diff --git a/src/pipecat/services/openai_realtime_beta/__init__.py b/src/pipecat/services/openai_realtime_beta/__init__.py
index 52b00f6c8..a4c102609 100644
--- a/src/pipecat/services/openai_realtime_beta/__init__.py
+++ b/src/pipecat/services/openai_realtime_beta/__init__.py
@@ -1,3 +1,8 @@
 from .azure import AzureRealtimeBetaLLMService
-from .events import InputAudioTranscription, SessionProperties, TurnDetection
+from .events import (
+    InputAudioTranscription,
+    InputAudioNoiseReduction,
+    SessionProperties,
+    TurnDetection,
+)
 from .openai import OpenAIRealtimeBetaLLMService
diff --git a/src/pipecat/services/openai_realtime_beta/events.py b/src/pipecat/services/openai_realtime_beta/events.py
index fcc330a6e..26fbc0578 100644
--- a/src/pipecat/services/openai_realtime_beta/events.py
+++ b/src/pipecat/services/openai_realtime_beta/events.py
@@ -42,6 +42,10 @@ class TurnDetection(BaseModel):
     silence_duration_ms: Optional[int] = 800
 
 
+class InputAudioNoiseReduction(BaseModel):
+    type: Optional[Literal["near_field", "far_field"]]
+
+
 class SessionProperties(BaseModel):
     modalities: Optional[List[Literal["text", "audio"]]] = None
     instructions: Optional[str] = None
@@ -49,6 +53,7 @@ class SessionProperties(BaseModel):
     input_audio_format: Optional[Literal["pcm16", "g711_ulaw", "g711_alaw"]] = None
     output_audio_format: Optional[Literal["pcm16", "g711_ulaw", "g711_alaw"]] = None
     input_audio_transcription: Optional[InputAudioTranscription] = None
+    input_audio_noise_reduction: Optional[InputAudioNoiseReduction] = None
     # set turn_detection to False to disable turn detection
     turn_detection: Optional[Union[TurnDetection, bool]] = Field(default=None)
     tools: Optional[List[Dict]] = None