Update app.py

app.py

@@ -8,6 +8,14 @@ from google.cloud import speech
 from microphone import MicrophoneStream
 from utils import listen_print_loop
 
+import pyaudio
+
+def list_audio_devices():
+    audio = pyaudio.PyAudio()
+    for i in range(audio.get_device_count()):
+        device_info = audio.get_device_info_by_index(i)
+        print(f"Device {i}: {device_info['name']}")
+
 # process of getting credentials
 def get_credentials():
     creds_json_str = os.getenv("GOOGLE")
@@ -42,6 +50,7 @@ streaming_config = speech.StreamingRecognitionConfig(
 async def main(audio) -> None:
     
     print("Streaming started ...")
+    print(list_audio_devices())
 
     with MicrophoneStream(RATE, CHUNK) as stream:
         audio_generator = stream.generator()