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

  1
  
bw 2 360 650000





  
  

  2
  
bw.dat 212 0 12 0 -29 -3562 0 BW noise, signal 0





  
  

  3
  
bw.dat 212 0 12 0 25 -20847 0 BW noise, signal 1