ClientSecrets Request return 400 status

[metaRobin]

request audio param： audioConfig := realtime.RealtimeAudioConfigParam{ Input: realtime.RealtimeAudioConfigInputParam{ Format: "pcm16", NoiseReduction: realtime.RealtimeAudioConfigInputNoiseReductionParam{ Type: "near_field", }, }, Output: realtime.RealtimeAudioConfigOutputParam{ Format: "pcm16", Voice: "alloy", Speed: openai.Float(1.0), }, }

http body log： {"expires_after":{"seconds":10,"anchor":"created_at"},"session":{"model":"gpt-4o-mini-realtime-preview-2024-12-17","instructions":"You are a helpful assistant. ","audio":{"input":{"format":"pcm16","noise_reduction":{"type":"near_field"}},"output":{"speed":1,"format":"pcm16","voice":"alloy"}},"output_modalities":["text","audio"],"type":"realtime"}}

response log: POST "https://api.openai.com/v1/realtime/client_secrets": 400 Bad Request { "message": "Invalid type for 'session.audio.input.format': expected an object, but got a string instead.", "type": "invalid_request_error", "param": "session.audio.input.format", "code": "invalid_type" }