Merge pull request #3186 from pipecat-ai/mb/11labs-fix-metrics-tracking

fix: ElevenLabsTTSService character usage metrics

CHANGELOG.md

@@ -61,6 +61,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+- Fixed an issue in `ElevenLabsTTSService` where character usage metrics were
+  only reported on the first TTS generation per turn.
+
 - Fixed an issue where `LLMTextFrame.skip_tts` was being overwritten by LLM
   services.
 

src/pipecat/services/elevenlabs/tts.py

@@ -731,10 +731,8 @@ class ElevenLabsTTSService(AudioContextWordTTSService):
                     await self._websocket.send(json.dumps(msg))
                     logger.trace(f"Created new context {self._context_id}")
 
-                    await self._send_text(text)
-                    await self.start_tts_usage_metrics(text)
-                else:
-                    await self._send_text(text)
+                await self._send_text(text)
+                await self.start_tts_usage_metrics(text)
             except Exception as e:
                 yield TTSStoppedFrame()
                 yield ErrorFrame(error=f"Unknown error occurred: {e}")