzureSpeechController. You can use it by adding the following code after instantiate AIAvatar:

from aiavatar.speech.azurespeech import AzureSpeechController
app.avatar_controller.speech_controller = AzureSpeechController(
    AZURE_SUBSCRIPTION_KEY, AZURE_REGION,
    device_index=app.output_device,
    # # Set params if you want to customize
    # speaker_name="en-US-AvaNeural",
    # speaker_gender="Female",
    # lang="en-US"
)

The default speaker is en-US-JennyMultilingualNeural that support multi languages.

https://learn.microsoft.com/ja-jp/azure/ai-services/speech-service/language-support?tabs=tts