examples: use gpt-4o model by default

examples/foundational/websocket-server/index.html

@@ -92,8 +92,8 @@
           const audioArray = new Uint8Array(audioVector);
 
           audioContext.decodeAudioData(audioArray.buffer, function(buffer) {
-             const source = new AudioBufferSourceNode(audioContext);
-             source.buffer = buffer;
+              const source = new AudioBufferSourceNode(audioContext);
+              source.buffer = buffer;
               source.start(playTime);
               source.connect(audioContext.destination);
               playTime = playTime + buffer.duration;

examples/foundational/websocket-server/server.py

@@ -26,7 +26,7 @@ from dotenv import load_dotenv
 load_dotenv(override=True)
 
 logger.remove(0)
-logger.add(sys.stderr, level="TRACE")
+logger.add(sys.stderr, level="DEBUG")
 
 
 async def main():
@@ -37,7 +37,7 @@ async def main():
 
         llm = OpenAILLMService(
             api_key=os.getenv("OPENAI_API_KEY"),
-            model="gpt-4-turbo-preview")
+            model="gpt-4o")
 
         stt = WhisperSTTService()