BaseTextFilter: only require subclasses to implement filter()

CHANGELOG.md

@@ -18,8 +18,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Added `ElevenLabsRealtimeSTTService` which implements the Realtime STT
   service from ElevenLabs.
 
+- Added ai-coustics integrated VAD (`AICVADAnalyzer`) with `AICFilter` factory and
+  example wiring; leverages the enhancement model for robust detection with no
+  ONNX dependency or added processing complexity.
+
 ### Changed
 
+- `BaseTextFilter` only require subclasses to implement the `filter()` method.
+
 - Extracted the logic for retrying connections, and create a new `send_with_retry`
   method inside `WebSocketService`.
 
@@ -65,12 +71,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Prevented `HeyGenVideoService` from automatically disconnecting after 5 minutes.
 
-### Added
-
-- Added ai-coustics integrated VAD (`AICVADAnalyzer`) with `AICFilter` factory and
-  example wiring; leverages the enhancement model for robust detection with no
-  ONNX dependency or added processing complexity.
-
 ## [0.0.94] - 2025-11-10
 
 ### Changed

src/pipecat/utils/text/base_text_filter.py

@@ -26,7 +26,6 @@ class BaseTextFilter(ABC):
     behavior, settings management, and interruption handling logic.
     """
 
-    @abstractmethod
     async def update_settings(self, settings: Mapping[str, Any]):
         """Update the filter's configuration settings.
 
@@ -53,7 +52,6 @@ class BaseTextFilter(ABC):
         """
         pass
 
-    @abstractmethod
     async def handle_interruption(self):
         """Handle interruption events in the processing pipeline.
 
@@ -62,7 +60,6 @@ class BaseTextFilter(ABC):
         """
         pass
 
-    @abstractmethod
     async def reset_interruption(self):
         """Reset the filter state after an interruption has been handled.