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@Synergyst
Created March 18, 2024 09:09
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Save Synergyst/e19440013285fdf82cce58cbeb26b53a to your computer and use it in GitHub Desktop.
Nearband FM transmitter/receiver GNURadio Companion example
options:
parameters:
author: Synergyst
catch_exceptions: 'True'
category: '[GRC Hier Blocks]'
cmake_opt: ''
comment: ''
copyright: ''
description: ''
gen_cmake: 'On'
gen_linking: dynamic
generate_options: qt_gui
hier_block_src_path: '.:'
id: NFM_RXTX
max_nouts: '0'
output_language: python
placement: (0,0)
qt_qss_theme: ''
realtime_scheduling: ''
run: 'True'
run_command: '{python} -u {filename}'
run_options: prompt
sizing_mode: fixed
thread_safe_setters: ''
title: NFM_RXTX
window_size: (1000,1000)
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [8, 4.0]
rotation: 0
state: enabled
blocks:
- name: rcv_btn
id: variable_qtgui_toggle_button_msg
parameters:
comment: ''
gui_hint: 0,0,1,1
initPressed: 'False'
label: PTT
outputmsgname: value
pressBackgroundColor: purple
pressFontColor: silver
pressed: 'True'
relBackgroundColor: default
relFontColor: default
released: 'False'
type: bool
value: 'False'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [0, 1068.0]
rotation: 0
state: true
- name: rx_freq
id: variable_qtgui_range
parameters:
comment: ''
gui_hint: 3,0,1,1
label: RX_FREQ
min_len: '200'
orient: QtCore.Qt.Horizontal
outputmsgname: value
rangeType: float
showports: 'False'
start: 151.82e3
step: '1'
stop: 154.6e3
value: 154.57e3
widget: counter_slider
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [0, 700.0]
rotation: 0
state: true
- name: rx_gain
id: variable_qtgui_range
parameters:
comment: ''
gui_hint: 2,0,1,1
label: RX_GAIN
min_len: '200'
orient: QtCore.Qt.Horizontal
outputmsgname: value
rangeType: float
showports: 'False'
start: '0'
step: '1'
stop: '32'
value: '0'
widget: counter_slider
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [0, 828.0]
rotation: 0
state: true
- name: rx_lna
id: variable_qtgui_check_box
parameters:
comment: ''
'false': '0'
gui_hint: 1,0,1,1
label: RX_LNA
'true': '14'
type: int
value: '0'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [0, 956.0]
rotation: 0
state: true
- name: rx_quad_rate
id: variable
parameters:
comment: ''
value: rx_samp_rate*12
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [0, 1260.0]
rotation: 0
state: true
- name: rx_samp_rate
id: variable
parameters:
comment: ''
value: '96000'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [0, 1196.0]
rotation: 0
state: enabled
- name: rx_vol
id: variable_qtgui_range
parameters:
comment: ''
gui_hint: 4,0,1,1
label: RX_VOL
min_len: '200'
orient: QtCore.Qt.Horizontal
outputmsgname: value
rangeType: float
showports: 'False'
start: '0'
step: '0.1'
stop: '1'
value: '1.0'
widget: counter_slider
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [0, 572.0]
rotation: 0
state: true
- name: tx_freq
id: variable_qtgui_range
parameters:
comment: ''
gui_hint: 3,1,1,1
label: TX_FREQ
min_len: '200'
orient: QtCore.Qt.Horizontal
outputmsgname: value
rangeType: float
showports: 'False'
start: 151.82e3
step: '1'
stop: 154.6e3
value: 154.6e3
widget: counter_slider
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [200, 700.0]
rotation: 0
state: true
- name: tx_gain
id: variable_qtgui_range
parameters:
comment: ''
gui_hint: 2,1,1,1
label: TX_GAIN
min_len: '200'
orient: QtCore.Qt.Horizontal
outputmsgname: value
rangeType: int
showports: 'False'
start: '0'
step: '1'
stop: '47'
value: '16'
widget: counter_slider
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [112, 828.0]
rotation: 0
state: true
- name: tx_lna
id: variable_qtgui_check_box
parameters:
comment: ''
'false': '0'
gui_hint: 1,1,1,1
label: TX_LNA
'true': '14'
type: int
value: '14'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [128, 956.0]
rotation: 0
state: enabled
- name: tx_quad_rate
id: variable
parameters:
comment: ''
value: tx_samp_rate*12
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [184, 1260.0]
rotation: 0
state: true
- name: tx_samp_rate
id: variable
parameters:
comment: ''
value: '96000'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [104, 1196.0]
rotation: 0
state: enabled
- name: tx_vol
id: variable_qtgui_range
parameters:
comment: ''
gui_hint: 4,1,1,1
label: TX_VOL
min_len: '200'
orient: QtCore.Qt.Horizontal
outputmsgname: value
rangeType: float
showports: 'False'
start: '0'
step: '0.01'
stop: '1'
value: '1.0'
widget: counter_slider
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [112, 572.0]
rotation: 0
state: true
- name: analog_nbfm_rx_0
id: analog_nbfm_rx
parameters:
affinity: ''
alias: ''
audio_rate: rx_samp_rate
comment: ''
max_dev: 5e3
maxoutbuf: '0'
minoutbuf: '0'
quad_rate: rx_quad_rate
tau: 75e-6
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [568, 220.0]
rotation: 0
state: enabled
- name: analog_nbfm_tx_0
id: analog_nbfm_tx
parameters:
affinity: ''
alias: ''
audio_rate: tx_samp_rate
comment: ''
fh: '-1.0'
max_dev: 5e3
maxoutbuf: '0'
minoutbuf: '0'
quad_rate: tx_quad_rate
tau: 75e-6
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [480, 468.0]
rotation: 0
state: true
- name: audio_sink_0
id: audio_sink
parameters:
affinity: ''
alias: ''
comment: ''
device_name: pipewire
num_inputs: '1'
ok_to_block: 'True'
samp_rate: int(rx_samp_rate/1)
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [1088, 236.0]
rotation: 0
state: enabled
- name: audio_source_0
id: audio_source
parameters:
affinity: ''
alias: ''
comment: ''
device_name: pipewire
maxoutbuf: '0'
minoutbuf: '0'
num_outputs: '1'
ok_to_block: 'True'
samp_rate: tx_samp_rate
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [0, 492.0]
rotation: 0
state: true
- name: blocks_mute_xx_0_0
id: blocks_mute_xx
parameters:
affinity: ''
alias: ''
comment: ''
maxoutbuf: '0'
minoutbuf: '0'
mute: not rcv_btn
type: complex
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [1096, 512.0]
rotation: 0
state: true
- name: osmosdr_sink_0
id: osmosdr_sink
parameters:
affinity: ''
alias: ''
ant0: ''
ant1: ''
ant10: ''
ant11: ''
ant12: ''
ant13: ''
ant14: ''
ant15: ''
ant16: ''
ant17: ''
ant18: ''
ant19: ''
ant2: ''
ant20: ''
ant21: ''
ant22: ''
ant23: ''
ant24: ''
ant25: ''
ant26: ''
ant27: ''
ant28: ''
ant29: ''
ant3: ''
ant30: ''
ant31: ''
ant4: ''
ant5: ''
ant6: ''
ant7: ''
ant8: ''
ant9: ''
args: hackrf=1
bb_gain0: '20'
bb_gain1: '20'
bb_gain10: '20'
bb_gain11: '20'
bb_gain12: '20'
bb_gain13: '20'
bb_gain14: '20'
bb_gain15: '20'
bb_gain16: '20'
bb_gain17: '20'
bb_gain18: '20'
bb_gain19: '20'
bb_gain2: '20'
bb_gain20: '20'
bb_gain21: '20'
bb_gain22: '20'
bb_gain23: '20'
bb_gain24: '20'
bb_gain25: '20'
bb_gain26: '20'
bb_gain27: '20'
bb_gain28: '20'
bb_gain29: '20'
bb_gain3: '20'
bb_gain30: '20'
bb_gain31: '20'
bb_gain4: '20'
bb_gain5: '20'
bb_gain6: '20'
bb_gain7: '20'
bb_gain8: '20'
bb_gain9: '20'
bw0: '0'
bw1: '0'
bw10: '0'
bw11: '0'
bw12: '0'
bw13: '0'
bw14: '0'
bw15: '0'
bw16: '0'
bw17: '0'
bw18: '0'
bw19: '0'
bw2: '0'
bw20: '0'
bw21: '0'
bw22: '0'
bw23: '0'
bw24: '0'
bw25: '0'
bw26: '0'
bw27: '0'
bw28: '0'
bw29: '0'
bw3: '0'
bw30: '0'
bw31: '0'
bw4: '0'
bw5: '0'
bw6: '0'
bw7: '0'
bw8: '0'
bw9: '0'
clock_source0: ''
clock_source1: ''
clock_source2: ''
clock_source3: ''
clock_source4: ''
clock_source5: ''
clock_source6: ''
clock_source7: ''
comment: ''
corr0: '0'
corr1: '0'
corr10: '0'
corr11: '0'
corr12: '0'
corr13: '0'
corr14: '0'
corr15: '0'
corr16: '0'
corr17: '0'
corr18: '0'
corr19: '0'
corr2: '0'
corr20: '0'
corr21: '0'
corr22: '0'
corr23: '0'
corr24: '0'
corr25: '0'
corr26: '0'
corr27: '0'
corr28: '0'
corr29: '0'
corr3: '0'
corr30: '0'
corr31: '0'
corr4: '0'
corr5: '0'
corr6: '0'
corr7: '0'
corr8: '0'
corr9: '0'
freq0: tx_freq*1000.0
freq1: 100e6
freq10: 100e6
freq11: 100e6
freq12: 100e6
freq13: 100e6
freq14: 100e6
freq15: 100e6
freq16: 100e6
freq17: 100e6
freq18: 100e6
freq19: 100e6
freq2: 100e6
freq20: 100e6
freq21: 100e6
freq22: 100e6
freq23: 100e6
freq24: 100e6
freq25: 100e6
freq26: 100e6
freq27: 100e6
freq28: 100e6
freq29: 100e6
freq3: 100e6
freq30: 100e6
freq31: 100e6
freq4: 100e6
freq5: 100e6
freq6: 100e6
freq7: 100e6
freq8: 100e6
freq9: 100e6
gain0: tx_lna
gain1: '10'
gain10: '10'
gain11: '10'
gain12: '10'
gain13: '10'
gain14: '10'
gain15: '10'
gain16: '10'
gain17: '10'
gain18: '10'
gain19: '10'
gain2: '10'
gain20: '10'
gain21: '10'
gain22: '10'
gain23: '10'
gain24: '10'
gain25: '10'
gain26: '10'
gain27: '10'
gain28: '10'
gain29: '10'
gain3: '10'
gain30: '10'
gain31: '10'
gain4: '10'
gain5: '10'
gain6: '10'
gain7: '10'
gain8: '10'
gain9: '10'
if_gain0: tx_gain
if_gain1: '20'
if_gain10: '20'
if_gain11: '20'
if_gain12: '20'
if_gain13: '20'
if_gain14: '20'
if_gain15: '20'
if_gain16: '20'
if_gain17: '20'
if_gain18: '20'
if_gain19: '20'
if_gain2: '20'
if_gain20: '20'
if_gain21: '20'
if_gain22: '20'
if_gain23: '20'
if_gain24: '20'
if_gain25: '20'
if_gain26: '20'
if_gain27: '20'
if_gain28: '20'
if_gain29: '20'
if_gain3: '20'
if_gain30: '20'
if_gain31: '20'
if_gain4: '20'
if_gain5: '20'
if_gain6: '20'
if_gain7: '20'
if_gain8: '20'
if_gain9: '20'
maxoutbuf: '0'
minoutbuf: '0'
nchan: '1'
num_mboards: '1'
sample_rate: tx_quad_rate
sync: sync
time_source0: ''
time_source1: ''
time_source2: ''
time_source3: ''
time_source4: ''
time_source5: ''
time_source6: ''
time_source7: ''
type: fc32
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [1328, 436.0]
rotation: 0
state: enabled
- name: osmosdr_source_0
id: osmosdr_source
parameters:
affinity: ''
alias: ''
ant0: ''
ant1: ''
ant10: ''
ant11: ''
ant12: ''
ant13: ''
ant14: ''
ant15: ''
ant16: ''
ant17: ''
ant18: ''
ant19: ''
ant2: ''
ant20: ''
ant21: ''
ant22: ''
ant23: ''
ant24: ''
ant25: ''
ant26: ''
ant27: ''
ant28: ''
ant29: ''
ant3: ''
ant30: ''
ant31: ''
ant4: ''
ant5: ''
ant6: ''
ant7: ''
ant8: ''
ant9: ''
args: hackrf=0
bb_gain0: '0'
bb_gain1: '20'
bb_gain10: '20'
bb_gain11: '20'
bb_gain12: '20'
bb_gain13: '20'
bb_gain14: '20'
bb_gain15: '20'
bb_gain16: '20'
bb_gain17: '20'
bb_gain18: '20'
bb_gain19: '20'
bb_gain2: '20'
bb_gain20: '20'
bb_gain21: '20'
bb_gain22: '20'
bb_gain23: '20'
bb_gain24: '20'
bb_gain25: '20'
bb_gain26: '20'
bb_gain27: '20'
bb_gain28: '20'
bb_gain29: '20'
bb_gain3: '20'
bb_gain30: '20'
bb_gain31: '20'
bb_gain4: '20'
bb_gain5: '20'
bb_gain6: '20'
bb_gain7: '20'
bb_gain8: '20'
bb_gain9: '20'
bw0: '0'
bw1: '0'
bw10: '0'
bw11: '0'
bw12: '0'
bw13: '0'
bw14: '0'
bw15: '0'
bw16: '0'
bw17: '0'
bw18: '0'
bw19: '0'
bw2: '0'
bw20: '0'
bw21: '0'
bw22: '0'
bw23: '0'
bw24: '0'
bw25: '0'
bw26: '0'
bw27: '0'
bw28: '0'
bw29: '0'
bw3: '0'
bw30: '0'
bw31: '0'
bw4: '0'
bw5: '0'
bw6: '0'
bw7: '0'
bw8: '0'
bw9: '0'
clock_source0: ''
clock_source1: ''
clock_source2: ''
clock_source3: ''
clock_source4: ''
clock_source5: ''
clock_source6: ''
clock_source7: ''
comment: ''
corr0: '0'
corr1: '0'
corr10: '0'
corr11: '0'
corr12: '0'
corr13: '0'
corr14: '0'
corr15: '0'
corr16: '0'
corr17: '0'
corr18: '0'
corr19: '0'
corr2: '0'
corr20: '0'
corr21: '0'
corr22: '0'
corr23: '0'
corr24: '0'
corr25: '0'
corr26: '0'
corr27: '0'
corr28: '0'
corr29: '0'
corr3: '0'
corr30: '0'
corr31: '0'
corr4: '0'
corr5: '0'
corr6: '0'
corr7: '0'
corr8: '0'
corr9: '0'
dc_offset_mode0: '0'
dc_offset_mode1: '0'
dc_offset_mode10: '0'
dc_offset_mode11: '0'
dc_offset_mode12: '0'
dc_offset_mode13: '0'
dc_offset_mode14: '0'
dc_offset_mode15: '0'
dc_offset_mode16: '0'
dc_offset_mode17: '0'
dc_offset_mode18: '0'
dc_offset_mode19: '0'
dc_offset_mode2: '0'
dc_offset_mode20: '0'
dc_offset_mode21: '0'
dc_offset_mode22: '0'
dc_offset_mode23: '0'
dc_offset_mode24: '0'
dc_offset_mode25: '0'
dc_offset_mode26: '0'
dc_offset_mode27: '0'
dc_offset_mode28: '0'
dc_offset_mode29: '0'
dc_offset_mode3: '0'
dc_offset_mode30: '0'
dc_offset_mode31: '0'
dc_offset_mode4: '0'
dc_offset_mode5: '0'
dc_offset_mode6: '0'
dc_offset_mode7: '0'
dc_offset_mode8: '0'
dc_offset_mode9: '0'
freq0: rx_freq*1000.0
freq1: 100e6
freq10: 100e6
freq11: 100e6
freq12: 100e6
freq13: 100e6
freq14: 100e6
freq15: 100e6
freq16: 100e6
freq17: 100e6
freq18: 100e6
freq19: 100e6
freq2: 100e6
freq20: 100e6
freq21: 100e6
freq22: 100e6
freq23: 100e6
freq24: 100e6
freq25: 100e6
freq26: 100e6
freq27: 100e6
freq28: 100e6
freq29: 100e6
freq3: 100e6
freq30: 100e6
freq31: 100e6
freq4: 100e6
freq5: 100e6
freq6: 100e6
freq7: 100e6
freq8: 100e6
freq9: 100e6
gain0: rx_lna
gain1: '10'
gain10: '10'
gain11: '10'
gain12: '10'
gain13: '10'
gain14: '10'
gain15: '10'
gain16: '10'
gain17: '10'
gain18: '10'
gain19: '10'
gain2: '10'
gain20: '10'
gain21: '10'
gain22: '10'
gain23: '10'
gain24: '10'
gain25: '10'
gain26: '10'
gain27: '10'
gain28: '10'
gain29: '10'
gain3: '10'
gain30: '10'
gain31: '10'
gain4: '10'
gain5: '10'
gain6: '10'
gain7: '10'
gain8: '10'
gain9: '10'
gain_mode0: 'False'
gain_mode1: 'False'
gain_mode10: 'False'
gain_mode11: 'False'
gain_mode12: 'False'
gain_mode13: 'False'
gain_mode14: 'False'
gain_mode15: 'False'
gain_mode16: 'False'
gain_mode17: 'False'
gain_mode18: 'False'
gain_mode19: 'False'
gain_mode2: 'False'
gain_mode20: 'False'
gain_mode21: 'False'
gain_mode22: 'False'
gain_mode23: 'False'
gain_mode24: 'False'
gain_mode25: 'False'
gain_mode26: 'False'
gain_mode27: 'False'
gain_mode28: 'False'
gain_mode29: 'False'
gain_mode3: 'False'
gain_mode30: 'False'
gain_mode31: 'False'
gain_mode4: 'False'
gain_mode5: 'False'
gain_mode6: 'False'
gain_mode7: 'False'
gain_mode8: 'False'
gain_mode9: 'False'
if_gain0: rx_gain
if_gain1: '20'
if_gain10: '20'
if_gain11: '20'
if_gain12: '20'
if_gain13: '20'
if_gain14: '20'
if_gain15: '20'
if_gain16: '20'
if_gain17: '20'
if_gain18: '20'
if_gain19: '20'
if_gain2: '20'
if_gain20: '20'
if_gain21: '20'
if_gain22: '20'
if_gain23: '20'
if_gain24: '20'
if_gain25: '20'
if_gain26: '20'
if_gain27: '20'
if_gain28: '20'
if_gain29: '20'
if_gain3: '20'
if_gain30: '20'
if_gain31: '20'
if_gain4: '20'
if_gain5: '20'
if_gain6: '20'
if_gain7: '20'
if_gain8: '20'
if_gain9: '20'
iq_balance_mode0: '0'
iq_balance_mode1: '0'
iq_balance_mode10: '0'
iq_balance_mode11: '0'
iq_balance_mode12: '0'
iq_balance_mode13: '0'
iq_balance_mode14: '0'
iq_balance_mode15: '0'
iq_balance_mode16: '0'
iq_balance_mode17: '0'
iq_balance_mode18: '0'
iq_balance_mode19: '0'
iq_balance_mode2: '0'
iq_balance_mode20: '0'
iq_balance_mode21: '0'
iq_balance_mode22: '0'
iq_balance_mode23: '0'
iq_balance_mode24: '0'
iq_balance_mode25: '0'
iq_balance_mode26: '0'
iq_balance_mode27: '0'
iq_balance_mode28: '0'
iq_balance_mode29: '0'
iq_balance_mode3: '0'
iq_balance_mode30: '0'
iq_balance_mode31: '0'
iq_balance_mode4: '0'
iq_balance_mode5: '0'
iq_balance_mode6: '0'
iq_balance_mode7: '0'
iq_balance_mode8: '0'
iq_balance_mode9: '0'
maxoutbuf: '0'
minoutbuf: '0'
nchan: '1'
num_mboards: '1'
sample_rate: rx_quad_rate
sync: sync
time_source0: ''
time_source1: ''
time_source2: ''
time_source3: ''
time_source4: ''
time_source5: ''
time_source6: ''
time_source7: ''
type: fc32
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [0, 132.0]
rotation: 0
state: true
- name: qtgui_ledindicator_0
id: qtgui_ledindicator
parameters:
affinity: ''
alias: ''
cellalignment: '1'
comment: ''
gui_hint: 0,1,1,1
label: TX
maxSize: '24'
offColor: gray
onColor: purple
position: '1'
state: rcv_btn
verticalalignment: '1'
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [216, 1092.0]
rotation: 0
state: true
- name: qtgui_waterfall_sink_x_0
id: qtgui_waterfall_sink_x
parameters:
affinity: ''
alias: ''
alpha1: '1.0'
alpha10: '1.0'
alpha2: '1.0'
alpha3: '1.0'
alpha4: '1.0'
alpha5: '1.0'
alpha6: '1.0'
alpha7: '1.0'
alpha8: '1.0'
alpha9: '1.0'
axislabels: 'True'
bw: rx_quad_rate
color1: '0'
color10: '0'
color2: '0'
color3: '0'
color4: '0'
color5: '0'
color6: '0'
color7: '0'
color8: '0'
color9: '0'
comment: ''
fc: '0'
fftsize: '1024'
freqhalf: 'True'
grid: 'True'
gui_hint: ''
int_max: '10'
int_min: '-200'
label1: ''
label10: ''
label2: ''
label3: ''
label4: ''
label5: ''
label6: ''
label7: ''
label8: ''
label9: ''
legend: 'True'
maxoutbuf: '0'
minoutbuf: '0'
name: '""'
nconnections: '1'
showports: 'False'
type: complex
update_time: '0.01'
wintype: window.WIN_BLACKMAN_hARRIS
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [272, 100.0]
rotation: 0
state: enabled
- name: rx_lpf
id: low_pass_filter
parameters:
affinity: ''
alias: ''
beta: '6.76'
comment: ''
cutoff_freq: '5000'
decim: '1'
gain: '1'
interp: '1'
maxoutbuf: '0'
minoutbuf: '0'
samp_rate: rx_quad_rate
type: fir_filter_ccf
width: '2000'
win: window.WIN_HAMMING
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [272, 196.0]
rotation: 0
state: enabled
- name: rx_noisereduce
id: epy_block
parameters:
_source_code: "import numpy as np\nfrom gnuradio import gr\nimport noisereduce\
\ as nr\n\nclass blk(gr.sync_block):\n def __init__(self, sample_rate=96000,\
\ gain=1.0, mute=False):\n gr.sync_block.__init__(\n self,\n\
\ name='Code Block',\n in_sig=[np.float32],\n \
\ out_sig=[np.float32]\n )\n self.sample_rate = sample_rate\n\
\ self.gain = gain\n self.mute = mute\n def work(self, input_items,\
\ output_items):\n # Convert numpy float32 array to bytes and write to\
\ stdin of the C++ program\n #input_bytes = input_items[0].astype(np.float32).tostring()\n\
\ if (self.mute):\n return len(output_items[0])\n output_items[0][:]\
\ = input_items[0] * self.gain\n output_items[0][:] = nr.reduce_noise(y=input_items[0],\
\ sr=self.sample_rate)\n # Convert the output bytes back to a numpy float32\
\ array\n #output_items[0][:] = np.frombuffer(input_bytes, dtype=np.float32)\n\
\ return len(output_items[0])\n"
affinity: ''
alias: ''
comment: ''
gain: rx_vol
maxoutbuf: '0'
minoutbuf: '0'
mute: rcv_btn
sample_rate: rx_samp_rate
states:
_io_cache: ('Code Block', 'blk', [('sample_rate', '96000'), ('gain', '1.0'), ('mute',
'False')], [('0', 'float', 1)], [('0', 'float', 1)], '', ['gain', 'mute', 'sample_rate'])
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [848, 228.0]
rotation: 0
state: enabled
- name: tx_lpf
id: low_pass_filter
parameters:
affinity: ''
alias: ''
beta: '6.76'
comment: ''
cutoff_freq: '5000'
decim: '1'
gain: '1'
interp: '1'
maxoutbuf: '0'
minoutbuf: '0'
samp_rate: tx_quad_rate
type: fir_filter_ccf
width: '2000'
win: window.WIN_HAMMING
states:
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [760, 452.0]
rotation: 0
state: true
- name: tx_noisereduce
id: epy_block
parameters:
_source_code: "import numpy as np\nfrom gnuradio import gr\nimport noisereduce\
\ as nr\n\nclass blk(gr.sync_block):\n def __init__(self, sample_rate=96000,\
\ gain=1.0):\n gr.sync_block.__init__(\n self,\n \
\ name='Code Block',\n in_sig=[np.float32],\n out_sig=[np.float32]\n\
\ )\n self.sample_rate = sample_rate\n self.gain = gain\n\
\ def work(self, input_items, output_items):\n # Convert numpy float32\
\ array to bytes and write to stdin of the C++ program\n #input_bytes\
\ = input_items[0].astype(np.float32).tostring()\n output_items[0][:]\
\ = input_items[0] * self.gain\n output_items[0][:] = nr.reduce_noise(y=input_items[0],\
\ sr=self.sample_rate)\n # Convert the output bytes back to a numpy float32\
\ array\n #output_items[0][:] = np.frombuffer(input_bytes, dtype=np.float32)\n\
\ return len(output_items[0])\n"
affinity: ''
alias: ''
comment: ''
gain: tx_vol
maxoutbuf: '0'
minoutbuf: '0'
sample_rate: tx_samp_rate
states:
_io_cache: ('Code Block', 'blk', [('sample_rate', '96000'), ('gain', '1.0')],
[('0', 'float', 1)], [('0', 'float', 1)], '', ['gain', 'sample_rate'])
bus_sink: false
bus_source: false
bus_structure: null
coordinate: [240, 492.0]
rotation: 0
state: enabled
connections:
- [analog_nbfm_rx_0, '0', rx_noisereduce, '0']
- [analog_nbfm_tx_0, '0', tx_lpf, '0']
- [audio_source_0, '0', tx_noisereduce, '0']
- [blocks_mute_xx_0_0, '0', osmosdr_sink_0, '0']
- [osmosdr_source_0, '0', qtgui_waterfall_sink_x_0, '0']
- [osmosdr_source_0, '0', rx_lpf, '0']
- [rx_lpf, '0', analog_nbfm_rx_0, '0']
- [rx_noisereduce, '0', audio_sink_0, '0']
- [tx_lpf, '0', blocks_mute_xx_0_0, '0']
- [tx_noisereduce, '0', analog_nbfm_tx_0, '0']
metadata:
file_format: 1
grc_version: 3.10.4.0
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