AQuA:
    mode:       files
    # src:      file test_audio/jane_8k.wav
    # tstf:     test_audio/jane_8k_40.wav
    avlp:       off
    smtnrm:     off
    decor:      off
    mprio:      off
    acr:        auto
    npnt:       auto
    voip:       on
    enorm:      rms
    g711:       off
    spfrcor:    on
    grad:       off
    tmc:        on
    miter:      1
    ratem:      "%%m"
    trim:       "r 15"
    output:     json