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# Audio output with a volume control.
#
# M. Revnell 2005-Dec
from gnuradio import gr, gru
from gnuradio import audio
class output( gr.hier_block2 ):
def __init__( self, rate, device ):
gr.hier_block2.__init__(self, "output",
gr.io_signature(1,1,gr.sizeof_float),
gr.io_signature(0,0,0))
self.vol = gr.multiply_const_ff( 0.1 )
self.out = audio.sink( int(rate), device )
self.connect( self, self.vol, self.out )
def set( self, val ):
self.vol.set_k( val )
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