Add the following line to your scenario code to use the enum:
Use this model for transcribing shorter audio clips. Some examples include voice commands or voice search.
Use this model if your audio does not fit one of the previously described models. For example, you can use this for long-form audio recordings that feature a single speaker only. Ideally, the audio is high-fidelity, recorded at 16,000Hz or greater sampling rate.
Use this model for transcribing audio from a phone call. Typically, phone audio is recorded at 8,000Hz sampling rate. Note: The enhanced phone model is a premium model that costs more than the standard rate.
Use this model for transcribing audio in video clips or that includes multiple speakers. For best results, provide audio recorded at 16,000Hz or greater sampling rate. Note: This is a premium model that costs more than the standard rate.