a b/mit-bih-noise-stress-test-database-1.0.0/119e12.hea 

  1
  
119e12 2 360 650000





  
  

  2
  
119e12.dat 212 200(1024) 11 0 -199 3821 0 MLII





  
  

  3
  
119e12.dat 212 200(1024) 11 0 -94 -12246 0 V1





  
  

  4
  
# Created by `nst' from records 119 and em (SNR = 12 dB)