diff options
Diffstat (limited to 'gr-digital/python/digital_voice.py.real')
| -rw-r--r-- | gr-digital/python/digital_voice.py.real | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/gr-digital/python/digital_voice.py.real b/gr-digital/python/digital_voice.py.real index 4a2ef7721f..241a4a3dc2 100644 --- a/gr-digital/python/digital_voice.py.real +++ b/gr-digital/python/digital_voice.py.real @@ -23,8 +23,7 @@ """ Digital voice Tx and Rx using GSM 13kbit vocoder and GMSK. -Runs channel at 32kbit/sec. Currently uses fake channel coding, -but there's room for a rate 1/2 coder. +Runs channel at 32kbit/sec. """ from gnuradio import gr, gru @@ -66,7 +65,7 @@ class digital_voice_tx(gr.hier_block): f2s = blocks.float_to_short() voice_coder = gsm_full_rate.encode_sp() - channel_coder = gr.fake_channel_encoder_pp(GSM_FRAME_SIZE, AIR_FRAME_SIZE) + channel_coder = gr.multiply_const_b(1) p2s = gr.parallel_to_serial(gr.sizeof_char, AIR_FRAME_SIZE) mod = gmsk_mod(fg, sps=samples_per_symbol, @@ -93,7 +92,7 @@ class digital_voice_rx(gr.hier_block): p_size=AIR_FRAME_SIZE) s2p = gr.serial_to_parallel(gr.sizeof_char, AIR_FRAME_SIZE) - channel_decoder = gr.fake_channel_decoder_pp(AIR_FRAME_SIZE, GSM_FRAME_SIZE) + channel_decoder = gr.multiply_const_b(1) voice_decoder = gsm_full_rate.decode_ps() s2f = blocks.short_to_float () |