diff options
Diffstat (limited to 'gr-vocoder/python/vocoder/cvsd.py')
| -rw-r--r-- | gr-vocoder/python/vocoder/cvsd.py | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/gr-vocoder/python/vocoder/cvsd.py b/gr-vocoder/python/vocoder/cvsd.py index 076031e160..3ad2e35b7f 100644 --- a/gr-vocoder/python/vocoder/cvsd.py +++ b/gr-vocoder/python/vocoder/cvsd.py @@ -29,14 +29,15 @@ class cvsd_encode_fb(gr.hier_block2): ''' gr.hier_block2.__init__(self, "cvsd_encode", - gr.io_signature(1, 1, gr.sizeof_float), # Input signature + # Input signature + gr.io_signature(1, 1, gr.sizeof_float), gr.io_signature(1, 1, gr.sizeof_char)) # Output signature scale_factor = 32000.0 self.interp = resample src_scale = blocks.multiply_const_ff(scale_factor) - taps = filter.firdes.low_pass(self.interp, self.interp, bw, 2*bw) + taps = filter.firdes.low_pass(self.interp, self.interp, bw, 2 * bw) interp = filter.interp_fir_filter_fff(self.interp, taps) f2s = blocks.float_to_short() enc = vocoder_python.cvsd_encode_sb() @@ -60,15 +61,16 @@ class cvsd_decode_bf(gr.hier_block2): from 1 to 8. A rate of 8k with a resampling rate of 8 provides a good quality signal. ''' gr.hier_block2.__init__(self, "cvsd_decode", - gr.io_signature(1, 1, gr.sizeof_char), # Input signature - gr.io_signature(1, 1, gr.sizeof_float)) # Output signature + # Input signature + gr.io_signature(1, 1, gr.sizeof_char), + gr.io_signature(1, 1, gr.sizeof_float)) # Output signature scale_factor = 32000.0 self.decim = resample dec = vocoder_python.cvsd_decode_bs() s2f = blocks.short_to_float() - taps = filter.firdes.low_pass(1, 1, bw, 2*bw) + taps = filter.firdes.low_pass(1, 1, bw, 2 * bw) decim = filter.fir_filter_fff(self.decim, taps) sink_scale = blocks.multiply_const_ff(1.0 / scale_factor) |