Multilingual AI Voice Solution Research

I need a clear, step-by-step method that turns my written German text into lifelike speech in English, Spanish, French, Chinese, ... The audio will be used in educational content, so naturalness and clarity are non-negotiable.

I have no preferred platform yet and am looking for solid recommendations. Your work should cover:

• Reccomendation of best AI voice generators that accept German input and output high-quality speech in four-five target languages.
• 2-3 speech samples for comparison.
• A simple workflow (text → translation, if needed → voice generation → downloadable audio) that I can replicate without deep technical knowledge.
• Two or three recorded samples for each language so I can judge naturalness myself.
• Tips on fine-tuning pronunciation, pacing, and emphasis to keep the audio engaging for learners.

Please include any setup guidance, API notes, or browser-based alternatives you uncover so I can choose the path of least resistance.