Text-To-Speech (TTS) API

Spring AI 提供对 OpenAI 语音 API 的支持。当实现更多语音提供程序时，将提取通用的 SpeechModel 和 StreamingSpeechModel 接口。

Spring AI provides support for OpenAI’s Speech API. When additional providers for Speech are implemented, a common SpeechModel and StreamingSpeechModel interface will be extracted.