-class audio_rx(gr.hier_block):
- def __init__(self, fg, audio_input_dev):
+class audio_rx(gr.hier_block2):
+ def __init__(self, audio_input_dev):
+ gr.hier_block2.__init__(self, "audio_rx",
+ gr.io_signature(0, 0, 0), # Input signature
+ gr.io_signature(0, 0, 0)) # Output signature