code: def transcribe(stream, new_chunk):
      sr, y = new_chunk
      y = y.astype(np.float32)
      y /= np.max(np.abs(y))
  
      if stream is not None:
          stream = np.concatenate([stream, y])
      else:
          stream = y
      return (
          stream,
          transcriber({"sampling_rate": sr, "raw": stream})["text"],
      )
  
label_desc: Use image node_id 1 for calling a global function with example usage: transcribe(stream, new_chunk) and returns: stream,  transcriber