curl --location --request POST 'https://ai.vnet.com/v1/audio/speech' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
"model": "tts-1-hd",
"input": "你好,这里是 tts-1-hd-1106 高清语音,语速 1.2 倍,输出 WAV 格式。",
"voice": "nova",
"speed": 1,
"response_format": "wav"
}'