⚡ EdgeTTS 流式输出演示

📖 测试文本 (Chapter 1):

Everyone in Grace's class was excited. It was time to go to camp.

💡 流式输出特点:
• 使用 stream: true 参数
• 边生成边播放，响应更快
• API: https://edgetts.aws.xin/v1/audio/speech
• 平均响应时间: 747ms