Single train whistle (vintage recording)

[[0,-0.001,-0.002,0.004,0.004,0.005,-0.004,-0.008,-0.008,0.009,-0.009,0.008,-0.012,-0.014,-0.015,-0.012,0.009,0.015,0.013,0.014,0.017,0.011,0.014,-0.015,-0.013,-0.013,0.012,0.011,-0.013,-0.016,-0.01,-0.012,-0.012,-0.013,0.028,-0.013,-0.012,-0.011,-0.016,-0.014,0.012,-0.013,0.011,0.013,-0.017,0.014,0.011,-0.011,-0.013,0.014,0.011,-0.011,-0.013,-0.013,-0.014,0.014,-0.014,-0.013,0.016,-0.013,-0.013,-0.011,0.012,-0.016,-0.012,0.013,-0.011,0.01,-0.011,-0.014,-0.012,0.009,-0.008,0.013,0.012,0.013,-0.011,-0.012,0.012,0.012,0.013,-0.011,0.009,-0.011,-0.013,-0.013,-0.01,-0.011,0.011,-0.014,-0.013,-0.014,-0.01,0.011,0.013,0.014,0.011,0.008,-0.015,-0.015,0.012,-0.013,0.012,-0.012,-0.016,-0.019,0.013,0.013,0.015,-0.018,-0.018,0.015,-0.011,-0.012,0.013,0.017,0.013,-0.012,-0.011,0.014,-0.015,0.01,-0.011,0.011,0.012,-0.014,0.012,0.008,-0.009,0.012,-0.014,-0.012,-0.009,-0.012,-0.012,0.013,-0.013,0.014,-0.01,0.013,-0.014,0.014,-0.012,0.012,0.014,-0.016,0.016,-0.013,0.014,-0.016,-0.017,0.017,-0.019,0.013,-0.017,-0.017,0.014,-0.017,-0.018,-0.027,0.031,0.028,0.024,0.025,0.025,-0.023,0.031,0.026,0.022,-0.026,-0.029,0.029,0.025,0.022,0.024,-0.024,-0.024,0.02,-0.019,0.018,0.019,-0.02,0.015,-0.015,-0.022,-0.018,0.016,0.014,0.012,0.015,0.017,0.017,0.013,0.011,-0.014,-0.013,0.017,-0.014,0.011,-0.013,-0.016,-0.018,-0.016,0.012,-0.017,-0.016,-0.015,-0.015,0.012,0.017,-0.015,-0.015,-0.018,0.015,-0.015,0.02,0.02,0.019,-0.014,0.015,0.02,-0.017,0.014,-0.012,0.012,-0.015,-0.017,-0.012,-0.012,0.011,-0.017,-0.016,0.014,-0.013,0.01,0.015,0.016,0.014,-0.011,-0.011,0.014,-0.013,0.015,0.012,0.011,-0.014,-0.016,0.014,-0.013,0.011,0.012,0.017,-0.015,0.016,0.011,0.014,0.016,-0.017,-0.013,-0.011,-0.029,-0.052,-0.052,-0.047,0.058,-0.056,0.054,0.056,0.058,0.053,-0.053,0.067,-0.07,-0.07,-0.065,-0.048,-0.058,-0.07,-0.072,0.064,-0.051,0.062,0.079,0.064,0.066,-0.045,-0.039,0.042,0.037,0.042,-0.031,0.035,0.029,0.028,0.022,0.02,-0.024,-0.02,0.026,-0.019,0.018,0.018,0.02,-0.02,0.019,0.016,-0.019,0.022,0.019,0.025,-0.024,-0.025,-0.027,-0.024,0.023,-0.028,-0.025,0.03,-0.023,-0.024,-0.028,0.029,-0.032,-0.027,-0.026,-0.022,0.027,0.031,0.041,-0.029,-0.032,-0.042,0.035,-0.04,0.096,-0.142,0.18,0.211,0.173,-0.193,0.179,0.172,-0.178,-0.151,0.152,-0.154,0.206,-0.14,-0.132,-0.177,-0.122,0.086,0.082,0.074,0.068,0.058,-0.059,0.061,0.068,0.058,-0.064,-0.237,0.452,0.581,0.438,-0.413,-0.426,0.385,-0.478,0.479,-0.438,-0.467,0.582,0.561,-0.636,0.664,-0.694,-0.688,-0.712,-0.73,-0.724,-0.671,0.689,-0.706,0.717,-0.713,-0.723,-0.717,0.724,-0.709,0.738,-0.725,-0.71,0.65,0.562,-0.379,0.366,0.37,-0.332,-0.304,-0.346,0.361,-0.299,0.387,0.277,0.246,0.213,0.215,-0.264,0.186,0.237,0.241,0.251,-0.2,-0.2,0.21,-0.24,0.203,-0.195,-0.232,-0.21,-0.228,0.298,-0.24,0.259,0.213,-0.203,-0.247,-0.169,-0.139,0.143,-0.153,0.157,0.164,0.163,0.189,-0.19,0.206,-0.232,0.361,0.356,0.361,-0.245,-0.213,-0.191,-0.342,-0.273,-0.205,-0.254,0.234,-0.224,0.309,-0.275,0.285,-0.316,-0.398,-0.275,-0.181,-0.179,0.152,-0.133,0.092,0.131,-0.078,-0.08,0.079,0.114,-0.137,-0.135,-0.123,0.095,-0.139,0.142,0.175,-0.143,-0.111,0.157,-0.125,-0.093,0.127,0.125,0.107,-0.152,-0.14,0.093,0.088,0.057,0.061,-0.064,-0.068,0.073,0.054,-0.062,-0.049,0.048,-0.053,0.048,0.047,-0.047,0.043,0.035,0.042,0.048,0.039,-0.034,0.038,0.036,-0.027,0.032,0.034,-0.028,0.024,0.026,0.026,-0.026,0.018,0.019,0.024,0.021,-0.021,0.02,0.017,0.014,-0.022,-0.016,0.021,-0.014,0.018,0.02,-0.018,0.018,0.016,-0.011,-0.017,0.014,0.015,0.015,-0.014,0.016,0.022,0.018,0.015,0.015,-0.017,0.02,-0.016,-0.016,-0.012,0.017,0.019,0.018,-0.017,-0.014,0.014,-0.02,-0.018,-0.017,0.012,-0.015,-0.017,0.019,-0.014,0.01,-0.016,-0.02,0.018,-0.016,-0.013,-0.014,0.02,-0.02,-0.014,0.014,0.013,0.018,-0.015,0.02,-0.012,0.015,0.021,0.018,0.015,0.015,-0.014,-0.02,-0.018,-0.012,0.014,0.013,0.018,-0.019,-0.015,-0.011,-0.01,-0.011,-0.01,0.009,0.009,0.01,-0.009,-0.009,-0.009,0.008,0.008,0.008,-0.009,0.011,0.009,0.009,-0.009,-0.008,0.008,0.008,-0.007,-0.008,-0.007,-0.009,0.009,-0.008,-0.007,-0.007,-0.008,0.007,0.008,0.008,-0.008,-0.009,-0.008,0.01,0.007,-0.008,0.009,0.008,-0.008,-0.009,-0.009,-0.01,-0.01,-0.013,-0.009,0.012,-0.014,0.011,0.011,0.01,-0.01,-0.01,-0.013,-0.008,0.01,0.011,0.01,0.01,0.013,0.013,0.012,0.013,0.012,0.01,-0.013,-0.013,0.016,-0.015,0.014,0.012,0.015,-0.012,-0.015,-0.015,-0.018,-0.012,-0.014,0.012,-0.015,-0.016,-0.012,-0.014,-0.013,0.012,-0.013,-0.011,0.012,0.013,-0.013,0.014,-0.013,0.013,0.014,0.012,0.017,0.016,0.018,0.02,0.021,-0.014,-0.017,0.011,0.016,0.013,0.013,-0.016,0.014,-0.018,0.033,0.022,-0.026,-0.024,0.023,0.028,0.024,-0.03,-0.027,0.031,0.026,0.023,0.023,-0.025,-0.023,-0.025,0.028,0.023,0.035,-0.028,0.03,-0.028,0.032,0.026,-0.024,-0.032,0.026,0.025,0.026,-0.026,-0.027,0.024,-0.019,0.018,0.026,-0.027,-0.018,0.024,-0.02,-0.018,0.019,0.019,-0.019,-0.018,-0.015,0.022,-0.017,-0.024,0.016,0.019,0.013,0.017,0.013,0.023,0.013,0.017,0.015,0.015,-0.013,0.017,-0.015,0.018,0.018,0.017,0.016,-0.018,-0.014,-0.015,0.014,0.012,0.016,0.009,0.015,-0.018,-0.013,-0.015,0.016,0.012,-0.016,-0.012,0.016,0.019,0.015,-0.014,-0.017,-0.012,-0.013,-0.014,-0.014,0.015,-0.014,-0.012,-0.013,0.013,0.013,-0.013,-0.013,-0.016,0.014,-0.012,-0.014,-0.015,0.018,-0.014,0.015,-0.014,0.018,0.016,-0.015,0.013,-0.017,0.014,0.017,0.014,-0.014,0.014,-0.022,0.02,-0.015,0.013,-0.012,-0.014,-0.015,-0.016,-0.012,0.014,-0.012,-0.013,0.012,-0.012,0.013,0.014,0.012,-0.013,-0.012,0.014,0.012,0.015,-0.015,0.014,-0.013,-0.015,-0.011,0.015,0.017,-0.021,0.015,-0.02,-0.016,0.017,-0.016,0.017,0.014,0.016,-0.016,0.021,0.019,0.02,0.017,0.018,0.021,0.02,0.017,0.021,0.026,0.02,0.019,0.019,-0.021,0.016,-0.015,-0.02,0.02,-0.023,-0.021,0.023,0.023,-0.02,0.026,-0.031,-0.026,0.023,0.03,-0.031,-0.025,-0.029,0.033,0.028,0.028,-0.033,0.026,-0.031,0.03,-0.027,-0.039,-0.034,0.035,-0.041,-0.039,0.032,-0.05,0.026,0.039,-0.037,-0.034,0.035,0.031,0.034,0.037,-0.038,0.036,0.036,-0.028,0.043,-0.03,0.032,0.039,0.039,-0.033,0.039,-0.042,-0.045,-0.043,-0.07,0.069,-0.082,0.079,-0.073,0.066,-0.059,-0.051,0.052,0.058,-0.05,0.037,0.041,-0.033,0.034,-0.038,0.033,-0.031,0.026,-0.03,-0.03,-0.023,-0.02,-0.021,0.023,-0.024,-0.019,-0.019,-0.024,-0.02,0.02,-0.016,0.013,-0.016,-0.018,0.025,-0.02,-0.022,-0.018,0.021,0.02,0.016,0.02,-0.021,-0.018,0.014,-0.017,0.014,-0.017,-0.015,-0.016,0.016,0.019,0.018,0.024,-0.015,0.016,-0.016,-0.02,-0.019,0.017,-0.011,-0.013,-0.011,0.007,-0.009,0.005,-0.005,-0.004,0.003,-0.002,-0.002,-0.001,0]]