options:
  parameters:
    author: A. Maitland Bottoms
    category: Custom
    cmake_opt: ''
    comment: ''
    copyright: 2016,2019 Free Software Foundation, Inc.
    description: A FreeDV Modulator
    gen_cmake: 'On'
    gen_linking: dynamic
    generate_options: qt_gui
    hier_block_src_path: '.:'
    id: grfreedv
    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: GNU Radio FreeDV
    window_size: ''
  states:
    coordinate: [8, 8]
    rotation: 0
    state: enabled

blocks:
- name: samp_rate
  id: variable
  parameters:
    comment: ''
    value: '8000'
  states:
    coordinate: [8, 160]
    rotation: 0
    state: enabled
- name: squelch
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: ''
    label: squelch slider
    min_len: '256'
    orient: Qt.Horizontal
    rangeType: float
    start: '-127'
    step: '1'
    stop: '128'
    value: '-120'
    widget: counter_slider
  states:
    coordinate: [232, 16]
    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: samp_rate
  states:
    coordinate: [1152, 220.0]
    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: [8, 300.0]
    rotation: 0
    state: enabled
- name: blocks_float_to_short_0
  id: blocks_float_to_short
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    scale: '32768'
    vlen: '1'
  states:
    coordinate: [456, 220.0]
    rotation: 0
    state: enabled
- name: blocks_short_to_float_0
  id: blocks_short_to_float
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    scale: '32768'
    vlen: '1'
  states:
    coordinate: [1008, 220.0]
    rotation: 0
    state: enabled
- name: blocks_wavfile_source_0
  id: blocks_wavfile_source
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    file: /usr/share/codec2/wav/all.wav
    maxoutbuf: '0'
    minoutbuf: '0'
    nchan: '1'
    repeat: 'True'
  states:
    coordinate: [120, 164.0]
    rotation: 0
    state: disabled
- name: rational_resampler_xxx_0
  id: rational_resampler_xxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    decim: '6'
    fbw: '0'
    interp: '1'
    maxoutbuf: '0'
    minoutbuf: '0'
    taps: ''
    type: fff
  states:
    coordinate: [232, 276.0]
    rotation: 0
    state: enabled
- name: vocoder_freedv_rx_ss_0
  id: vocoder_freedv_rx_ss
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    interleave_frames: '1'
    maxoutbuf: '0'
    minoutbuf: '0'
    mode: freedv_api.MODE_1600
    squelch_enable: 'True'
    squelch_thresh: squelch
  states:
    coordinate: [816, 196.0]
    rotation: 0
    state: enabled
- name: vocoder_freedv_tx_ss_0
  id: vocoder_freedv_tx_ss
  parameters:
    affinity: ''
    alias: ''
    clip_val: 'False'
    comment: ''
    interleave_frames: '1'
    maxoutbuf: '0'
    minoutbuf: '0'
    mode: freedv_api.MODE_1600
    tx_bpf_val: 'True'
    txt_msg: '''GNU Radio'''
  states:
    coordinate: [608, 188.0]
    rotation: 0
    state: enabled

connections:
- [audio_source_0, '0', rational_resampler_xxx_0, '0']
- [blocks_float_to_short_0, '0', vocoder_freedv_tx_ss_0, '0']
- [blocks_short_to_float_0, '0', audio_sink_0, '0']
- [blocks_wavfile_source_0, '0', blocks_float_to_short_0, '0']
- [rational_resampler_xxx_0, '0', blocks_float_to_short_0, '0']
- [vocoder_freedv_rx_ss_0, '0', blocks_short_to_float_0, '0']
- [vocoder_freedv_tx_ss_0, '0', vocoder_freedv_rx_ss_0, '0']

metadata:
  file_format: 1