options:
parameters:
author: Martin Braun
category: Custom
cmake_opt: ''
comment: ''
copyright: '2014,2019 Free Software Foundation, Inc.'
description: An example how to use the Codec2 Vocoder
gen_cmake: 'On'
gen_linking: dynamic
generate_options: qt_gui
hier_block_src_path: '.:'
id: loopback_codec2
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: Codec2 Looback Test
window_size: 1280, 1024
states:
coordinate: [0, -1]
rotation: 0
state: enabled
blocks:
- name: play_encoded
id: variable_qtgui_check_box
parameters:
comment: ''
'false': '0'
gui_hint: ''
label: Encode Audio
'true': '1'
type: int
value: 'True'
states:
coordinate: [688, 12.0]
rotation: 0
state: enabled
- name: samp_rate
id: variable
parameters:
comment: ''
value: '48000'
states:
coordinate: [186, 0]
rotation: 0
state: enabled
- name: scale
id: variable
parameters:
comment: ''
value: 2**13
states:
coordinate: [301, -1]
rotation: 0
state: enabled
- name: audio_sink_0
id: audio_sink
parameters:
affinity: ''
alias: ''
comment: ''
device_name: ''
num_inputs: '1'
ok_to_block: 'True'
samp_rate: '48000'
states:
coordinate: [784, 420.0]
rotation: 0
state: enabled
- name: audio_source_0
id: audio_source
parameters:
affinity: ''
alias: ''
comment: ''
device_name: ''
maxoutbuf: '0'
minoutbuf: '0'
num_outputs: '1'
ok_to_block: 'True'
samp_rate: '48000'
states:
coordinate: [0, 116.0]
rotation: 0
state: enabled
- name: blocks_add_xx_0
id: blocks_add_xx
parameters:
affinity: ''
alias: ''
comment: ''
maxoutbuf: '0'
minoutbuf: '0'
num_inputs: '2'
type: float
vlen: '1'
states:
coordinate: [480, 408.0]
rotation: 0
state: true
- name: blocks_float_to_short_0
id: blocks_float_to_short
parameters:
affinity: ''
alias: ''
comment: ''
maxoutbuf: '0'
minoutbuf: '0'
scale: scale
vlen: '1'
states:
coordinate: [416, 116.0]
rotation: 0
state: enabled
- name: blocks_multiply_const_vxx_0
id: blocks_multiply_const_vxx
parameters:
affinity: ''
alias: ''
comment: ''
const: 0.0 if play_encoded else 1.0
maxoutbuf: '0'
minoutbuf: '0'
type: float
vlen: '1'
states:
coordinate: [224, 388.0]
rotation: 0
state: true
- name: blocks_multiply_const_vxx_1
id: blocks_multiply_const_vxx
parameters:
affinity: ''
alias: ''
comment: ''
const: 1.0 if play_encoded else 0.0
maxoutbuf: '0'
minoutbuf: '0'
type: float
vlen: '1'
states:
coordinate: [224, 452.0]
rotation: 0
state: true
- name: blocks_packed_to_unpacked_xx_0
id: blocks_packed_to_unpacked_xx
parameters:
affinity: ''
alias: ''
bits_per_chunk: '1'
comment: ''
endianness: gr.GR_LSB_FIRST
maxoutbuf: '0'
minoutbuf: '0'
num_ports: '1'
type: byte
states:
coordinate: [224, 284.0]
rotation: 0
state: enabled
- name: blocks_short_to_float_0
id: blocks_short_to_float
parameters:
affinity: ''
alias: ''
comment: ''
maxoutbuf: '0'
minoutbuf: '0'
scale: scale
vlen: '1'
states:
coordinate: [735, 361]
rotation: 0
state: enabled
- name: blocks_stream_to_vector_0
id: blocks_stream_to_vector
parameters:
affinity: ''
alias: ''
comment: ''
maxoutbuf: '0'
minoutbuf: '0'
num_items: '48'
type: byte
vlen: '1'
states:
coordinate: [432, 296.0]
rotation: 0
state: enabled
- name: blocks_unpacked_to_packed_xx_0
id: blocks_unpacked_to_packed_xx
parameters:
affinity: ''
alias: ''
bits_per_chunk: '1'
comment: ''
endianness: gr.GR_LSB_FIRST
maxoutbuf: '0'
minoutbuf: '0'
num_ports: '1'
type: byte
states:
coordinate: [694, 199]
rotation: 0
state: enabled
- name: blocks_vector_to_stream_0
id: blocks_vector_to_stream
parameters:
affinity: ''
alias: ''
comment: ''
maxoutbuf: '0'
minoutbuf: '0'
num_items: '48'
type: byte
vlen: '1'
states:
coordinate: [824, 120.0]
rotation: 0
state: enabled
- name: blocks_wavfile_source_0
id: blocks_wavfile_source
parameters:
affinity: ''
alias: ''
comment: ''
file: /home/mbr0wn/12345.wav
maxoutbuf: '0'
minoutbuf: '0'
nchan: '1'
repeat: 'True'
states:
coordinate: [-1, 225]
rotation: 0
state: disabled
- name: qtgui_time_sink_x_0
id: qtgui_time_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'
autoscale: 'False'
axislabels: 'True'
color1: '"blue"'
color10: '"blue"'
color2: '"red"'
color3: '"green"'
color4: '"black"'
color5: '"cyan"'
color6: '"magenta"'
color7: '"yellow"'
color8: '"dark red"'
color9: '"dark green"'
comment: ''
ctrlpanel: 'False'
entags: 'True'
grid: 'False'
gui_hint: ''
label1: ''
label10: ''
label2: ''
label3: ''
label4: ''
label5: ''
label6: ''
label7: ''
label8: ''
label9: ''
legend: 'True'
marker1: '-1'
marker10: '-1'
marker2: '-1'
marker3: '-1'
marker4: '-1'
marker5: '-1'
marker6: '-1'
marker7: '-1'
marker8: '-1'
marker9: '-1'
name: Audio Post-Encoding
nconnections: '1'
size: '1024'
srate: '8000'
stemplot: 'False'
style1: '1'
style10: '1'
style2: '1'
style3: '1'
style4: '1'
style5: '1'
style6: '1'
style7: '1'
style8: '1'
style9: '1'
tr_chan: '0'
tr_delay: '0'
tr_level: '0.0'
tr_mode: qtgui.TRIG_MODE_FREE
tr_slope: qtgui.TRIG_SLOPE_POS
tr_tag: '""'
type: float
update_time: '0.10'
width1: '1'
width10: '1'
width2: '1'
width3: '1'
width4: '1'
width5: '1'
width6: '1'
width7: '1'
width8: '1'
width9: '1'
ylabel: Amplitude
ymax: '1'
ymin: '-1'
yunit: '""'
states:
coordinate: [960, 283]
rotation: 0
state: enabled
- name: qtgui_time_sink_x_0_0
id: qtgui_time_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'
autoscale: 'False'
axislabels: 'True'
color1: '"blue"'
color10: '"blue"'
color2: '"red"'
color3: '"green"'
color4: '"black"'
color5: '"cyan"'
color6: '"magenta"'
color7: '"yellow"'
color8: '"dark red"'
color9: '"dark green"'
comment: ''
ctrlpanel: 'False'
entags: 'True'
grid: 'False'
gui_hint: ''
label1: ''
label10: ''
label2: ''
label3: ''
label4: ''
label5: ''
label6: ''
label7: ''
label8: ''
label9: ''
legend: 'True'
marker1: '-1'
marker10: '-1'
marker2: '-1'
marker3: '-1'
marker4: '-1'
marker5: '-1'
marker6: '-1'
marker7: '-1'
marker8: '-1'
marker9: '-1'
name: Audio Pre-Encoding
nconnections: '1'
size: '1024'
srate: '8000'
stemplot: 'False'
style1: '1'
style10: '1'
style2: '1'
style3: '1'
style4: '1'
style5: '1'
style6: '1'
style7: '1'
style8: '1'
style9: '1'
tr_chan: '0'
tr_delay: '0'
tr_level: '0.0'
tr_mode: qtgui.TRIG_MODE_FREE
tr_slope: qtgui.TRIG_SLOPE_POS
tr_tag: '""'
type: float
update_time: '0.10'
width1: '1'
width10: '1'
width2: '1'
width3: '1'
width4: '1'
width5: '1'
width6: '1'
width7: '1'
width8: '1'
width9: '1'
ylabel: Amplitude
ymax: '1'
ymin: '-1'
yunit: '""'
states:
coordinate: [434, 202]
rotation: 0
state: enabled
- name: rational_resampler_xxx_0
id: rational_resampler_xxx
parameters:
affinity: ''
alias: ''
comment: ''
decim: '6'
fbw: '0.4'
interp: '1'
maxoutbuf: '0'
minoutbuf: '0'
taps: ''
type: fff
states:
coordinate: [208, 92.0]
rotation: 0
state: enabled
- name: rational_resampler_xxx_1
id: rational_resampler_xxx
parameters:
affinity: ''
alias: ''
comment: ''
decim: '1'
fbw: '0.4'
interp: '6'
maxoutbuf: '0'
minoutbuf: '0'
taps: ''
type: fff
states:
coordinate: [568, 396.0]
rotation: 0
state: enabled
- name: virtual_sink_0
id: virtual_sink
parameters:
affinity: ''
alias: ''
comment: ''
stream_id: Encoded Speech
states:
coordinate: [908, 207]
rotation: 0
state: enabled
- name: virtual_sink_1
id: virtual_sink
parameters:
affinity: ''
alias: ''
comment: ''
stream_id: Raw Audio
states:
coordinate: [508, 25]
rotation: 0
state: enabled
- name: virtual_sink_2
id: virtual_sink
parameters:
affinity: ''
alias: ''
comment: ''
stream_id: Decoded Speech
states:
coordinate: [960, 393]
rotation: 0
state: enabled
- name: virtual_source_0
id: virtual_source
parameters:
affinity: ''
alias: ''
comment: ''
maxoutbuf: '0'
minoutbuf: '0'
stream_id: Encoded Speech
states:
coordinate: [0, 292.0]
rotation: 0
state: enabled
- name: virtual_source_1
id: virtual_source
parameters:
affinity: ''
alias: ''
comment: ''
maxoutbuf: '0'
minoutbuf: '0'
stream_id: Raw Audio
states:
coordinate: [-1, 389]
rotation: 0
state: enabled
- name: virtual_source_1_0
id: virtual_source
parameters:
affinity: ''
alias: ''
comment: ''
maxoutbuf: '0'
minoutbuf: '0'
stream_id: Decoded Speech
states:
coordinate: [3, 449]
rotation: 0
state: enabled
- name: vocoder_codec2_decode_ps_0
id: vocoder_codec2_decode_ps
parameters:
affinity: ''
alias: ''
comment: ''
maxoutbuf: '0'
minoutbuf: '0'
mode: codec2.MODE_2400
states:
coordinate: [608, 296.0]
rotation: 0
state: enabled
- name: vocoder_codec2_encode_sp_0
id: vocoder_codec2_encode_sp
parameters:
affinity: ''
alias: ''
comment: ''
maxoutbuf: '0'
minoutbuf: '0'
mode: codec2.MODE_2400
states:
coordinate: [592, 116.0]
rotation: 0
state: enabled
connections:
- [audio_source_0, '0', rational_resampler_xxx_0, '0']
- [blocks_add_xx_0, '0', rational_resampler_xxx_1, '0']
- [blocks_float_to_short_0, '0', vocoder_codec2_encode_sp_0, '0']
- [blocks_multiply_const_vxx_0, '0', blocks_add_xx_0, '0']
- [blocks_multiply_const_vxx_1, '0', blocks_add_xx_0, '1']
- [blocks_packed_to_unpacked_xx_0, '0', blocks_stream_to_vector_0, '0']
- [blocks_short_to_float_0, '0', qtgui_time_sink_x_0, '0']
- [blocks_short_to_float_0, '0', virtual_sink_2, '0']
- [blocks_stream_to_vector_0, '0', vocoder_codec2_decode_ps_0, '0']
- [blocks_unpacked_to_packed_xx_0, '0', virtual_sink_0, '0']
- [blocks_vector_to_stream_0, '0', blocks_unpacked_to_packed_xx_0, '0']
- [blocks_wavfile_source_0, '0', rational_resampler_xxx_0, '0']
- [rational_resampler_xxx_0, '0', blocks_float_to_short_0, '0']
- [rational_resampler_xxx_0, '0', qtgui_time_sink_x_0_0, '0']
- [rational_resampler_xxx_0, '0', virtual_sink_1, '0']
- [rational_resampler_xxx_1, '0', audio_sink_0, '0']
- [virtual_source_0, '0', blocks_packed_to_unpacked_xx_0, '0']
- [virtual_source_1, '0', blocks_multiply_const_vxx_0, '0']
- [virtual_source_1_0, '0', blocks_multiply_const_vxx_1, '0']
- [vocoder_codec2_decode_ps_0, '0', blocks_short_to_float_0, '0']
- [vocoder_codec2_encode_sp_0, '0', blocks_vector_to_stream_0, '0']
metadata:
file_format: 1