Convert a Praat Formant object to a dataframe.
Examples
formant_to_df(system.file("extdata", "e.Formant", package = "phonfieldwork"))
#> formant frequency bandwidth time_start time_end
#> 1 1 456.0268 356.83720 0.2478191 0.2478191
#> 2 2 1583.7510 92.47515 0.2478191 0.2478191
#> 3 3 2687.2664 377.02274 0.2478191 0.2478191
#> 4 4 3242.8282 221.95285 0.2478191 0.2478191
#> 5 5 4212.0833 512.11404 0.2478191 0.2478191
#> 6 6 5129.2293 513.73699 0.2478191 0.2478191
#> 7 7 6496.0495 350.42612 0.2478191 0.2478191
#> 8 1 522.7598 174.96921 0.2542411 0.2542411
#> 9 2 1592.1024 113.21033 0.2542411 0.2542411
#> 10 3 2787.4831 447.27529 0.2542411 0.2542411
#> 11 4 3218.6576 296.44401 0.2542411 0.2542411
#> 12 5 3965.7476 951.47632 0.2542411 0.2542411
#> 13 6 5018.5024 392.28335 0.2542411 0.2542411
#> 14 7 6506.9328 222.75353 0.2542411 0.2542411
#> 15 1 531.1308 181.11008 0.2606630 0.2606630
#> 16 2 1492.8235 202.92326 0.2606630 0.2606630
#> 17 3 2646.6108 302.67268 0.2606630 0.2606630
#> 18 4 3272.2169 130.88637 0.2606630 0.2606630
#> 19 5 4185.6739 839.46044 0.2606630 0.2606630
#> 20 6 4977.5900 710.81435 0.2606630 0.2606630
#> 21 7 6463.8272 289.65734 0.2606630 0.2606630
#> 22 1 511.1859 170.07839 0.2670849 0.2670849
#> 23 2 1430.3861 259.55836 0.2670849 0.2670849
#> 24 3 2616.7040 211.62401 0.2670849 0.2670849
#> 25 4 3280.1406 129.07408 0.2670849 0.2670849
#> 26 5 4280.4858 418.03457 0.2670849 0.2670849
#> 27 6 5210.2389 2218.61660 0.2670849 0.2670849
#> 28 7 6337.1627 298.77994 0.2670849 0.2670849
#> 29 1 500.3578 146.73969 0.2735069 0.2735069
#> 30 2 1426.6343 270.73676 0.2735069 0.2735069
#> 31 3 2654.6770 227.60474 0.2735069 0.2735069
#> 32 4 3221.3294 158.38873 0.2735069 0.2735069
#> 33 5 4340.5421 795.45955 0.2735069 0.2735069
#> 34 6 4886.8379 1613.24397 0.2735069 0.2735069
#> 35 7 6284.0367 263.95620 0.2735069 0.2735069
#> 36 1 489.8424 131.15756 0.2799288 0.2799288
#> 37 2 1438.7198 261.85357 0.2799288 0.2799288
#> 38 3 2701.7167 212.54262 0.2799288 0.2799288
#> 39 4 3239.2142 106.68104 0.2799288 0.2799288
#> 40 5 4432.5132 2548.16259 0.2799288 0.2799288
#> 41 6 4707.3121 807.80303 0.2799288 0.2799288
#> 42 7 6352.9772 325.26443 0.2799288 0.2799288
#> 43 1 476.4390 104.32876 0.2863507 0.2863507
#> 44 2 1449.1246 264.97453 0.2863507 0.2863507
#> 45 3 2720.2632 164.16018 0.2863507 0.2863507
#> 46 4 3244.6550 78.75373 0.2863507 0.2863507
#> 47 5 4556.6008 573.78026 0.2863507 0.2863507
#> 48 6 6259.9379 138.75210 0.2863507 0.2863507
#> 49 1 467.3317 119.70250 0.2927727 0.2927727
#> 50 2 1477.2665 174.08099 0.2927727 0.2927727
#> 51 3 2749.5708 215.25216 0.2927727 0.2927727
#> 52 4 3268.0917 97.76517 0.2927727 0.2927727
#> 53 5 4539.7366 395.14604 0.2927727 0.2927727
#> 54 6 6250.5205 206.39197 0.2927727 0.2927727
#> 55 7 6750.1000 1878.77844 0.2927727 0.2927727
#> 56 1 470.2906 137.89937 0.2991946 0.2991946
#> 57 2 1482.8939 141.30470 0.2991946 0.2991946
#> 58 3 2784.1336 277.80092 0.2991946 0.2991946
#> 59 4 3292.8608 137.63712 0.2991946 0.2991946
#> 60 5 4527.1785 364.10680 0.2991946 0.2991946
#> 61 6 6170.4039 196.57693 0.2991946 0.2991946
#> 62 1 452.8574 214.72420 0.3056165 0.3056165
#> 63 2 1435.9957 181.66884 0.3056165 0.3056165
#> 64 3 2764.0445 236.85698 0.3056165 0.3056165
#> 65 4 3285.4198 195.12971 0.3056165 0.3056165
#> 66 5 4525.2731 344.93079 0.3056165 0.3056165
#> 67 6 6142.8837 146.28380 0.3056165 0.3056165
#> 68 1 428.1779 176.32680 0.3120385 0.3120385
#> 69 2 1464.8001 185.09887 0.3120385 0.3120385
#> 70 3 2780.3144 337.45544 0.3120385 0.3120385
#> 71 4 3244.5271 328.84809 0.3120385 0.3120385
#> 72 5 4526.5693 512.58018 0.3120385 0.3120385
#> 73 6 5088.9818 5195.03664 0.3120385 0.3120385
#> 74 7 6139.5716 186.89316 0.3120385 0.3120385
#> 75 1 425.7703 150.44303 0.3184604 0.3184604
#> 76 2 1480.5255 134.16292 0.3184604 0.3184604
#> 77 3 2843.8933 217.30595 0.3184604 0.3184604
#> 78 4 3368.6585 338.20796 0.3184604 0.3184604
#> 79 5 4475.9374 558.85437 0.3184604 0.3184604
#> 80 6 6134.3343 151.63410 0.3184604 0.3184604
#> 81 1 445.0216 118.89188 0.3248823 0.3248823
#> 82 2 1465.8695 156.99282 0.3248823 0.3248823
#> 83 3 2857.5524 244.92819 0.3248823 0.3248823
#> 84 4 3371.0477 359.37752 0.3248823 0.3248823
#> 85 5 4374.5704 1049.47654 0.3248823 0.3248823
#> 86 6 4859.9565 2888.25328 0.3248823 0.3248823
#> 87 7 6115.9732 181.46981 0.3248823 0.3248823
#> 88 1 433.5071 117.34682 0.3313043 0.3313043
#> 89 2 1464.1320 200.92948 0.3313043 0.3313043
#> 90 3 2737.4133 208.66602 0.3313043 0.3313043
#> 91 4 3373.3562 226.49617 0.3313043 0.3313043
#> 92 5 4229.8319 1645.39551 0.3313043 0.3313043
#> 93 6 4941.6725 1310.26891 0.3313043 0.3313043
#> 94 7 6160.4052 285.36263 0.3313043 0.3313043
#> 95 1 414.3959 107.44819 0.3377262 0.3377262
#> 96 2 1441.7589 224.56791 0.3377262 0.3377262
#> 97 3 2698.0740 144.96627 0.3377262 0.3377262
#> 98 4 3342.8257 260.31623 0.3377262 0.3377262
#> 99 5 4192.0441 949.59798 0.3377262 0.3377262
#> 100 6 4966.7278 1142.49640 0.3377262 0.3377262
#> 101 7 6192.7764 225.99011 0.3377262 0.3377262
#> 102 1 392.5755 107.50502 0.3441482 0.3441482
#> 103 2 1446.3343 315.14269 0.3441482 0.3441482
#> 104 3 2763.4804 201.67838 0.3441482 0.3441482
#> 105 4 3363.2284 319.89317 0.3441482 0.3441482
#> 106 5 4322.1800 551.87898 0.3441482 0.3441482
#> 107 6 5077.1668 2450.86003 0.3441482 0.3441482
#> 108 7 6241.3305 380.74447 0.3441482 0.3441482
#> 109 1 393.2230 91.09265 0.3505701 0.3505701
#> 110 2 1539.7121 231.89243 0.3505701 0.3505701
#> 111 3 2892.7441 287.02347 0.3505701 0.3505701
#> 112 4 3437.8559 228.46097 0.3505701 0.3505701
#> 113 5 4383.7100 487.02178 0.3505701 0.3505701
#> 114 6 5603.9939 1011.90070 0.3505701 0.3505701
#> 115 7 6654.1322 156.84038 0.3505701 0.3505701
#> 116 1 393.6136 85.08050 0.3569920 0.3569920
#> 117 2 1565.0518 181.54575 0.3569920 0.3569920
#> 118 3 2909.1611 267.15310 0.3569920 0.3569920
#> 119 4 3463.2648 174.42217 0.3569920 0.3569920
#> 120 5 4333.6095 404.89308 0.3569920 0.3569920
#> 121 6 5621.3771 559.38415 0.3569920 0.3569920
#> 122 7 6659.4945 134.53449 0.3569920 0.3569920
#> 123 1 379.5654 67.69051 0.3634140 0.3634140
#> 124 2 1552.0700 73.68393 0.3634140 0.3634140
#> 125 3 2893.0109 224.06831 0.3634140 0.3634140
#> 126 4 3481.4178 129.57149 0.3634140 0.3634140
#> 127 5 4352.7835 397.70896 0.3634140 0.3634140
#> 128 6 5480.6828 901.54840 0.3634140 0.3634140
#> 129 7 6609.3069 197.29315 0.3634140 0.3634140
#> 130 1 393.6533 98.12569 0.3698359 0.3698359
#> 131 2 1535.5246 74.67140 0.3698359 0.3698359
#> 132 3 2841.4730 197.27752 0.3698359 0.3698359
#> 133 4 3486.9978 180.04697 0.3698359 0.3698359
#> 134 5 4353.7219 355.14842 0.3698359 0.3698359
#> 135 6 5526.4353 631.32473 0.3698359 0.3698359
#> 136 7 6542.9580 288.02210 0.3698359 0.3698359
#> 137 1 391.1719 148.46267 0.3762578 0.3762578
#> 138 2 1533.3791 98.01436 0.3762578 0.3762578
#> 139 3 2784.9684 200.97864 0.3762578 0.3762578
#> 140 4 3519.0867 264.90113 0.3762578 0.3762578
#> 141 5 4343.8521 399.54397 0.3762578 0.3762578
#> 142 6 5740.3169 926.08643 0.3762578 0.3762578
#> 143 7 6792.2428 1246.06613 0.3762578 0.3762578
#> 144 1 393.7035 209.47029 0.3826798 0.3826798
#> 145 2 1541.4901 115.60825 0.3826798 0.3826798
#> 146 3 2777.1712 153.90280 0.3826798 0.3826798
#> 147 4 3559.4549 146.02987 0.3826798 0.3826798
#> 148 5 4328.2190 296.28382 0.3826798 0.3826798
#> 149 6 5793.0453 511.95984 0.3826798 0.3826798
#> 150 7 6652.9152 453.38843 0.3826798 0.3826798
#> 151 1 424.7943 186.02259 0.3891017 0.3891017
#> 152 2 1556.4511 89.78829 0.3891017 0.3891017
#> 153 3 2773.3249 85.81939 0.3891017 0.3891017
#> 154 4 3584.3118 110.12492 0.3891017 0.3891017
#> 155 5 4421.5590 324.61037 0.3891017 0.3891017
#> 156 6 5848.1359 539.88807 0.3891017 0.3891017
#> 157 7 6553.5071 428.12789 0.3891017 0.3891017
#> 158 1 385.0029 91.53917 0.3955236 0.3955236
#> 159 2 1558.1007 202.24438 0.3955236 0.3955236
#> 160 3 2786.7076 124.34035 0.3955236 0.3955236
#> 161 4 3663.0912 238.35852 0.3955236 0.3955236
#> 162 5 4520.1931 424.32643 0.3955236 0.3955236
#> 163 6 5899.4723 631.33952 0.3955236 0.3955236
#> 164 7 6569.8083 759.67946 0.3955236 0.3955236