[Spec](https://platform.openai.com/docs/api-reference/realtime-server-events/conversation/item/input_audio_transcription) input_audio_transcription object language string Optional The language of the input audio. Supplying the input language in [ISO-639-1](https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes) (e.g. en) format will improve accuracy and latency. model string Optional The model to use for transcription, whisper-1 is the only currently supported model. prompt string currently ``` #[derive(Debug, Serialize, Deserialize, Clone)] pub struct AudioTranscription { /// Whether to enable input audio transcription. pub enabled: bool, /// The model to use for transcription (e.g., "whisper-1"). pub model: String, } ```