Vertex AI Audio

export GOOGLE_APPLICATION_CREDENTIALS=path/to/service-account.json
# or
export VERTEXAI_PROJECT=your-project-id
export VERTEXAI_LOCATION=us-central1

from praisonaiagents import AudioAgent

agent = AudioAgent(llm="vertex_ai/gemini-2.5-flash-preview-tts")
agent.speech("Hello world!", output="hello.mp3")