init

+import pyaudio
+from pydub import AudioSegment
+from pydub.effects import normalize
+
+# set up PyAudio
+pa = pyaudio.PyAudio()
+stream = pa.open(format=pyaudio.paInt16,
+                 channels=1,
+                 rate=44100,
+                 input=True,
+                 frames_per_buffer=1024)
+
+# record some audio from the microphone
+audio_data = []
+for i in range(0, int(44100 / 1024 * 5)):
+    data = stream.read(1024)
+    audio_data.append(data)
+
+# convert the audio data to a PyDub audio segment
+audio_segment = AudioSegment(
+    data=b''.join(audio_data),
+    sample_width=2,
+    frame_rate=44100,
+    channels=1
+)
+
+# apply an echo effect to the audio segment
+echoed_segment = normalize(audio_segment)
+
+# save the output audio file
+echoed_segment.export("output.mp3", format="mp3")
+
+# clean up
+stream.stop_stream()
+stream.close()
+pa.terminate()