def extract_audio_chunk()

in server/app/utils.py [0:0]


def extract_audio_chunk(data):
    decoded_bytes = base64.b64decode(data["delta"])
    audio_int16 = np.frombuffer(decoded_bytes, dtype=np.int16)
    audio_data = audio_int16.astype(np.float32) / 32768.0
    return audio_data